Cooling Check

• Inspect filters and belts
• Inspect blower and blower wheel
• Lubriacate bearings and motor where applicable
• Measure temperature difference between supply and return air
• Connect the gauges to check operating pressures and refrigerant charge
• Inspect controls for propoer operation
• Inspect connections to electrical components
• Inspect and clean condensate drain and line
• Clean condenser coil
• Test voltage and amp draw on compressor and fan motor
  
• Test thermostat for proper operations, replace batteries
• Inspect evaporator coil
  

Heating Check

• Inspect filters and belts
  
• Inspect blower and blower wheel
  
• Lubricate bearings and motors where applicable
  
• Measure temperature difference between supply and return air
  
• Inspect flue for proper draft
  
• Check safety controls for proper operation
  
• Inspect pilot and thermocouple, clean and adjust as needed
  
• Clean flame sensor
  
• Check for gas leaks at furnace
  
• Inspect humidifier operation and clean
  
• Inspect humidifier pad and change as necessary
  
• Inspect condition of heat exchanger
  
• Test for Carbon Monoxide
  
• Flush furnace drain line
  
• Test thermostat for proper operations, change batteries
  
• Test CO detector for proper operations and change batteries