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Recently, I spent the better part of a day trouble shooting the hot water circulation system on a building we designed and built back in...more...

The last code development cycle for the International Codes brought about a code change that was submitted to the model codes by a manufacturer of...more...

Did you know that fire protection engineers played an important role in helping the allies successfully win the strategic air wars over Germany and Japan...more...

Solar Thermal Hydronic Combisystems, like all hydronic systems, owe their very existence to the quiet, humble yet reliable centrifugal circulator pump. These pumps are at...more...

Is a colony on Mars a reasonable option for humans? What would be different about harvesting energy on the red planet compared to Earth? Maybe...more...

In a long-awaited ruling, the Colorado Court of Appeals recently held that a homeowner’s association could not remove a stipulation from its declaration mandating arbitration...more...

Let me introduce myself by telling you about the greatest guy I never met. Charlie Horton founded two trade magazines, and I had the pleasure...more...

The PHCP industry may have an entirely different R&D lab to test its products.

Pegasus Global Holdings is currently restarting plans to build a full-size...more...

In this series of articles over the years, I have been making the case that the key ingredients for solar/hydronic design and installation can be...more...

Nathaniel Whiting patented the first grease "trap" in California in 1884. Whiting’s design was basically the same then as today’s passive or gravity type grease...more...

“The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is aproblem.” – Theodore Isaac Rubin​

One of...more...

In January 2014, the accidental activation of a high expansion foam system in King Aircraft Hangar at Eglin Air Force Base in Valparaiso, Fla,. resulted...more...

Last month, Part 1 of this article discussed the requirement for a permit for an inspection if you replace a water heater. In most cases,...more...

Litigation is an expensive enterprise. Just ask anyone who has ever paid an attorney’s bill. Smart businesspeople consult with attorneys before the deal, with the...more...

As a manufacturers’ rep, I get to see the best and the worst heating professionals the mountains of Colorado have to offer. I’d like to...more...

Solar tchermal hydronic ombisystems must be designed and installed with the highest standards of quality and reliability. There are many ways to approach solar/hydronic heating...more...

On January 21, there was a significant fire in Edgewater, N.J. The fire involved The Avalon on the Hudson, a luxury apartment complex. The complex,...more...

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I recently presented a paper on geothermal HVAC implementation to the New York City Council. Though the benefits of geothermal heating and cooling systems are...more...

First, I would like to start with a correction to my February column. I incorrectly stated the vapor pressure of propane as 320 psi. For...more...

In one of the interludes during an episode of a famous 1960s cartoon show, Bullwinkle J. Moose, appearing in magician’s garb, said, “Hey, Rocky! Watch...more...