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. 

Find help by category

Recent Articles

Sears Heating & Plumbing Offering

This 1940s catalog shows the broad range of products and services (including air conditioners and heating systems) that Sears Roebuck and Co. had to offer homeowners at t...

Published on 06/10/2014 5:17 PM
Posted in Heating Museum
Radiant Heating for The Modern Home

This circa-1947 brochure from Kohler makes a great case for hydronic heat. The "radiant" they refer to in the title isn't floor-heating, but cast-iron wall radiators.

Published on 06/10/2014 5:14 PM
Posted in Heating Museum
Iron Fireman Luminous Flame

Here is a beautifully illustrated consumer piece on the Iron Fireman Luminous Flame system for coal or oil heating. Thanks to John Mills for scanning and sharing.

Published on 06/10/2014 4:37 PM
Posted in Heating Museum
Ideal Heating

Here is a wonderful catalog from 1908 from American Radiator Company about their Ideal boilers and heaters. It will give you a glimpse of that long-gone time through pen-...

Published on 06/10/2014 4:35 PM
Posted in Heating Museum