A split system heat pump’s defrost sensor is used to detect ice buildup on the heat pump’s outdoor coil. When ice builds up on the coil, it reduces the heat pump’s ability to transfer heat, which can cause the unit to become less productive. The exact way in which a defrost sensor works can vary.
Manager of HVACR Education at Air Conditioning Contractors of America
Matt Akins is ACCA's Manager of HVACR Education. He can be reached at matt.akins@acca.org or 703-824-8867.
Latest posts by Matt Akins (see all)
- Understanding the Importance of Proper HVACR System Design for Your Client - August 29, 2024
- Elevating HVAC Maintenance with Systematic Checklists - April 18, 2024
- Understanding a Defrost Board on a Heat Pump - January 12, 2024