At the recent ASPE Convention and Expo, I visited friends at the Leonard booth. I was invited to see their new electronic thermostatic mixing valves. Simply stated, it was cool. The adjustment of the hot water temperature setting was quick and easy on the basic model. The other models can connect to the building management system, or even your cell phone.

One of the best things about hydronic heating systems is that it’s easy to integrate some method of domestic water heating. This combination has been used for decades in systems where a boiler was the sole heat source. It’s also possible when a heat pump serves as the heat source.

PM Engineer did a quick spot check with PVF manufacturers to get their take on current market trends, industry challenges and what to expect in 2022.

In the hospitality industry, the last thing you want to do to a hotel full of guests is shut off the water. But when you have no choice, you want that inconvenience to be over as quickly as possible.

There is a revolution happening in today’s plumbing marketplace, specifically when it involves domestic hot water system designs. 

It’s been a while since this column addressed solar thermal applications. 

The iconic Spectrum Center in Charlotte, North Carolina, plays host to the National Basketball Association’s Charlotte Hornets, as well as various events and concerts each year.

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. 

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

Embassy Suites in Portland, Oregon, consistently wins high reviews online — many of which give the enthusiastic thumbs-up for the 276-room historic hotel, an architectural masterpiece built in 1912.