In last month’s column, I presented a “template” for a system that provides space heating, cooling and domestic water heating using a cold climate air-to-water heat pump as the primary heat source, and the sole source of chilled water for cooling. 

In August, the Department of Energy (DOE), published a proposed rulemaking that would change the definition of a showerhead. While this sounds simple enough, you have to remember this is the federal government.

Check out PM Engineer's letters to the editor for September 2020! 

Last month, I made the 2.5-hour drive to picturesque Grand Haven, Michigan, located right on the shores of Lake Michigan. 

Looking back to 1991 when we first started searching for home designs, there was a radiant heating revival underway in the USA. 

Strategy, in my experience, is vastly misunderstood. I often see strategy thought of as “marketing strategy,” and it is applied to business development efforts only, or it is considered to be “not-applicable” as conditions on the ground are changing too quickly to “make a long-term plan” and then not change from it. 

“Good to the last drop,” for those who do not know, is a slogan used by a certain brand of coffee for marketing purposes. 

For decades, fossil-fueled boilers have dominated the market for hydronic heat sources.

Rahm Emanuel, the former Mayor of Chicago and former White House Chief of Staff for President Barack Obama, has a line that he often repeats: “Never allow a good crisis to go to waste.” 

My brother and I finally dragged our mother into the 21st Century and bought her an iPhone for her birthday.