HEATKEYS

National Geographic

Geothermal energy systems also known as geo-thermal, geoexchange, geo-exchange, ground-water, ground-water assisted, ground-water-source, water-to-water, or water furnace heat pumps for commercial, residential heating and cooling and water heating.

ClimateMaster.com

ENERGY STAR is a government-backed program helping businesses and individuals protect the environment through superior energy efficiency.

International Ground Source Heat Pump Association (IGSHPA) is a non-profit organization, established in 1987 to advance ground source heat pump (GSHP) technology. Headquartered on the campus of Oklahoma State University in Stillwater, OK.

Carrier is the world leader in air conditioners, furnaces, hvac and central air conditioning products, providing air conditioning, heating and refrigeration solutions for home and businesses.

Geothermal heat pump info, forums, events, videos, brochures, projects, incentives, contractors, drillers, engineers, designers, training, rebates ...

This Old House expert advice on home improvement, remodeling, upgrades, tools, and products. Ideas, photos, how-to videos, and step-by-step projects on kitchens, bathrooms, living spaces, workspaces, exteriors, landscaping, plumbing, storage, heating...

The Christian Science Monitor is an international news organization that delivers thoughtful, global coverage via its website, weekly magazine, daily news briefing, and email newsletters.