An air-to-air heat pump system can need to be defrosted when the ambient air temperature is as high as 50 degrees F.

Name: An air-to-air heat pump system can need to be defrosted when the ambient air temperature is as high as 50 degrees F.
Brand: Quizplus
Rating: 4.7 (52 reviews)

Question

Quizplus · Accepted Answer

Air-to-air heat pumps can accumulate frost on the outdoor coil even at temperatures as high as 50°F, especially in high humidity conditions, necessitating defrosting to maintain efficiency.

An Air-To-Air Heat Pump System Can Need to Be Defrosted