New training feature offers option to take CGD course with or without certification.

The loop design tool assists with designing, sizing geothermal heat exchangers.

White House recognizes GHPs as a technology that can help reach its goals.

The lessons learned since the original 1997 publication are incorporated in the new book from ASHRAE.

The U.S. Department of Agriculture (USDA) is making geothermal heating and cooling systems more affordable for customers.

“Raw data show thattheVRFsystemusedtwice asmuchenergyasthe geothermal systemduring the two-yearstudy period,” says Jeff Spitler, leader of the research team.

In building its case for GHPs, GEO emphasized the efficiency that the technology can bring to EPA’s expected mandates.

Under the proposed bonus depreciation provision, businesses could deduct 50 percent of the cost of a GHP in the first year of installation.