An architect, insulation installers, door and window salespersons/installers, and a mechanical contractor are in a classroom together, and the instructor asks: “Should you upgrade the building envelope or replace the heating and air conditioning equipment?

The roots of cogeneration in the United States go back to 1882 when Thomas Edison opened his Pearl Street Station power plant in Manhattan.

The historic Wick Tower in downtown Youngstown, Ohio, has seen both peaks and valleys since its completion in 1910 — even boasting the tallest building in town for several decades.

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.

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.