Seasonal Maintenance Checklist

Spring/Summer HVAC preventative maintenance

• Clean or replace filters
• Clean condenser and evaporator coils
• Clean drain lines for proper flow and clear clogs
• Clear drain pans of any standing water to avoid overflows
• Replace worn pulleys and belts
• Inspect ducts for mold, dust, and debris
• Observe humidity levels
• Check refrigerant charge and for leaks
• Test thermostats and controls to make sure temperatures and timer functions are correctly set
• Check electrical system and connections
• Check fan motor
• Check blowers and blades for proper airflow
• Lubricate motors bearings and moving parts
• Inspect cabinet for leaks and check cabinet door for secure closure
• Check for debris around outside unit

Fall/Winter HVAC preventative maintenance

• Replace filters on heating equipment
• Inspect ignition burner assembly
• Examine heat exchanger or heating elements
• Study flue system and ensure secure attachment to the furnace
• Inspect for gas leaks with gas furnaces
• Assess gas pressure
• Check pulleys and belts
• Clear drain lines and pans
• Check electrical connections
• Lubricate motors, bearings and other moving parts
• Check thermostats and controls
• Check fan and blower operation and adjust as needed
• Inspect heat pump
• Examine duct work and vents