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

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Boiler Sizing

When steam heating was new, back at the turn of the 19th century, coal was the fuel of choice. It burned hot, and it burned long. A good coal-fired boiler would stay lit ...

Published on 07/16/2009 12:00 PM by Dan Holohan
Posted in Steam Heating
legal seafood fishaffied 2
A Customer's Bill of Rights

There's a restaurant chain here in the east called Legal Seafood. They've been in business for years, and for good reasons. Their places are clean and attractive.

Published on 07/15/2009 1:14 PM by Dan Holohan
Posted in The HVAC Business
Near-Boiler Piping Tips

All of these pipes around the steam boiler are important. Don't settle for less than what I'm showing you in this video. - Dan Holohan

Published on 07/14/2009 12:00 PM by Dan Holohan
Posted in Steam Heating
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The Dreaded Bear Report

I tried to explain to her what life had taught me about the Algebra Regents. It really hadn’t mattered one bit in the long run. She looked at me, rolled her eyes and stam...

Published on 06/29/2009 12:54 PM by Dan Holohan
Posted in The HVAC Business
downsizing
On Firing

In April 2008, my article "On Hiring" was published on HeatingHelp.com and circulated in a weekly email letter to industry professionals. In it, I urge contractors to tak...

Published on 05/30/2009 4:46 PM by John Cataneo
Posted in The HVAC Business
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How To Hire The Right People

As with any company in this field, you’ve always got your eyes open for a qualified technician or a trainable apprentice. You’ve tried everything, including ads in the lo...

Published on 05/28/2009 4:42 PM by John Cataneo
Posted in The HVAC Business