Systems Help Center

This all-technical, three-hour seminar will make you familiar with the many types of old steam heating systems and what goes wrong with them. Dan Holohan’s easy-to-follow...

In this all-technical three-hour seminar, Dan Holohan will give you a Liberal Arts education in those Classic Hydronics systems. He’ll have you seeing inside the pipes as...

Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.

This chapter on hot water heating systems and piping was prepared by Professor F.E. Giesecke (Director of Texas Engineering Experiment Station in TX) for the The American...

Here are ratings for the Erie radiator from Jarecki Mfg Co Ltd. They were based in Erie, PA and their radiators appeared in issues of Domestic Engineering in the 1890s. 

Brian Roberts & Paul Yunnie compiled this document that contains beautiful vintage advertisements and illustrations of radiators from the mid to late 1800s and early 1900...

This document contains the story of Herman W. Nelson, founder of the Herman Nelson Corporation and the Moline Heating System (a vacuum-vapor heating system).

Click here to view a beautifully illustrated catalog of circa-1890 Bundy radiators from the A.A. Griffing Iron Co. 

Hello, old friend. I’m writing today to say thanks, and to say farewell. This will be my last column.

My six-year-old grandboy, Brendan, was in the vestibule of the diner when the bubblegum machine caught his attention. It was one of those spiral models that appeared in t...