Preventive Maintenance

Air Tech of Houston Preventative Maintenance Program

At Air Tech of Houston, we recommend that you have your air conditioning and heating systems properly serviced in the spring and fall months, prior to the extreme heat of summer and the frigid cold of winter. Just as your vehicles at home require regular oil changes to maintain your warranty, your home’s heating and cooling systems also need regular maintenance. Below you can see a complete description of the Preventative Maintenance services we perform. For an annual fee, you receive Spring and Fall Preventative Maintenance servicing.

Spring Preventive Maintenance (Air Conditioning):

  • Check Evaporator coils for buildup and restrictions
  • Inspect condenser coil for buildup and restrictions, and clean condenser if a hose is readily available
  • Inspect blower wheel
  • Check refrigerant charge
  • Inspect all air filters
  • Inspect and adjust belts and pulleys
  • Inspect controls and safety switches
  • Check capacitors
  • Check temperature and pressure
  • Add slime tabs to condensate drain pan
  • Treat evaporator coil drains with slime tabs
  • Check all caps and valves for seals and/or proper snug fit
  • Check thermostat operation, mounting, and calibration
  • Check all electrical connections and wires
  • Check temperature splits
  • Lubricate all moving parts, where applicable
  • Evaluate drain line, pan, and drainage
  • Check float switch operation
  • Check contactor points
  • Perform visual duct inspection
  • Check final performance and report deficiencies & improvements

Fall Preventive Maintenance (Heating):

  • Startup heater and check for proper combustion (if gas furnace)
  • Check amps (if electric heat kit)
  • Check temperature and performance
  • Check operation of safety controls and safety switches
  • Assess heater for adequate make-up air
  • Inspect heat exchanger for cracks or deficiencies
  • Check combustion air openings
  • Check gas line and gas valve for function and safety
  • Check gas line for leaks
  • Check for carbon monoxide leaks
  • Check vent pipe for proper condition and strapping
  • Inspect all air filters
  • Check capacitor on blower motor, if accessible
  • Inspect blower wheel & draft induced fan motor for excessive vibration
  • Inspect coil for buildup and restrictions of airflow from heater
  • Check thermocouple
  • Test fan switch
  • Check pilot safety
  • Inspect flue panels
  • Inspect burners
  • Check supply and return for leaks and visual duct inspection
  • Check final performance and report deficiencies & improvements