The Benefits of Regular Maintenance
Preventative maintenance is a critical element in optimizing efficiency and maximizing the life of the equipment. It is also a vital component in an effective indoor air quality strategy. On a periodic basis, our NATE certified and factory trained technicians visit your home or office and provide a variety of important HVAC maintenance services.
Routine HVAC maintenance can help improve indoor comfort, lower energy costs, and extend the life of the equipment. For customers in: Ashburn, VA; Bethesda, MD; Chantlly, VA; Fairfax, VA; Germantown, MD; Leesburg, VA; Potomac, MD; Reston, VA; Rockville, MD; and South Riding, VA; Mannix Heating and Cooling is the best choice in HVAC maintenance, installation, service, and repair.
Our Maintenance Services
Maintenance Plan
Designed to help a homeowner or landlord make sure the home’s HVAC system is being properly cared for and minimize the chance of unexpected repairs.
- Priority Scheduling over non-Service Agreement customers
- Discounted pricing on service and repairs
- Discounts on new equipment
- Two scheduled maintenance visits per year (one Spring, one Fall)
Work performed on our Spring visit:
- Check refrigerant levels and proper pressures
- Inspect and clean condenser coil
- Inspect evaporator coil
- Check air filter and replace if you have one available
- Inspect and test condenser fan motor, compressor and contactor
- Check voltage and amperage draw of the unit
- Flush and check condensate drain
Work performed on our Fall visit:
- Clean and adjust gas burners
- Inspect furnace heat exchanger
- Inspect and check wiring connections
- Check air filters and replace if you have one available
- Check and adjust gas pressure for proper combustion
- Inspect and check ignitor or pilot light
- Inspect blower and blower compartment
- Check refrigerant levels on a heat pump system
Work performed on our Pool Heat Pump maintenance visit:
- Clean the outdoor coils by washing with water and chemical cleaner.
- Check the two capacitors for proper ratings
- Check the amp draw of the fan motor and the compressor to ensure proper function
- Check contactor to ensure terminals are clean
- Check the temperature rise to ensure the unit is heating properly
Work performed on our Gas Pool Heater maintenance visit:
- Check gas pressure at the gas valve for proper combustion
- Clean and adjust gas burners
- Inspect heat exchanger
- Inspect and check ignitor assembly
- Check the temperature rise to ensure the unit is heating properly









