Radiant/Hydronics

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Industry veteran Larry Weingarten donated nearly all of his antique water heater collection to The General Society of Mechanics and Tradesmen of the City of New York. His collection is now on permanent display at West 44^th Street in Manhattan.

A guy I don’t know emailed me a question. I get a lot of that because I’m easy to find on the internet.

When water is heated, the space required for each molecule increases. Any attempt to prevent this expansion will be met by tremendous forces.

An installer was asked to include an air-to-water heat pump into a low-temperature radiant panel heating system supplied by a mod/con boiler.

Since its inception in 1954, more than 62,000 engineers, contractors and other hydronic HVAC and plumbing professionals have been educated at the Little Red Schoolhouse.

We are proud to present the fourth of five eBooks specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, a well-respected hydronics expert.

Proceeds from Wetstock will go towards Merit Awards for graduates of the Mechanics Institute HVAC/R curriculum at the General Society of Mechanics & Tradesmen.

The owner asked for a bid to replace her 35-year-old cast iron boiler which was still operating. She had two requirements: Redundancy in the event of a boiler malfunction and lower fuel costs for the building.

Mmanufacturer of air-to-water heat pumps called asking if I would be willing to visit a home to perform a heat loss/gain calculation where two of its heat pump systems had been installed and determine why the home was not heating and cooling to the homeowners satisfaction.

When John Kopf eventually gets around to designing and building his own house, he will go with hydronic heat instead of a more traditional forced air system. Kopf knows a thing or two about heating, having spent more than 20 years in the industry. He currently serves as boiler product manager for Navien.