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This unique circa-1905 catalog is from the U.S. Radiator and Boiler Company of Pittsburg, PA and contains some very hard-to-find radiator ratings for Sun Radiators and He...

Written by Harry B. Perrigo in 1913, these four pages of simplified sizing information for heating systems must have been in the pockets of many a Dead Man over the years...

This is a brochure about Trane Heat Cabinets calling them "the greatest advancement of the age in the field of heating" and "successors to the radiator." Thanks to Frank ...

This brochure for Capitol Radiators is from 1928 and was published by the United States Radiator Corporation. Special thanks to Mike Thies for scanning this for us.

This is an excerpt from The Ideal Fitter, which the American Radiator Company published yearly back in the day. It features the Vento Cast Iron Heater. It reads, "Just as...

Thanks to Frank "Steamhead" Wilsey for finding and scanning these pages. He writes, "These scans are from the Walworth Manufacturing Company's 1892 catalog, which I recen...

Thanks to Frank "Steamhead" Wilsey for sharing this one with us. He writes, "The first page is from Susan Reed Stifler's book, The Beginnings of a Century of Steam and Wa...

This catalog from the Young Radiator Company contains information about the Young copper convectors, as made in 1937.

This document is subtitled "And also a Method of Preventing Ships from Leaking" and was written by Col. Wm. Cook.

Eckstein's and Busby's Patent Circulator was the first circulator. This document is from Charles Hood's A Practical Treatise on Warming Buildings by Hot Water, Steam, and...