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A 100 Guaranteed Heating and AC cleaned the indoor coil and vacuumed multiple drain pans in Woodland, California. Technicians also cleared a clogged condensation line to stop water from leaking into the secondary pan. The HVAC system is now operating within proper specifications.

A 100 Guaranteed Heating and AC inspected a faulty outdoor breaker and a non-working thermostat with one heating and one cooling stage in Fairfield, California. The technician identified the breaker as stuck and non-functional, requiring service from either an electrician or a coordinated visit with one for repair.

A 100 Guaranteed Heating and AC completed a summer readiness HVAC check in Napa, California. The technician confirmed all systems function properly with no issues found. This service ensures the air conditioning unit operates efficiently for warm weather conditions.

A 100 Guaranteed Heating and AC inspected two mini split AC units in Dixon, California. One unit showed a cracked copper line and low pressure, possibly needing warranty service or replacement. The second unit required minor cleaning. Twelve other units were confirmed operational. The technician documented all findings and assessed next steps for repair.

A 100 Guaranteed Heating and AC completed a full inspection of two HVAC units in Fairfield, California. Technicians confirmed proper refrigerant levels, working compressors, balanced temperature splits, and operational motors. Both systems passed all performance checks and are ready for summer use.

A technician inspected an air conditioning unit in Fairfield, California. They found rising fan motor temperatures, checked amp draws, confirmed compressor function, replaced the filter, and assessed refrigerant levels. They advised the homeowner about possible future issues related to the fan motor and refrigerant levels but confirmed the system is currently functioning.

A 100 Guaranteed Heating and AC inspected an HVAC system in Fairfield, California. The technician confirmed the compressor and coils function properly but identified a condenser fan motor drawing excess amps. The motor requires replacement with a 14-inch, 1100 RPM unit to prevent further issues and maintain system performance.

An HVAC technician in Vacaville, California inspected an air conditioner and confirmed the compressor was functioning properly. The fan motor showed signs of nearing full load amperage. The technician advised the homeowner that if performance drops, the motor may require replacement.

A 100 Guaranteed Heating and AC completed an HVAC system inspection in Vacaville, California. Technicians checked the compressor, fan motor, split system, pressures, filters, and coils. All components were in good working condition with no visible issues reported during the service.

A technician from A 100 Guaranteed Heating and AC completed a summer readiness check on an HVAC system in Vallejo, California. The work included checking the compressor, motors, and furnace, confirming proper operation. The technician also replaced the air filter and verified the system was functioning efficiently.

A technician in Vacaville, California replaced a failed AC contactor. The contactor controls high-voltage power inside the unit and can wear out over time. Replacing it restored cooling and protected system components from electrical issues caused by faulty switching.

A 100 Guaranteed Heating and AC inspected an HVAC system in Vacaville, California. Technicians found the compressor and refrigerant levels operating normally. They identified a failing condenser fan motor and recommended replacement with a 14-go 825 RPM motor. The unit continues to run but may overheat if the motor is not replaced.

A 100 Guaranteed Heating and AC inspected a 2,500 sq ft home in Vacaville, California. Technicians identified crushed and kinked ductwork limiting airflow in multiple rooms. They evaluated the zoning system with 14 barrel dampers and confirmed two return vents. The team recommended duct adjustments to improve airflow, while confirming the HVAC system functioned properly.

A 100 Guaranteed Heating and AC inspected heating and cooling systems in Vallejo, California. Both units functioned properly during a cold weather check. The homeowner requested future service to improve upstairs cooling. Technicians advised returning during warmer conditions to better evaluate airflow concerns and recommend possible adjustments.

A 100 Guaranteed Heating and AC visited a home in Vallejo, California to evaluate the addition of a central air conditioning system to an existing furnace. The homeowner requested installation details for review with the HOA. A follow-up meeting was scheduled to discuss system specifications and installation options.

A 100 Guaranteed Heating and AC inspected an HVAC unit in Vallejo, California. The technician identified a failed condenser fan motor and capacitor. Both components are outside acceptable limits. A repair estimate will follow. Once replaced, the technician can measure refrigerant levels accurately to ensure system functionality.

A 100 Guaranteed Heating and AC inspected the HVAC system in a 3- to 4-year-old home in Dixon, California. Technicians confirmed the system was operating properly with no issues found. The visit verified that heating and cooling components remained in good working condition following recent construction.

