Articles Tagged with ''hydronic heat''

Mr. Alfred G. King, it’s so good to hear your voice, even though you’ve been dead for quite some time.

We are proud to present the third of five eBooks specifically for the hydronics and radiant heating/cooling market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this eBook is a collection of columns and articles from John Siegenthaler, P.E., a well-respected hydronics expert and longtime columnist for PM, pme and Supply House Times.

A contractor is asked to design a hydronic heating system for a modest, super-insulated house in a cold Northern climate. The home’s design load is only 18,000 Btu/h. The owners are planning to install a 12 KW solar photovoltaic electrical system.

Since its inception in 2004, Oil Heat Cares — a not-for-profit foundation — has helped people and organizations in need with the replacement of their oil heating appliances.

At first, Eugene Bourdon was annoyed when he saw what his worker had done to the metal tube. The tube was in the shape of a spiral and it was to go into a laundry machine they were building in Bourdon’s shop.

Have you noticed the strong interest in cold-climate air-source heat pumps over the last couple of years?

The educational event runs from 7:30 a.m. to 5 p.m. May 22 at Landmark College in Putney, Vermont.

The additions include forged bronze vent elbows, a wrot copper extended elbow and a wrot copper fin tube stiffener. All of the products are lead free.

The lower pressure drop on the water side contributes to the compact size and the lower pressure on the flue gas side contributes to the longer approved vent lengths (up to 481’).

An installer sets up a zoned distribution system as shown below. To keep it simple, he uses the same size piping for the headers and all the distribution circuits. The heat source is a low-mass, copper-tube boiler with high-flow resistance.