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.
These pages are from Nash Engineering Company's Bulletin #402-D describing their variable vacuum sub-atmospheric steam heating controls using their own vacuum and condens...
Here is some information about the GE Atomizing Boiler. The first part of this document comes from the 1960 Audel Oil Burner Guide, written by Frank Graham. The second pa...
This Wallace-Eannace Assoc. newsletter from 1986 focuses on industry education at the time and the early career of Dan Holohan, industry author and teacher.
Here is an advertisement for H. G. Ashton's Insulated Lock Safety Valve from 1872.
A patent for H.G. Ashton's Improvement in Lock Safety Valves for Steam Boilers. (Courtesy of Rick Ashton, great great grandson of Henry G.
No more double windows! That was the title of an article I read in the Chicago Evening Post. The year was 1911 and the page was yellowed with age.
This brochure from American Standard Hot Water and Steam Heat contains ARCO cast iron radiators literature and ratings from 1959.
Mr. Alfred G. King, it’s so good to hear your voice, even though you’ve been dead for quite some time. Thank you, sir.
On June 11, 1889, the G.M. Davis Regulator Company of Chicago, Illinois patented the Victor No. 2, an automatic air vent for steam radiators. It worked by the expansion o...
Here is a very old patent for T.S. Clogston's Cast Iron Sectional Steam Boiler and Radiator.