A 100 Guaranteed Heating and AC installed a new 95% efficiency Coleman HVAC system in Vacaville, California. The installation provides improved heating and cooling performance while reducing energy use. This project supports consistent indoor comfort with high-efficiency equipment.

A 100 Guaranteed Heating and AC inspected a Rheem HVAC system in Fairfield, California. The technician identified refrigerant leaks at the Schrader cores and king valve caps. The service involved recommending new Schrader cores, sealing valve caps, and adding R-410A refrigerant. An isolation test was advised if future leaks continue.

A 100 Guaranteed Heating and AC inspected a two-year-old American Standard HVAC system in Vacaville, California. The technician confirmed the unit showed no issues and remains fully operational. This check ensures the system performs efficiently and maintains indoor comfort year-round.

A 100 Guaranteed Heating and AC replaced a 95% Payne furnace in a residential home. The team completed the heating system replacement efficiently and on-site. This service took place in St. Helena, California.

A 100 Guaranteed Heating and AC completed a full summer-readiness inspection for an air conditioning unit in Fairfield, California. Technicians checked compressor and motor amps, confirmed a clean filter and outdoor coils, and verified proper temperature split. The unit passed all checks and is ready for summer operation.

A technician inspected an HVAC system in Vacaville, California, and found performance issues during a routine tune-up. The system showed abnormal pressure readings and low temperature differential, suggesting a faulty metering device in the evaporator coil. A follow-up visit was scheduled to complete further diagnostics.

A 100 Guaranteed Heating and AC sealed a king valve cap leak and inspected refrigerant levels, compressor, and fan motors in Fairfield, California. Technicians recommended sealing leaking plenum ductwork and repairing a damaged lineset with UV tape and a UV sleeve to reduce air loss and protect components.

A technician inspected an HVAC system in Woodland, California. The unit was working but required a new thermostat. The outdoor motor showed signs of failure due to restricted airflow from blocked coils, which also affected the compressor's ability to stay cool. Prompt replacement of both components was recommended.

A 100 Guaranteed Heating and AC replaced a faulty condenser fan motor in Woodland, California. The technician reset the condenser for temporary function and advised replacing two bedroom vents with 6x12 models to improve airflow, as the current side-dispersing vents reduce air delivery.

A 100 Guaranteed Heating and AC installed a new hard start and capacitor for an air conditioning unit in Woodland, California. The technician advised a deep coil cleaning due to clogged filters and checked system pressures. Cooling resumed, but a possible metering device clog may need further attention after cleaning.

A 100 Guaranteed Heating and AC installed a new hard start and capacitor for an HVAC system in Dixon, California. The technician recommended a deep coil cleaning due to a dirty filter and abnormal pressure readings. The system is currently cooling, but a clogged metering device may require further inspection after cleaning.

A technician inspected a Payne AC system in Davis, California. They confirmed good compressor performance and clean coils. The ductwork is undersized for the 2,700-square-foot home. The master bedroom receives limited airflow. The outdoor fan motor is failing and requires replacement to maintain system function.

Technicians in Dixon, California performed refrigerant testing on a Goodman AC unit. They repaired king valve leaks, cleaned a congested evaporator coil, replaced a faulty capacitor, and installed a hard start relay. They prepared the system for refrigerant recharge with R-410A after confirming pressure hold and assessing the condenser fan motor under low load.

A 100 Guaranteed Heating and AC inspected a Goodman HVAC unit in Woodland, California. The technician identified a failing condenser fan motor that overheats within minutes. While the rest of the system functions normally, extended use in warmer weather may cause the motor to fail due to its 14-hour, 1100 RPM runtime.

A 100 Guaranteed Heating and AC inspected a Carrier heating system in Vallejo, California. The technician identified a cracked heat exchanger caused by the absence of a dump zone in the zoning system. The project included enlarging zone dampers and ducts and installing a functional dump zone to correct airflow issues.

A 100 Guaranteed Heating and AC inspected a Lennox HVAC system in Woodland, California. The technician confirmed the system was functioning properly with no issues. The service ensured the equipment continues to run efficiently and safely for the property.

