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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...

The industrial revolution has been fueled by combustion since its very beginning, and combustion produces carbon dioxide gas (CO²). Whether from a power plant, a...more...

I don’t like the Keystone XL pipeline concept for a few different reasons. The project is more of a shoving match between politicians than it...more...

Due to the length of this article, it will be published in two parts. Part one will cover why we need permits. Next month, part...more...

Some months ago I was approached by staff from the UCLA Extension Engineering & Technology to teach plumbing design online classes. Some of you already...more...

The Hoover Dam is one of the most important single structures in the U.S.  It provided a symbolic transition out of The Great Depression for...more...

Solar heat collectors are commonly installed as "Closed-Loop Pressurized-Glycol" systems in cold climates where freezing weather exists.

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One of the things that defines human beings beyond other living things on the planet is our ability to conceive of and look toward the...more...

Oh, that funky smell of gas. We are all familiar with it. One whiff immediately sends off those warning signals in

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