Since 1990, the sale and shipment of cast-iron boilers has steadily increased. In fact, according to statistics kept by the Hydronics Institute Division of the Gas Appliance Manufacturers Association, ...

In a December 2014 Plumbing & Mechanical Hydronics Workshop column, we discussed the benefits of dual-fuel systems that combine a geothermal water-to-water heat pump with a mod/con boiler. The boiler ...

Hydronics is simply the use of water to transfer conditioned air from one medium to another. For many HVAC contractors, offering these services has extended a worthy return on investment.

In last month's column, I promised to give you more information on the Wilo Brain Box training tool. This training device was developed via an education grant from the German government and is the ...