The E Series also sets the standard for performance, with the highest energy efficiency ratings in the industry in both heating and cooling. For example, even the most efficient gas furnace returns about 90¢ in energy for every dollar in operating costs. The E Series will return $3 to $4 worth of energy.

With the E Series from WaterFurnace, you’ll do your family and the environment a big favor. Because WaterFurnace geothermal systems don’t burn fossil fuels, they emit no harmful greenhouse gases. No flames. No fumes. No odors. And no danger from carbon monoxide in your home.