Take a stroll through HVAC history in our Heating Museum. This section of our website preserves history and answers that so-important question: What the heck is that thing? Whenever you run across anything unusual, chances are you’ll find the old literature about it right here.
Warming Buildings By Hot Water is "a practical treatise upon warming industrial and residential buildings, places of worship and horticultural glasshouses, heating drying...
Wiring Diagrams, Heating and Ventilation, Miscellaneous Tables is a booklet from Machinery's Data Sheets, published in 1910. To access this book online, click here.
Here is an excellent piece about pneumatic controls for heating systems from an old-school leader in the field, Johnson Controls.
This patent is courtesy of the late, great Joe Szakacs. Joe loved anything Bryant. He told us that this is the first boiler Bryant ever manufactured.
Here is a patent for a Bell & Gossett water heater from 1930. Thanks to Steve Pajek for finding and sharing the patent.
Here is a circa-1932 patent for a humidifier that also cleaned the air in the room. Thanks to Gerry Gill for finding and sharing this patent with us.
Humidity in House Heating: The Cause And Control of Air Dryness In House Heating is a circa-1929 booklet from the Dominion Fuel Board and the Natural Resources Intelligen...
K. C. Richmond, Editor of Coal-Heat magazine, questioned 38 industry leaders and published this booklet in July, 1942.
This article is from the American Gas Journal, October 11, 1925. It's a fine tale about The Story of Gas with many vintage photographs and drawings.
Jean Simon Bonnemain was the first to come up with the idea of central hot-water heating.