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 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.
This is an excerpt from Rolla Carpenter's "Heating & Ventilating Buildings" with a table about Experiments on Different Steam-Heated Surfaces and Different Materials (Wro...
Here are the installation and operation instructions for Weil-McLain CGM 7 Ignition Essex Gas Controls (circa 1981)
This is the installation manual for Weil-McLain P-CG and CGM Gas-Fired Boilers, Series 7 (circa 1981).
This document, published in 1924 by the Department of Commerce Bureau of Standards, contains information about Emissive Tests of Paints for Decreasing or Increasing Heat ...
Monitor Bi-Loop Hot Water Radiators are partly filled with water which is heated by steam within the radiator, thereby eliminating the large volume of water to be circula...
This is an excerpt from Transactions of the Society of Heating and Ventilation Engineers from 1920. "It is the purpose of this article to bring together all of the data w...