HVAC services in Fairfield, CA
For the past several years, A 100% Guarantee Heating and AC has been delighted to serve residents of Fairfield, CA with trusted services that each homeowner can rely on. Whether you need heating, air conditioning services, or more we have you covered with certified technicians that work with you every step of the way. When you find yourself needing trustworthy HVAC services, choose us and call 707-689-5128 today to set up an appointment.
Trusted HVAC Services
A 100% Guarantee Heating and AC stays up to date on modern heating, ventilation, and air conditioning systems for the community while also being able to provide as many services for traditional systems. Residents in Fairfield, CA have relied upon our HVAC service experts for the past several years for good reason.
When a home gets too cold and your heating system fails, we offer more than one affordable solution. We can fix it or install one of our own satisfaction guaranteed heaters that have are reliable to each of the customers we’ve installed for. Our central heating system can keep your entire home warm while enhancing your air quality and saving you money. If you’re looking for something more traditional, our gas furnace services have left many customers content with the results.
Our cooling systems have also been highly successful in homes during the hotter months of the year. When you need central air services, A 100% Guarantee Heating and AC has you covered so you don’t have to sweat the heat in Fairfield, CA. Contact us today to see how our HVAC services can benefit your home.
Get in contact today
You can rely on A 100% Guarantee Heating and AC to extend to you our services that will not only benefit you but also will be more reliable inside your own home as well. Our HVAC services are designed for the comfort of homeowners in the areas we serve and that includes Fairfield, CA. Give us a call at 707-689-5128 today to make an appointment and understand why our services can help you.
- Air Conditioning Service Company Our air conditioning units will keep your home cool
- Air conditioner Replacement/Install Keep your home cool with our air conditioning upkeep services
- Emergency Air Conditioner Repair Get your air conditioner repaired fast with our emergency repair service
- Refrigerent Recharge Service Recharge your air conditioner with our refrigerent service
- Heating Company/Services Choose how to heat your home with our multiple heating installation and repair services
- Electric Heat System Repair Trust a modern heating system to keep your home warm
- Gas Furnace Repair Most Americans use gas furnaces to heat their home, so can you
- Electric Furnace Repair Warm your home through an electric furnace
- HVAC Parts Replacement Don’t break the bank when fixing your HVAC system, let us offer a more affordable solution
- AC Compressor Repair/Replacement Keep your air conditioner running with an AC compressor repair/replacement
- HVAC Hot Surface ignitor Replacment Keep your heating system starting with a hot surface ignitor replacement
- Hard Start Kit Replacement Give your air conditioner a start up boost with our hard start kit replacement
Most Recent Pins (42)
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
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.
Christina Evangelista
A technician from A 100 Guaranteed Heating and AC provided an estimate for a full HVAC system replacement using a Bryant unit in Vacaville, California.
Christina Evangelista
A technician replaced a fuse on a Carrier HVAC unit in Fairfield, California. This service restored proper electrical function to the system and helped prevent further issues. Timely fuse replacement helps maintain system safety and performance.
Evan Thompson
A technician inspected a furnace in Fairfield, California, after the homeowner reported a clicking noise while the unit was completely off. The service focused on identifying potential electrical or mechanical issues that could cause sounds when the system is inactive.
Evan Thompson
A 100 Guaranteed Heating and AC provided an estimate to convert a gas furnace system to a high-efficiency heat pump, including available rebate options. This service took place in Fairfield, California.
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