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.

BRIGHTON, COLO. — One of Colorado’s largest geothermal projects is soon drawing to a close. When finished, Solaire Apartments, in Brighton, Colo., will be entirely heated and cooled by ground-source ...

MARTHA’S VINEYARD, MA — This geothermal rescue was for a closed loop geothermal system that was seriously overheating during the cooling season. This system had ten vertical loops that served 11 heat ...

With a little guidance on ground-source heat pump design temperatures and a few rules of thumb for ground loop flow rates, most engineers are pretty comfortable designing the building side of a ground ...

A Canada-based firm has developed geothermal technology that removes water from the equation. Commonly associated with water via hot springs, geysers, or plumes of steam, geothermal energy relies on ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...