Gas Furnace Preventive Maintenance

Check thermostat calibration
Clean furnace burner assembly (if needed)
Clean ignition assembly (if needed)
Inspect gas piping
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

Air Conditioner Preventive Maintenance

Check thermostat calibration
Inspect evaporator coil if accessible
Clean condensate drain
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

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
Clean condensate drain
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

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

Annual Preventive Maintenance

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