If you've had your water heater replaced in the past 10 years you've probably noticed in addition to purchasing a new water heater your plumber informed you an expansion tank or valve was needed.

Many water heaters feature an expansion tank to protect the system. Here's what a water heater expansion tank does and how you know if your system needs one.

A British-Chinese research group has developed a novel heat pump concept consisting of a heat pump, the PCM tank, and tube solar heat collectors. Intended for demand shifting in space heating and ...

With the turn of a valve last Tuesday, city workers began filling the newest addition to Dover’s water distribution system, a 165-foot-tall storage tank in the Garrison Oak Technical Park. The ...