A 100 Guaranteed Heating and AC inspected a Lennox split system in Davis, California. The team cleaned the coils and filter, checked refrigerant conditions, and found the condenser fan motor drawing excess amperage. They recommended replacing the motor due to performance concerns despite the unit meeting most specifications.

A 100 Guaranteed Heating and AC replaced a failing outdoor fan motor and installed a new filter on an aging HVAC unit in Vacaville, California. The team also replaced exposed high-voltage lines with a sealed whip to improve safety and system reliability.

A 100 Guaranteed Heating and AC inspected a 10-year-old Trane unit in Martinez, California. The technician confirmed the system runs well and shows no visible damage. The air conditioning is fully prepared for summer use.

A 100 Guaranteed Heating and AC completed a summer readiness check for an HVAC system in Isleton, California. The technician inspected the unit and confirmed all components are functioning properly. No issues were found. The system is fully prepared for continued use during high temperatures.

An HVAC technician in Vallejo, California inspected a cooling system and confirmed it is operating properly. The condenser fan motor is running at maximum rated load amps but remains within safe limits. The technician recommends monitoring the motor and scheduling a filter cleaning reminder in three months to maintain system performance.

A technician inspected an air conditioning unit in Vacaville, California. The refrigerant levels, compressor, and condenser fan motor were working correctly. The indoor blower showed higher than normal amperage but no functional issues. Temperatures were within range. The system was confirmed to be operating properly and ready for continued summer use.

A 100 Guaranteed Heating and AC inspected an AC system in Vacaville, California. The filters were clean, refrigerant was at proper levels, and compressor function was normal. The condenser fan motor showed increased amperage and heat. The system will need a 1075 RPM, 1.5 HP condenser fan motor replacement soon to maintain cooling performance.

A 100 Guaranteed Heating and AC installed a new control board on a Coleman HVAC system in Fairfield, California. The technician completed all necessary checks and confirmed the system functions properly. This service restored full operation to the heating and cooling unit.

A 100 Guaranteed Heating and AC replaced a failed thermostat with a new Honeywell unit in Fairfield, California. The technician confirmed proper system operation after installation. This service restored accurate temperature control and supported efficient HVAC performance.

A technician charged a Carrier HVAC system with 2.36 pounds of R-410A refrigerant. They inspected all accessible fittings for leaks using soap bubbles and confirmed no visible leaks. The system runs properly after service. This HVAC maintenance was completed in Martinez, California.

A 100 Guaranteed Heating and AC replaced a failing condenser fan motor on an HVAC unit in Vacaville, California. The team diagnosed motor failure and possible refrigerant issues. They cleaned the outdoor coils and assessed compressor performance, resolving intermittent issues and restoring system function while recommending future component evaluation.

A 100 Guaranteed Heating and AC repaired a kinked vapor line and replaced a failing condenser fan motor to restore proper refrigerant flow and cooling. The project took place in Fairfield, California. The technician also noted limited airflow due to an undersized return, impacting system performance.

Technicians replaced 95% of a damaged furnace after finding a crack in the heat exchanger. This heating system repair took place in St. Helena, California. The replacement restored full function to the unit, resolving the issue and ensuring safe operation.

A technician in Fairfield, California inspected an HVAC system, confirmed normal compressor and fan motor performance, and cleaned a garage filter. They noted a possible heat exchanger crack and advised a fall inspection using a carbon monoxide reader and camera. The air conditioning system showed no issues and was confirmed ready for summer use.

A 100 Guaranteed Heating and AC inspected a residential outdoor condenser in Vallejo, California. The technician confirmed proper furnace performance, checked that compressor amps and the condenser fan motor were within specification, and verified the filter was clean. With a 17-degree temperature split, the system is operating efficiently and ready for summer.

A 100 Guaranteed Heating and AC inspected a Carrier condenser in Vacaville, California. The technician confirmed proper cooling and normal compressor operation. The outdoor fan motor showed high amperage but no overheating. Coil condition is good. Filter replacement was noted. The fan motor may need replacement later, depending on system performance.

A 100 Guaranteed Heating and AC completed an air conditioning system check and vent adjustment in Davis, California. The technician confirmed proper cooling performance, verified fan motors, and adjusted apartment vents to meet resident preferences. The unit was confirmed ready for summer use with no issues found.

