Every house and building needs air conditioning and heating system. In this way, people can feel comfortable despite the weather outside is extreme enough. They can feel cool during the hot summer and warm during the bad winter. However, traditional air conditioning and heating system consumes large amount of energy and the residue is bad for the environment. Therefore, an energy-efficient and friendly environmentally air conditioning system becomes very crucial to apply these days.

The use of geothermal systems can be the best solution for those thinking of building green homes. Unlike the traditional ones, geothermal heating and air conditioning is very safe to the environment that use no gas and propane but utilize steady ground and water temperatures to transfer heat called geothermal hybrid system. more…