Heating, Furnace, AC and Humidifier Checklist

Furnace – 25 Point Checklist

• Check T-stat Calibration and Operation
• Check Furnace Filter (Replace If Available)
• Check Humidifier Damper Position (When Applicable)
• Check for Proper Ignition Upon A Heat Call
• Clean and Check Burners (As Required)
• Clean and Check Piolet Assembly (When Applicable)
• Check Flame Sensor Reading
• Check Ignitor Resistance
• Check and Adjust Gas Pressure (Nat. Or Lp)
• Check for Proper Temperature Rise
• Check Draft Fan Operation and Amp Draw
• Check Pressure Switch for Proper Operation
• Check All Safety Controls
• Check High Limit Operation
• Check Blower Motor and Blower Capacitor (When Applicable)
• Check Blower Wheel Condition
• Clean Cabinets and Outside of Unit
• Secure All Electrical Connections
• Lubricate All Applicable Parts
• Check Flue for Obstructions and Clean Drain Lines and Trap
• Inspect Heat Exchanger for Cracks or Corrosion
• Check Carbon Monoxide in Exhaust
• Clean Fresh Air Intake Screen
• Check Exhaust Outside for Obstructions (When Applicable)
• What Else Can I Do for You?

A/C – 21 Point Checklist

Outdoor Unit

• Clean & Check Coil
• Clean & Check Outdoor Fan Blades
• Check & Tighten Electrical Connections on Outdoor Unit
• Check Amp Draw on Outdoor Fan Motor
• Check Amp Draw on Compressor
• Check Mega Ohm Readings
• Check High-side Compressor Pressure
• Check Low-side Compressor Pressure
• Check Subcooling/superheat For Proper Refrigerant Charge
• Tighten Service Caps to Prevent Refrigerant Leaks
• Apply Protective Coat on Painted Surface
• Clean Debris from Outdoor Unit

Inside Unit

• Clean Blower Motor
• Check Filter Condition
• Check for Proper Temp. Drop Across Indoor Coil
• Check for Tight Electrical Connections on Indoor Unit
• Check for Proper T-stat Calibration and Operation
• Clean & Inspect Condensate Drain Line
• Check for Proper Drain Line
• Check for Balanced Air Flow
• Check Static Pressure (Supply, Return, Coil, Filters)

Humidifier Checklist

• Clean Pad Tray and Inner Housing
• Change Pad
• Check Humidifier Damper Position (When Applicable)
• Secure All Electrical Connections
• Adjust Water Supply
• Inspect Water Feed
• Flush Drain Tube
• Check Unit Operations
• What Else Can I Do for You?