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

hh 20 years
Celebrating 20 Years of HeatingHelp.com

My parents Dan and Marianne Holohan founded HeatingHelp.com in 1997. My three sisters and I grew up right alongside the business. As kids we had no idea about the weight ...

Published on 08/12/2017 6:49 PM by Erin Holohan Haskell
Posted in The HVAC Business
piping
Where is the Water Line?

We service the steam system in an old apartment building in the Dupont Circle neighborhood of Washington, D.C. The Avondale Apartment Building was built in 1914, and has ...

Published on 08/02/2017 9:57 PM by Dan Foley
Posted in Steam Heating
hypocaust
An Early History of Comfort Heating

Here is a superb account of the early history of comfort heating, written by our friend Bern Nagengast for The Air Conditioning, Heating and Refrigeration NEWS.  

Published on 07/31/2017 3:54 PM by Bern Nagengast
Posted in Heating Museum
historic home va
Old Houses, Old Systems

One of the things I love most about this business is the history of the heating systems in the old homes we work in. I enjoy poking around in the basements of old homes t...

Published on 07/28/2017 3:20 PM by Dan Foley
Posted in Steam Heating and Hot-Water Heating
house va
Steam Boiler Rescue

My Sunday mornings are usually spent catching up on proposals, writing, design work and other tasks that have slipped through the cracks over the previous week and can be...

Published on 07/28/2017 2:41 PM by Dan Foley
Posted in Steam Heating
The Return Pipe That Was a Supply

The heating business has a way of humbling you. After more than 25 years of running service calls on all types of heating and cooling systems, I had managed to tackle the...

Published on 07/27/2017 2:44 PM by Dan Foley
Posted in Hot-Water Heating
geothermal installation
Geothermal Design and Jobsite Examples

Since we work in a metropolitan area, the loop field can be a challenge at times. As we sub this part of the job out to a well driller, it can be more of a challenge, as ...

Published on 07/26/2017 3:48 PM by Dan Foley
Posted in Geothermal
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Getting Started with Geothermal

When I started my company ten years ago, I wanted to focus on radiant floor systems and mechanical systems for large custom homes. By and large, I have been successful in...

Published on 07/26/2017 3:41 PM by Dan Foley
Posted in Geothermal