Air Conditioning

  • Rinse outdoor condenser coil
  • Wipe down outdoor unit
  • Replace disposable standard air filter
  • Check thermostat operations
  • Check general condition of the equipment
  • Air wash A/C unit electrical control panel
  • Measure system cooling temperatures (18-21 degrees)
  • Check drain lines / Inspect condensate pump assembly
  • Measure and inspect compressor motor circuit and components
  • Inspect outdoor fan motor and measure circuit for proper operation
  • Inspect controls and relays for proper operation
  • Confirm compressor crankcase heater operation
  • Measure and record refrigerant operating pressures if required
  • Check for visible signs of refrigerant leaks
  • Inspect general condition of electrical line voltage and safeties (disconnect switch, fuses)
  • Measure and record system static pressures

Heating

  • Test furnace start-up (combustion/ignition/venting system)
  • Test furnace safety controls (Igniter/Limit/Flame Sensor)
  • Analyze, measure and record flue for combustion gas mixture reading (carbon monoxide, etc.)
  • Inspect high and low combustion air screens for debris
  • Clean flame providing sensor (electronic/thermocouple)
  • Check gas line at unit for leaks (flex connector, fittings,safety shut)
  • Test manual gas safety shut off for usable operation
  • Inspect and test flue vent system for proper venting and rest/condition
  • Test safety pressure switch operation
  • Measure indoor blower motor and electrical controls for proper operation
  • Measure combustion motor for proper electrical operation and lubricate as needed
  • Measure air temperature rise at heat exchanger
  • Test furnace door safety inter-lock switch of blower access panel
  • Air wash/vacuum burner compartment of any debris or foreign objects
  • Check for any unsafe storage items near furnace
  • Check high and low combustion screens for debris
  • Replace disposable standard air filter
  • Measure indoor blower for proper electrical amperage
  • Wipe down indoor unit

Air Duct System

  • Measure and record static pressures
  • Inspect air duct system for acceptable conditions, as accessible (i.e. visible leaks, deterioration, damage, etc.)
  • Test air duct system efficiency-temperature profiling (fan mode only)