When the ink was dry on the market forecasts for 2020, nobody could have predicted a global pandemic disrupting every facet of the U.S. economy. 

When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters. 

Rheem Mfg. Co. promoted Amy Johnson to serve as the company’s vice president of global air operations and supply chain. 

Mature plumbing practices such as backflow prevention and scald protection will always be critical to the health of the user. 

With numerous benefits such as compact sizing, high-efficiency operation and cost effectiveness, it’s easy to understand why the combi-boiler market is growing. 

The start of a new year always brings new possibilities, and PHVAC industry pros are cautiously optimistic about new opportunities in the coming year. 

It was such a simple project; replace the old cast iron boiler with a new condensing boiler.

Assembling prior columns, updating older information, along with some new content for the four eBooks has been an interesting review of my 48-years as a mechanical contractor. 

Friction is everywhere. Even though friction finds itself in just about every system we design, it is one of those concepts that is not easily understood. 

Strategic Account Manager Joseph Keltos (second from left) recently celebrated a 20-year milestone at Telgian Engineering & Consulting.