Gas Furnace Preventive Maintenance

• ​Check thermostat calibration
  
• ​Clean furnace burner assembly (if needed)
  
• ​Clean ignition assembly (if needed)
  
• ​Inspect gas piping from gas cock to furnace
  
• ​Examine heat exchanger For damage and corrosion
• Inspect vent piping and clearances
  
• Tighten electrical connections
  
• ​Check system grounding
  
• ​Test furnace starting capabilities
  
• Measure voltage and amperage
  
• ​Adjust gas pressure and pilot Flame (if applicable)
  
• Check combustion air
  
• Monitor flue draft
  
• Test and adjust furnace safety controls
• Monitor heating cycle
  
• ​Measure temperature difference between supply air and return air
  
• In place, clean and adjust blower components (if needed and accessible)
  
• ​Inspect filtration system
  
• ​Inspect accessible duct work near the equipment location only
  
• ​Lubricate moving parts as needed​​​
• Examine furnace installation integrity
  
• ​Examine Heating equipment condition, area and clearances
  
• ​Test for carbon monoxide 
  

​Annual Preventive Maintenance

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Electric Furnace Preventive Maintenance

• Check thermostat calibration
• Inspect evaporator coil (if accessible)
  
• In place, Clean and adjust blower components (if needed and accessible)
• Inspect filtration system
• Tighten electrical connections
• Check system grounding
  
• Test system starting capabilities
  
• Measure voltage and amperage
  
• Lubricate moving parts as needed
• Test and adjust safety controls (if applicable)
• Inspect and test electrical heating elements
• ​Inspect accessible duct work near the equipment location only
  
• Monitor heating cycle
• ​Measure temperature difference between supply air and return air​​
• Examine air handler installation integrity
  
• Examine Heating equipment condition, area and clearances
  

Heat Pump Preventive Maintenance

• Check thermostat calibration
• ​Inspect evaporator coil (if accessible)
  
• In place, clean and adjust blower components (if needed and accessible)
  
• Inspect filtration system
  
• Tighten electrical connections
  
• Check system grounding
  
• Test starting capabilities
  
• Measure voltage and amperage
  
• Lubricate moving parts as needed​
• Check system defrost controls
• ​Test auxiliary heater
  
• Inspect filtration system
• Lubricate moving parts as needed
• Test condensate pump
• Inspect accessible duct work near the equipment location only
  
• Monitor cooling or heating cycle
  
• Measure temperature difference between supply air and return air
• Monitor refrigerant pressures
• Examine installation integrity
  
• Examine equipment condition, area and clearances
  

Air Conditioner Preventive Maintenance

• Check thermostat calibration
  
• ​Inspect evaporator coil if accessible​
  
• ​In place, Clean and adjust blower components (if needed and accessible)
  
• ​Tighten electrical connections
• ​check system grounding
  
• Text starting capabilities
  
• Test air conditioning safety controls​​
• Monitor cooling cycle
  
• Test compressor valves
  
• ​Measure voltage and amperage
• ​Monitor refrigerant pressures
  
• Measure temperature difference between supply air and return air
  
• Inspect filtration system
  
• ​Inspect accessible duct work near the equipment location only
  
• ​Lubricate moving parts as needed​​
• ​Test condensate pump​​
• Examine installation quality
  
• ​Examine equipment condition, area and clearances