Systems Help Center

Our comprehensive HVAC Systems Help Center covers a wide range of HVAC-related topics, including air conditioning and heat pumps, geothermal, hot-water heating, thermostats and controls, solar, steam heating, and warm air. We also have a section of informative and entertaining articles to help you sharpen your HVAC business skills. And our Heating Museum is a captivating journey through the evolution of HVAC technologies. 

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Recent Articles

Service Is Never Easy

We live in Bethpage, NY, a suburban Long Island town, known for the now-gone Grumman (maker of fine canoes and lunar landing modules) and a golf course that breaks hearts...

Published on 05/13/2022 10:26 AM by Dan Holohan
Posted in The HVAC Business
Good Help Is Hard To Find

My neighbor, Tony, loves his house. We live in a low-crime neighborhood on Long Island but Tony is always on guard against miscreants. He has a Ring camera on every side ...

Published on 05/05/2022 1:10 PM
Posted in The HVAC Business
I Can See Clearly Now

Five years ago, I had cataract surgery. I had no idea that I needed cataract surgery because I thought what I was seeing was normal. But then one day I drove into the tun...

Published on 04/12/2022 9:32 AM by Dan Holohan
Posted in The HVAC Business
Frozen Steam Coils

Frozen steam coils always seem to happen at the worst of times, don’t they? You’re busy because it’s cold enough to freeze coils. The place with the frozen coil contains ...

Published on 03/08/2022 3:35 PM by Dan Holohan
Posted in Steam Heating
So Easy To Blame The Boiler

A homeowner posted a question on The Wall at about a drumroll sound that was coming from his brand-new steam boiler. What could it be? He included a video...

Published on 02/22/2022 1:14 PM by Dan Holohan
Posted in The HVAC Business
noise or music
Noise or Music?

In 1992, I self-published a thick book I called, "The Lost Art of Steam Heating." I did this because I could not get a publisher interested in something that few, if any,...

Published on 01/10/2022 2:39 PM by Dan Holohan
Posted in The HVAC Business
If I Knew Then

I didn’t know then that you’re not supposed to hold a baby over your head and bounce her around. Especially after she’s just sucked down six ounces of Similac and several...

Published on 01/10/2022 1:45 PM by Dan Holohan
Posted in The HVAC Business