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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

saying vs hearing
What Your Customers Want to Hear

So let’s say I need a new heating system and I'm calling around (I'm too old to do anything else). I ask you to stop by, take a look at what I need, and then tell me why ...

Published on 09/13/2017 5:05 PM by Dan Holohan
Posted in The HVAC Business
flood air conditioning unit
Flood Cleanup Safety Tips

The devastation caused by a flood is terrible. The effects last for months, if not years, and the toll on the flooded area is catastrophic. During the cleanup and recover...

Published on 09/06/2017 10:30 AM by Bill Wolfe
Posted in Steam Heating and Hot-Water Heating
Wet Returns

Whenever I quote a replacement steam boiler on a system with wet returns, I always quote a price to replace the wet returns, or at a minimum flush them out. Why? Most ste...

Published on 08/23/2017 6:20 PM by Dan Foley
Posted in Steam Heating
Steam Heating System Renovation

The list of steam heating contractors who have installed a completely new steam heating system is not long. By complete, I mean boiler, piping, risers, valves and radiato...

Published on 08/23/2017 5:44 PM by Dan Foley
Posted in Steam Heating
soup
What We Can Learn From Soup

Back in the days when I was traveling and doing seminars with The Lovely Marianne, we faced the challenge of getting the meeting planners at various hotels to give us wha...

Published on 08/15/2017 6:16 PM by Dan Holohan
Posted in The HVAC Business
hh 20 years2
A Timeline of HeatingHelp.com

To celebrate our 20th Anniversary, we thought it would be fun to break out our "baby pictures" and share how far we've come. Throughout the years, we've been committed to...

Published on 08/13/2017 12:30 PM
Posted in The HVAC Business
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