A 100 Guaranteed Heating and AC installed a new condensation pump and verified system performance in Vacaville, California. The split system, filters, coils, and amp draws all met specifications. The air conditioning unit is now prepared for consistent summer operation.

A 100 Guaranteed Heating and AC provided an estimate for a new evaporator coil after identifying a hole in the existing unit. This service took place in Woodland, California.

A 100 Guaranteed Heating and AC inspected an aging HVAC system in Dixon, California. Technicians recommended cleaning the indoor evaporator coil, clearing the drain pan and condensation line, and replacing the failed ECM motor. They restored power to the outdoor condenser for diagnostics and advised a full system replacement due to extensive wear.

A 100 Guaranteed Heating and AC replaced a blown 3-amp fuse and a faulty two-pole contactor on a Goodman HVAC system. The technician also changed an air filter and tested voltage and amperage. The system now cools and heats correctly. Service completed in Vacaville, California.

A technician replaced a clogged air filter and installed a new thermostat under warranty. The heat pump and defrost cycle were tested and confirmed working properly. The HVAC system now delivers full airflow. Service completed in Vacaville, California.

A 100 Guaranteed Heating and AC installed a variable speed blower motor for a Lennox HVAC system in Woodland, California. The technician completed the installation and confirmed the system runs correctly. This service improves airflow control and energy use in residential heating and cooling systems.

A 100 Guaranteed Heating and AC inspected a Carrier system in Fairfield, California. The technician cleaned the pressure switch and flame sensor. After testing the system through multiple cycles, the indoor blower motor responded correctly to thermostat commands and operated normally.

A technician completed an HVAC tune-up in Vallejo, California. During inspection, the fan motor made a loud screeching sound and showed signs of overheating. After cleaning, the issue continued. The technician recommended replacing the malfunctioning fan motor to prevent future damage and ensure safe operation.

A 100 Guaranteed Heating and AC replaced a seized outdoor fan motor in a Carrier system and restored cooling function. The technician diagnosed a failed fuse and corrected the issue. This air conditioning repair took place in Vallejo, California.

Technicians replaced a failed condenser fan motor and faulty electrical disconnect with fuses during an AC tune-up. The team also cleaned the condenser coils and inspected system airflow. This HVAC service restored cooling in Vallejo, California, after detecting overheating and damaged components.

A 100 Guaranteed Heating and AC inspected a heating and cooling system in Dixon, California. The technician replaced a clogged air filter, cleaned the flame sensor, checked wire connections, and tested operation in both heating and cooling modes. They recommended replacing a loose high-voltage whip and adapter washers to correct a safety concern.

A 100 Guaranteed Heating and AC inspected an air conditioner in Fairfield, California. They confirmed startup was normal and measured compressor performance within specifications. They identified that the condenser fan motor is running near its maximum temperature rating and advised future replacement. The technician also replaced the air filter and confirmed temporary system cooling.

A technician in Woodland, California, inspected a York furnace with a failed indoor blower motor. The blower assembly dropped due to a broken belly band, causing the motor to seize and smoke. The technician tested capacitors, confirmed they worked, and recommended replacing both the indoor blower motor and the belly band.

A technician repaired a Carrier furnace in Vacaville, California. The service involved correcting a door that was not fully closed, which triggered the furnace's safety feature and prevented it from starting. The technician restored the door to its proper position to allow normal furnace operation.

A 100 Guaranteed Heating and AC removed outdated ductwork and installed new R6 insulated ducts in Dixon, California. The system was sealed to meet a 5% air loss target under Title 24 standards. A third-party HERS rater will test airflow to ensure consistent delivery to all rooms.

A technician in Clearlake, California inspected a mini split system, removed the refrigerant to verify the charge, and added 6 lbs. 5 oz. of R-410A after finding it low. A vacuum test showed a leak, so a follow-up leak search will be scheduled to locate and address the issue.

A 100 Guaranteed Heating and AC diagnosed HVAC issues in Woodland, California. The technician replaced a faulty thermostat and identified a control board with intermittent power. After testing the system wiring and connections, they recommended replacing the board to restore consistent performance. The system warmed and cooled more reliably following these changes.

A 100 Guaranteed Heating and AC replaced a faulty thermostat and recommended vent correction for better airflow in Davis, California. The system had been shutting off before reaching set temperature, and vents directed air upward, causing uneven cooling. Technicians diagnosed the issue and restored reliable operation.

