heat pump defrost cycle: The Heat Pump Was Looking Like It Is Covered In Ice - 12/21/14 08:04 PM
Going into the house it was uncomfortably cool and the thermostat was set at 72F and the clients asked me what was wrong.
I suggested the heat pump wasn't working right or the filter might be exceptionally dirty. 
So we looked out the back window.
The heat pump was looking like it was covered in ice.
It was having a problem with its
DEFROST CYCLE.
This time of year if there is a problem with a heat pump system, this might be how it manifests itself.
My CEU classes and reading tell me that this can occur at 40F and below, … (23 comments)

heat pump defrost cycle: Are You Seeing This From Your Heat Pump? - 01/07/14 06:49 PM
It's been cold here lately and when it gets real cold are you seeing this from your heat pump?
Does it look like an ice cube?
A heat pump is essentially an air conditioner that can work backwards!
In winter months many heat pumps will have to put themselves through what is called a "defrost cycle."
During the heating season, a heat pump will compress heat from outside and transfer it indoors. 
When the air outside is very cold, it will freeze on the heat exchanger when the fan is blowing air over it.  The purpose of the defrost cycle is … (42 comments)

 
Jay Markanich, Home Inspector - servicing all Northern Virginia (Jay Markanich Real Estate Inspections, LLC)

Jay Markanich

Home Inspector - servicing all Northern Virginia

Bristow, VA

More about me…

Jay Markanich Real Estate Inspections, LLC

Address: Bristow VA 20136

Office: (703) 330-6388

Mobile: (703) 585-7560

An experienced home inspector's look at current home inspection events and conditions along with his useful recommendations.


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