Popular high-efficiency boilers tend to be more expensive at installation, but lower utility bills pay customers back over time. 

Bradford White’s eF Series of ultra-high-efficiency gas water heaters feature electronic controls, a low-NOx premix modulating power burner, a three-pass fire-tube heat exchanger system, and versatile venting options. 

Rheem’s ProTerra Energy Star-certified water heater is more eco-friendly than ever at up to 4.0 UEF, Rheem states. 

NYSERDA will host four webinars, which will be presented by John Siegenthaler, P.E., over the remainder of 2020. 

Paul M. Dorman High School in Roebuck, South Carolina, is achieving academic excellence that’s the envy of many other schools across the Southeast. 

It was such a simple project; replace the old cast iron boiler with a new condensing boiler. You knocked it out in a few days. 

Navien NFB series high-efficiency condensing fire tube boilers are available in two models, NFB-175 (175,000 Btu/h) and NFB-200 (199,900 Btu/h).

Triangle Tube’s Instinct stainless-steel fire tube heat exchanger is manufactured and produced to the highest quality standards to ensure reliability, the company says.

Water quality. If you haven’t spent a good deal of time thinking about it and the impact it has on your hydronic heating system, think again.