Geothermal and the Columbus Environment Worried about the environment? Sure, we all are. By choosing a geothermal product you produce no dangerous greenhouse gasses such as carbon dioxide into your environment. Your family's safety is a primary concern to you and we understand that. Providing a place of comfort and protection for your family goes hand in hand. You accomplish both when you choose geothermal. Here are some agencies that agree. The EPA (Environmental Protection Agency) and the DOE (Department of Energy) determined that geothermal heat pumps are the most environmentally friendly and cost-efficient way to heat and cool your home. So now you know geothermal units are truly a natural, green way to live.