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 article about calculating floor types for radiant heating systems first appeared in Plumbing & Heating Business magazine in September 1941.
The things we talk about today, they talked about more than 50 years ago. Check out this article from the Western Plumbing and Heating Journal in 1950 regarding the actua...
This document is from the 1949 edition of Audel's Plumbers and Steam Fitters Guide #3 and includes an informative section on radiant heating. Thanks to Larry Weingarten f...
Bundyweld was lightweight tubing that came out of the automobile industry and was a radiant-heating alternative to wrought iron and steel pipe in the days following World...
A.M. Byers Company sold wrought iron pipe, not systems, but they put this booklet together to promote radiant heating. It's really well done, with lots of installation ph...
Here are the complete installation instructions for the radiantly heated homes in the Weathersfield development of Schaumburg, Illinois, built by the Campanelli Brothers....
Hoffman Specialty's Director of Engineering, Ferdinand Jehle, wrote these four interesting "Engineering News" letters in 1946.
This brochure about Honeywell Control Systems for Radiant Panel Heating from the Minneapolis-Honeywell Regulator Company outlines their approach to radiant heating system...
This 1951 Guide from the Institute of Boiler and Radiation Manufacturers made radiant heating systems pretty easy to understand and install during the early years.
These were the first mass-produced homes. Built after World War II, they all had hydronic radiant heating systems. Note the way they laid the tubing right on the ground, ...