A 100% Guarantee Heating and AC is a trusted air conditioning and heating company that has serviced residents of Davis, CA for years. We offer a multitude of HVAC services and opportunities that both help keep already present systems running or improve the home further for the homeowner’s comfort. Figure out why our heater, ventilation, and air conditioning services have proven to be reliable to customers throughout Davis and the surrounding areas. Call 707-689-5128 today to schedule an appointment.
HVAC specialists at your service
When we say we are an HVAC company, A 100% Guarantee Heating and AC truly means we take care of heating, ventilation, and air conditioning systems. That not only means installation and repair services but also replacement services for each of our services so that you can enjoy the same product that you’ve come to trust. We can also further help with the refurbishment of a home with our air duct services that handle repairs, replacement, and even installation. Not only do we help with refurbishment in the form of replacement, but we can also install the system into your home even if it’s freshly built.
Along with freshly installed or already in place air ducts, our systems can help warm or cool your home. We offer up to date installations in heating systems as well as more traditional and trusted systems such as gas furnace installations. Furthermore, our state of the art air conditioning services offers an affordable and efficient method to cool your home. With our air conditioner installation service, we can help you stave off the summer heat without breaking a sweat. Contact us today and trust us to get the job done.
Contact us for more
By calling us and making an appointment, A 100% Guarantee Heating and AC can help make your home both more proficient in temperature control and be more comfortable to live in Davis, CA. We’ll show you why we are one of the most trusted HVAC service providers. With one call to 707-689-5128, you can set up an appointment and find out why today.
Hard Start Kit ReplacementGive your air conditioner a start up boost with our hard start kit replacement
Most Recent Pins (22)
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
Evan Thompson
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.
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 100 Guaranteed Heating and AC diagnosed and replaced a run capacitor on a Carrier unit in Davis, California. This service restored proper function to the air conditioning system by addressing electrical issues affecting the compressor and fan motor.
Christina Evangelista
A 100 Guaranteed Heating and AC installed a new Bryant package unit in Davis, California. The team placed the system to improve airflow and ensure proper climate control. This installation supports efficient heating and cooling throughout the property, using a reliable, all-in-one HVAC solution suited for residential or light commercial use.
Evan Thompson
A technician diagnosed a Fujitsu ductless system in Davis, California that was not cooling properly. They found the system low on refrigerant and scheduled a return visit to perform a refrigerant leak search.
