Ground source kinds of heat pumps are very important for those who own houses. There are good methods of making your house truly green. These kinds of heat pumps are used to either cool or heat a specific area. These pumps come in two different types which are the water to air and water to water transfer type. The water to water types are similar to the standard kind of boilers and actually heat the pipes that are already fitted in the building. The water air pumps work like standard kind of air conditioners. The mainly function through the use of the cooling and heating parts of the ground source pump. The temperature of the air is altered through the ventilation process.