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 ...

The equipment in this troubleshooting situation is a package unit heat pump and the customer’s complaint is that the unit is “blowing warm air.” When you respond to this service call, you confirm that ...

Nelson Mechanical finds the reason for a crippling error code in a heat pump system that was driving the homeowner nuts. I love working with copper pipes and fittings ...

While heat pump problems are far outweighed by their many benefits, it is well worth getting to know where homeowners often run into issues with both air source heat pumps as well as ground source ...