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.
This excerpt about the NIRA Window Seat Radiator for Steam and Hot Water Heating is from Facts for Fitters, a 1916 catalog from The Hunting Co.
Thank you to Frank "Steam...
Here is an excerpt from the 1920 and 1922 Ideal Fitter books from American Radiator Company about their Arco Window Radiators.
Thank you to Frank "Steamhead" Wilsey of A...
This excerpt from Heating and Ventilating Magazine, 1911, shows J. J. Wilson's wizard valve fitting for steam heating systems.
This is the patent for J.J. Wilson's Fitting for Steam Radiators from September 14, 1909.
This document contain an ad from Domestic Engineering (circa 1901) featuring the Trane Mercury Seal which was attached to an old steam heating system or to an old vapor p...
This document contains the Trane Steam Heating System Patent circa 1901. This system used mercury to produce vacuum.
In the early 1900s, hot-water heating systems had to rely on gravity. This system was simple because it had no moving parts (except for the water, of course), but it was ...
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.