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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

There Will Be Enough Oil

This is an address by Wallace E. Pratt, Vice President and Director or Standard Oil of New Jersey to the Oil Heat Institute of America on March 13, 1944. Read across the ...

Published on 06/12/2014 9:44 AM
Posted in Heating Museum
Timkin Silent Automatic Heat

Thanks to John Mills for sharing this Timkin flyer from 1948. He points out how it's interesting that they called their furnaces "air conditioning" back then.

Published on 06/12/2014 9:42 AM
Posted in Heating Museum
Williams Oil-O-Matic "Hushed Heat"

Here is a brilliant 1930s argument for converting your boiler from coal-fire to oil-fire. Wonderful photos as well. Thanks to John Mills for the scan and for sharing.

Published on 06/12/2014 9:36 AM
Posted in Heating Museum