The decarbonization of heating hot water (HHW) systems is an important and necessary step in the building industry’s effort to combat climate change. Existing heating hot water systems can be ...

In this column, I will describe the “issue” disclosed through analysis of the trend graph included in my March, 2012 “Commissioning” column. I will also introduce a new system, show its trend graph, ...

The system combines an outdoor air-to-water heat pump with a high-efficiency propane boiler for optimal performance across temperature ranges Installation was straightforward, utilizing Weil-McLain's ...

Last month I wrote about early steam heating and how experimentation led to discovery, which led to new products or piping techniques. This time I will be writing about the early days of gravity hot ...

Cornell University is undergoing a major transition in its heating infrastructure, converting the current steam heating system to a more efficient hot water network as a part of its 2035 goal of ...

"These things make hot water, and they do it very, very efficiently." Master plumber reveals how next-gen water heaters can ...

When you think about cutting your utility bill, your mind probably jumps to energy-guzzling appliances like your fridge, TV or washing machine. But here’s something you might not realize: your water ...

France-based FHE Group has developed a 2.5 kWh storage device that can store electricity as heat during the day and release this heat at night to power a heat pump for space heating and hot water.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...