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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Bailey’s Great Experiment

It was the spike in the cost of paper that eventually led to Bailey’s Great Experiment. The printer blamed the 50 percent increase on El Niño and lousy weather in the Pac...

Published on 01/29/2019 9:51 AM
Posted in The HVAC Business
radiators and kids
A New-Parent Question

I spotted this question on The Wall at HeatingHelp.com. It was from a brand-new parent and it made me smile because brand-new parents think they can control everything th...

Published on 01/21/2019 11:13 AM
Posted in Steam Heating
resumes
What's In It For Me?

In 2016, when I retired from speaking and traveling just about everywhere, I got involved with the General Society of Mechanics and Tradesmen of the City of New York. The...

Published on 01/09/2019 8:37 AM by Dan Holohan
Posted in The HVAC Business
Holohan Selling to Selfish People Cover web
Selling to Selfish People

HeatingHelp.com presents an audio recording of Dan Holohan's Selling to Selfish People (And We're All Selfish People!) seminar. Listen, laugh, and learn as Dan gives you ...

Published on 01/02/2019 5:43 PM by Dan Holohan
Posted in The HVAC Business
giving gift
Gift Wrap Your Message

Before I retired from speaking in 2016, I spent decades giving talks about heating systems across the U.S., Canada, Europe and even in the Caribbean. Several times, I eve...

Published on 12/18/2018 8:44 AM
Posted in The HVAC Business
colorful radiators
Metal Paints and Radiators

Ever wonder why the Dead Men painted so many of those old, free-standing, steam- and hot-water radiators silver? Yeah, so did I. I did some digging and came up with a del...

Published on 11/24/2018 1:51 PM by Dan Holohan
Posted in Steam Heating and Hot-Water Heating
How to Feed a Low-Pressure Steam Boiler

I once worked for the rep that sold McDonnell & Miller products in New York. They handed me a catalog on a Friday and told me that we would be the new rep the following M...

Published on 10/24/2018 11:12 AM
Posted in Steam Heating
old truck
Why This Truck?

Some years ago, my buddy Dennis Bellanti, of Ferguson fame, picked me up at the Denver airport in a truck I came to call Bruno. I followed Dennis across the acres of park...

Published on 10/17/2018 9:21 AM by Dan Holohan
Posted in The HVAC Business
scary furnace1
Fear of the Unknown

A homeowner, let’s call her Linda, sent me a message through Heating Help’s contact form last winter and it still has me thinking. She said, “I filled my glass gauge too ...

Published on 10/10/2018 12:58 PM by Erin Holohan Haskell
Posted in The HVAC Business