A 100 Guaranteed Heating and AC completed an annual tune-up on an older Goodman HVAC system in Woodland, California. The technician inspected and serviced the unit to ensure proper cooling for the summer. This routine maintenance helps extend system lifespan and maintain energy efficiency.

A technician in Vallejo, California repaired a Nest thermostat system by correcting miswired connections, cleaning the flame sensor, and clearing debris from the pressure switches and inducer motor. The thermostat was manually bypassed and charged to confirm stable system performance during extended operation.

A technician in Vacaville, California corrected a pressure switch issue on a package HVAC unit by removing a melted tube section and reattaching it. The system is currently operational, but the tubing requires full replacement to prevent future failures.

A technician replaced a failed variable speed motor on a Lennox furnace in Woodland, California. The new part was sourced directly from Lennox and installed to restore full heating system function.

A 100 Guaranteed Heating and AC installed a new Coleman three-ton, 17 SEER heat pump system in Vacaville, California. The upgrade improves energy efficiency and provides reliable heating and cooling year-round. The customer expressed satisfaction with the installation and system performance.

A 100 Guaranteed Heating and AC serviced a Carrier HVAC system in Fairfield, California. The technician replaced a dirty air filter, adjusted dip switches for the variable-speed blower motor, and programmed the system to shift to high stage after 5–10 minutes. These steps restored proper airflow and ensured efficient operation.

A technician in St. Helena, California repaired a Rudd furnace by securing a failed condensate line. The work included re-strapping and re-gluing sections of the line to restore proper drainage. The heating system now operates correctly and without interruption.

A 100 Guaranteed Heating and AC installed a new Coleman 80% 3-ton furnace and a 14.3 SEER air conditioner at a residential property in Vacaville, California. The team completed the HVAC system installation to improve heating and cooling efficiency for the home.

A technician in Davis, California repaired a detached drain pan by replacing a failed support strap. They reattached the plenum and sealed the transition to the evaporator coil. The HVAC system is now fully restored and functioning correctly.

A 100 Guaranteed Heating and AC installed a new 3-ton, 18 SEER Coleman heat pump system with a duct distribution center in Fairfield, California. The system improves energy efficiency and indoor airflow. This installation supports reliable heating and cooling performance for residential use.

A technician in Vallejo, California, replaced a faulty run capacitor in a Carrier HVAC system. The blower was not working properly under the customer’s home warranty. After replacing the capacitor, the system functioned as intended.

A technician in Vacaville, California removed a faulty contactor from an HVAC system and installed a new 220V contactor. This service restored proper electrical control to the unit, improving system function and safety.

A 100 Guaranteed Heating and AC completed an annual tune-up on a Coleman AC and furnace system in Vacaville, California. The technician checked both units to ensure reliable operation for the upcoming seasons. Regular maintenance helps support consistent heating and cooling performance throughout the year.

A 100 Guaranteed Heating and AC diagnosed and replaced a faulty Molex plug that caused heating failure. The technician cleaned the flame sensor and removed debris near the limit switches. Vibrations from the blower were disrupting the connection. Service was completed in Fairfield, California.

A technician in Woodland, California diagnosed a furnace lockout caused by a faulty primary limit switch. They identified airflow restriction due to a clogged air filter as the main issue. The unit was temporarily restored by bypassing the switch, and the flame sensor was checked in preparation for full repair.

A technician inspected a nonresponsive furnace in Fairfield, California, and found a failed main control board. The unit, a Nordyne system over 20 years old, may need full replacement. The team will provide a repair estimate before proceeding.

A 100 Guaranteed Heating and AC performed HVAC maintenance in Fairfield, California. Technicians cleaned dirty pressure switches, corrected a dirty flame sensor, and inspected the blower motor, fan capacitor, and compressors. They also noted coil corrosion, low refrigerant levels, and a non-functional indoor board LED. The team advised more frequent filter changes due to pets and candles.

Technicians in Woodland, California restored power to a furnace system by rewiring a junction box and replacing two failed thermostats with new Honeywell units. The heating system is currently operational, but an electrician is needed to inspect and correct remaining electrical issues.

Technicians inspected a Carrier furnace in Davis, California after reports of no heat. They replaced a faulty surface igniter and used a camera to check the heat exchanger. The inspection revealed cracks, which led to the unit being condemned. The customer used a home warranty to reduce replacement costs.

