An annual preventive maintenance inspection is the single most effective thing you can do to protect your commercial HVAC investment. Here is what a thorough inspection covers.
Cooling System Checks
- Refrigerant charge verification
- Coil inspection and cleaning
- Compressor amp draw and operating pressures
- Condenser fan blade inspection
- Expansion valve operation
Heating System Checks
- Heat exchanger inspection for cracks
- Gas pressure and combustion analysis
- Flue and venting inspection
- Safety controls testing
Air Distribution
- Belt tension and wear
- Bearing lubrication
- Filter replacement
- Duct damper operation
Controls and Electrical
- Thermostat calibration
- Contactor inspection
- Capacitor testing
- Wiring connections tightened

