INDIANAPOLIS — Williams Comfort Air and its parent company DEFENDER Direct, which specializes in the sales, installation, and servicing of heating, cooling, and plumbing systems throughout central ...

GET UNDER MY LAWN: Drill rigs like this one can operate at 8 feet and — paired with an operator trained specifically for the job — can suffice for many residential geothermal direct exchange projects.

Drilling trucks and equipment designed to separate mud from drilling water for recycling are part of the process for installing a ground loop field for commercial or residential customers. NORTH BAY — ...

SACRAMENTO — California Gov. Jerry Brown on Sept. 27 signed into law Assembly Bill 2339, designed to identify and eliminate legal and statutory impediments affecting the adoption and use of geothermal ...