Heat Pump Maintenance Checklist Pdf !link!

The outdoor coil acts as the heat exchanger with the ambient air. The checklist specifies clearing debris (cottonwood, grass clippings, dryer lint) and carefully straightening bent fins with a fin comb. This is not cosmetic; a 1/16-inch layer of dirt can reduce heat transfer by 20%.

If you notice any of the following, don't wait for your scheduled maintenance: heat pump maintenance checklist pdf

The core of the document is typically divided into three zones: the indoor air handler, the outdoor condensing unit, and the electrical/refrigerant circuit. Within these, the most critical items are those that address the three great enemies of heat pump efficiency: The outdoor coil acts as the heat exchanger