How Geothermal Works As the seasons move from spring to winter, temperature varies throughout the year. Some climates can range from sweltering summers to frigid winters; Danville included. Did you know there is a pretty constant temperature, regardless of climate or season, just below the ground? The Earth's crust takes in 47% of the sun's heat (energy) and is maintained in the ground a few feet underneath the surface. WaterFurnace geothermal systems extract this free resource with an earth loop. This ingenious technology reclaims the sun's heat providing your home or office with central heating and cooling. Geothermal Heating In the heating cycle, a WaterFurnace geothermal heat pump employs the earth loop system to draw the heat from the ground. With delivery through a conventional duct system, the geothermal system pulls heat from the loops and distributes it as warm air. Other choices are available to use that same heat energy to provide hot water heating and radiant floor heat. Geothermal Cooling Cooling the air is just the reverse process used in the heating cycle. Warm air is driven by the geothermal heat pump into the ground. By getting rid of the warm air, all that is left is cool air radiating throughout your home. Heating your water during this process is "free". For more information on how to get started with a geothermal system in the Danville area, contact Geo Climate Control. Start saving on your energy bills today.