Category: Heating

Heat Pump Defrost

There are two types of defrost control. First, there’s the really old electro-mechanical style made up of line-voltage relays, snap-acting temperature sensors and timer motors. We’re not going to talk about these because this stuff is old. Really old. Pittsburgh

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Heat Pumps, How do they work?

How Do Heat Pumps produce Heat? They use a process called PFM (Pure – expletive deleted – Magic). Just kidding. Sort of…Read on.

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Everything You Need to Know About Heat Pumps, and nothing you don’t.

Heat pumps are a mysterious collection of strange valves, complicated circuit boards, miles of wiring, and weird t-stat terminals like ‘O’ and ‘B’. Does the whole concept of heat pumps leave you bewildered and confused? Fear not. Read our series

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