A technician in Winters, California inspected a furnace that lacked consistent high-voltage power. They verified furnace operation using an extension cord and diagnosed a faulty condensate pump. The technician recommended electrical repair and provided an estimate for pump replacement to restore normal HVAC function.

A 100 Guaranteed Heating and AC completed an annual tune-up on a Coleman 80% efficiency furnace in Napa, California. The technician inspected and serviced the unit to ensure proper function for the upcoming season. The system passed all checks and is operating as expected.

Technicians installed new ductwork from the supply plenum to improve airflow in every room. They also added a 10-inch constant pressure bypass damper by Honeywell. This upgrade supports the Bryant Evolution system. Service took place in Dixon, California.

A 100 Guaranteed Heating and AC installed a new duct to improve airflow and added a 10-inch Honeywell pressure-regulating bypass damper. This HVAC service was completed in Vacaville, California.

A 100 Guaranteed Heating and AC installed a 3-ton, 18 SEER Coleman heat pump system in Vacaville, California. The team also completed attic insulation and replaced all ductwork to improve airflow and energy efficiency.

A technician inspected an HVAC system in Vacaville, California. The inspection revealed carbonic acid buildup obstructing the pressure switch nipple. The technician cleaned the affected area. The system now functions properly and meets operational standards.

A 100 Guaranteed Heating and AC completed annual maintenance on a Coleman heating system in Vallejo, California. The team inspected and serviced the unit to ensure it was operating properly and ready for winter use. Regular maintenance helps confirm system performance and seasonal readiness.

A 100 Guaranteed Heating and AC replaced undersized ductwork to improve airflow and system efficiency in Fairfield, California. Technicians removed old ducts and installed enlarged ducts to support proper air circulation and equipment performance. This upgrade ensures the system runs reliably and maintains consistent indoor comfort.

A 100 Guaranteed Heating and AC replaced a faulty blower motor under warranty in a 3-ton package unit. The team restored the air conditioning system to working condition. This HVAC repair service was completed in Vacaville, California.

A 100 Guaranteed Heating and AC replaced a silicone nitride igniter in a residential heating system in Fairfield, California. The team restored full system function, ensuring proper ignition and consistent heat output. This service helps maintain reliable performance and extends the unit’s lifespan.

A technician replaced a faulty blower motor in a Coleman HVAC system in Vacaville, California. The new motor restored full system function. The heating and cooling unit now operates effectively with no reported issues.

A 100 Guaranteed Heating and AC inspected a 22-year-old HVAC system in Dixon, California, and found a failed capacitor. The technician provided an estimate to replace the unit with a new 5-ton Coleman heat pump system.

A 100 Guaranteed Heating and AC installed a 3-ton, 18 SEER Coleman heat pump system in Vallejo, California. This setup improves heating and cooling efficiency in residential spaces and supports long-term energy savings through reduced power consumption.

A 100 Guaranteed Heating and AC provided an estimate for a new Coleman heat pump system in Vallejo, California. The technician assessed the property, reviewed system requirements, and prepared a detailed quote for the installation. This visit helped the customer plan for a potential energy-efficient heating and cooling upgrade.

A 100 Guaranteed Heating and AC completed an annual heater tune-up in Vallejo, California. The technician inspected components, checked system performance, and ensured safe operation. Regular tune-ups support energy efficiency and help prevent unexpected breakdowns. This service helps maintain consistent heating throughout colder months.

A 100 Guaranteed Heating and AC installed a 3-ton packaged HVAC unit in Napa, California. This installation supports efficient heating and cooling for residential or commercial properties, offering reliable climate control through a compact system.

A 100 Guaranteed Heating and AC completed an annual HVAC tune-up in Fairfield, California. The technician checked system performance, cleaned components, and verified safe operation. Routine maintenance like this helps improve efficiency and prevent unexpected breakdowns.

A 100 Guaranteed Heating and AC completed an annual HVAC tune-up in Vallejo, California. The technician inspected system components, cleaned essential parts, and tested the unit for proper function. This service helps maintain efficiency and reduce the chances of unexpected breakdowns.

