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A GAHT® system allows our greenhouses to provide their own heating and cooling using the energy of the sun, and the soil underground. The result is a renewable climate control system that both heats and cools the greenhouse at a fraction of the cost of traditional HVAC. For more information about our GAHT® System, visit our website at The GAHT® system works by storing thermal energy in the soil underground. during the day greenhouses accumulate a lot of heat standard greenhouses have to exhaust all this heat outside essentially wasting it the GAHT® system uses a fan to draw this excess heat underground where it is stored in the soil. When the greenhouse requires cooling thermostats turn on a fan which moves hot air from the top of the greenhouse through pipes buried underground where the soil absorbs the thermal energy from
