Our comprehensive HVAC Systems Help Center covers a wide range of HVAC-related topics, including air conditioning and heat pumps, geothermal, hot-water heating, thermostats and controls, solar, steam heating, and warm air. We also have a section of informative and entertaining articles to help you sharpen your HVAC business skills. And our Heating Museum is a captivating journey through the evolution of HVAC technologies.
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.
Before I retired in 2016, I’d get a lot of calls from lawyers who wanted to hire me to be an expert witness at a trial. They were almost always representing a building ow...