A 100 Guaranteed Heating and AC completed annual HVAC maintenance and replaced air filters in Dixon, California. Regular service helps keep systems running efficiently and prevents buildup that can reduce airflow or cause wear. This visit ensured equipment remains in good working order for seasonal use.

A 100 Guaranteed Heating and AC installed a 4-ton heat pump in Fairfield, California. The team completed the installation to support efficient heating and cooling for the property. This service helps maintain indoor temperature control across seasons.

A 100 Guaranteed Heating and AC replaced failed pressure switches in an HVAC unit in Dixon, California. The service restored proper system function and prevented further issues with airflow and safety controls.

A 100 Guaranteed Heating and AC installed a new furnace in Vallejo, California. The team completed the heating system installation to support reliable indoor temperature control for the property. This service improves heat delivery by replacing outdated or non-functional equipment with a new furnace unit.

A 100 Guaranteed Heating and AC installed a new furnace in Vallejo, California. The team completed the full unit installation, ensuring the system was in place and ready for use. This service focused only on the furnace without additional HVAC components.

A 100 Guaranteed Heating and AC performed annual maintenance on a residential air conditioning unit in Fairfield, California. The technician inspected components, cleaned filters, and checked system performance to ensure efficient operation. Regular service helps maintain system reliability and improve energy efficiency.

A 100 Guaranteed Heating and AC completed a furnace replacement in Vallejo, California. The team removed the old unit and installed a new furnace to restore proper heating. This service helps ensure reliable indoor temperature control during colder months.

A 100 Guaranteed Heating and AC installed a new gas heating system for a homeowner in Vallejo, California. The team provided an initial estimate and completed the full installation after customer approval. This service improved home heating efficiency and reliability through professional system replacement.

A 100 Guaranteed Heating and AC inspected a blower motor with intermittent issues in Woodland, California. The technician assessed the system and advised the customer to call if the issue returns for further diagnosis and repair.

A technician inspected a furnace and found cracks in the secondary heat exchanger. The technician provided an estimate for a replacement heat exchanger. This service took place in Sonoma, California.

A 100 Guaranteed Heating and AC replaced service valves, installed a new line set, and recharged a Goodman HVAC unit with Freon. The service addressed a two-year-old system in Sonoma, California, ensuring proper cooling performance through essential component updates and refrigerant replenishment.

A 100 Guaranteed Heating and AC repaired a 34-year-old Day & Night furnace in Napa, California. Technicians first inspected the heat exchanger to confirm there were no carbon monoxide leaks before completing the repair to restore safe furnace operation.

A 100 Guaranteed Heating and AC completed a routine tune-up on a 20-year-old package HVAC unit under a silver energy maintenance plan in Fairfield, California. Regular maintenance supports system performance and helps extend equipment lifespan over time.

A 100 Guaranteed Heating and AC replaced outdated ductwork in a modular home to fix poor airflow. Technicians inspected the existing system and installed new ducting. This service took place in Sonoma, California.

A technician in Vallejo, California inspected a furnace and found failed silicone around the flue. The team removed the damaged sealant and applied new silicone to secure the connection safely. This repair improved furnace performance and sealed the ventilation path properly.

A 100 Guaranteed Heating and AC completed an HVAC system inspection and grill cleaning in Fairfield, California. A blocked return grill was restricting airflow to the heat exchanger. Technicians cleaned the grill, restoring proper airflow and system function. Regular maintenance helps prevent airflow issues and supports efficient heating and cooling performance.

A technician cleared a bug-clogged p-trap in a 95% furnace, restoring full operation. The service ensured the heating system worked efficiently again. This furnace repair was completed in Winters, California.

A technician in Davis, California, identified a leak in a Lennox furnace and replaced the emergency drain pan. This repair helped prevent water damage and ensured the furnace operated safely.

A technician repaired a Lennox HVAC system in Fairfield, California. They identified a faulty transformer, completed wire repairs, and adjusted the limit switch to restore proper system function.

A technician in Vallejo, California diagnosed a faulty zone board in a Carrier HVAC system. They replaced the malfunctioning component, restoring full system function. The heating and cooling system now operates correctly after the repair.

A 100 Guaranteed Heating and AC replaced a faulty transformer and installed a low-voltage fuse on a Bryant condenser in Fairfield, California. The technician identified the power issue and completed electrical repairs, restoring the unit’s performance.

A technician in Woodland, California replaced a damaged Goodman system due to a cracked heat exchanger. The service included removing the faulty furnace, air conditioner condenser, and evaporator coil, and installing new Carrier brand components to restore full HVAC function.

A technician in Vallejo, California diagnosed a Lennox furnace that failed to start. The technician identified a faulty flame sensor, replaced the part, and restored full operation. The repair ensures the furnace now runs correctly and responds as expected.

A 100 Guaranteed Heating and AC diagnosed a faulty thermostat on a Trane system in Vallejo, California. The technician replaced the non-working unit with a new Honeywell thermostat to restore system control and temperature accuracy.

A technician replaced a failed capacitor in a Carrier HVAC system. The repair restored full function to the unit. This service took place in Vallejo, California.

A technician repaired a Bryant Extreme Heat Pump system in Fairfield, California. The system had a blown fuse, which caused a malfunction. The technician replaced the damaged fuses with new ones. After the repair, the heat pump resumed normal operation.

A technician replaced a failed fan motor on a Lennox condenser unit. The repair restored full system functionality. This HVAC service took place in Vallejo, California.

A technician in Vacaville, California diagnosed a non-operational condenser and identified a failed fan motor. The team replaced the fan motor on a Carrier system. After replacement, the air conditioning system resumed normal function.

A technician in Vallejo, California replaced two outdated thermostats with Honeywell models and installed new thermostat wiring. This thermostat upgrade improves energy efficiency and system control.

A technician in Fairfield, California diagnosed a Goodman furnace that would not start. The issue was traced to a broken door switch that failed to keep the furnace door closed. The latch was repaired, restoring normal system operation.

A technician in Vacaville, California replaced two faulty fuses on a Lennox HVAC system. The technician identified the issue during inspection and restored proper system function after replacing the damaged components.

A technician replaced a failed inducer motor on a Goodman heating system. The repair restored full system function. This service was completed in Vallejo, California.

A technician in Fairfield, California, diagnosed a faulty thermostat on a Carrier HVAC system and replaced it with a new Honeywell thermostat. This service restored proper temperature control and ensured system performance.

A technician in Vallejo, California diagnosed a non-working Carrier HVAC unit. The technician identified faulty fuses and replaced them. After the fuse replacement, the system resumed normal operation.

A technician replaced the evaporator coil on a Lennox HVAC system in Fairfield, California. This service restores proper airflow and cooling performance by removing a failed coil and installing a new component. The work ensures the system runs efficiently and supports consistent indoor climate control.

A technician in Fairfield, California replaced a faulty thermostat with a new Honeywell model. The replacement restored proper system operation and resolved the heating and cooling issue.

A technician replaced a failed dual run capacitor in an HVAC system. The system now runs correctly after the capacitor installation. Service was completed in Santa Rosa, California.

A technician cleaned a heavily soiled evaporator coil during a service visit in Tacoma, Washington. The team removed buildup to support proper airflow and system performance. This routine HVAC maintenance helps prevent strain on cooling systems and supports long-term reliability.

A technician in Fairfield, California inspected an HVAC unit and identified a clogged air filter. The technician removed and cleaned the filter to restore airflow and improve system performance.

A technician diagnosed a failed fuse in an HVAC system and replaced it to restore proper function. This service was completed in Vallejo, California.

A technician diagnosed an HVAC system and replaced a faulty fuse in Vacaville, California. This service helped restore full system function and prevented further electrical issues. Regular HVAC diagnostics reduce downtime and extend equipment life.

A technician replaced a high limit switch on a rooftop package HVAC unit in Lodi, California. This component helps protect the system by shutting it down if temperatures exceed safe levels, ensuring continued operation and safety.

A 100 Guaranteed Heating and AC replaced an existing thermostat with a Honeywell unit in Vallejo, California. The technician removed the old device, connected the new thermostat, and tested system compatibility. This service improved temperature control and system responsiveness in the home.

A 100 Guaranteed Heating and AC replaced an existing thermostat with a Honeywell thermostat in Fairfield, California. The service included removing the old unit and ensuring proper installation and function of the new programmable model for accurate indoor climate control.

A technician in Vacaville, California diagnosed and replaced a faulty circuit board on a Payne furnace. The technician also installed a new Honeywell thermostat to restore proper heating system function.