DIY Geothermal – How To Install Geothermal Heating


A geothermal heating system has become so popular in recent years. It is one of the most highly recommended for use in the homes and buildings. The reason behind this is the many benefits it gives that cannot compare to the other conventional systems. A major factor that contributes to its being preferred by most homeowners is the fact that it uses a natural and renewable form of energy.

Geothermal means energy from the earth based on its Greek origin. It is sourced from deep down the earth’s surface where high temperatures that can reach up to 75 degrees Fahrenheit remain constant all the time. This is why geothermal energy proves to be very efficient, clean and in its renewable form always and therefore, ideal for use in heating the home.

A geothermal heating system serves two purposes in homes and buildings as it is used to provide both heat during winter and cool air during the hot summer months. It does not take up much space as you need only a single heat pump system for your heating and cooling requirements instead of having a furnace and an air conditioning unit. 

This system involves a loop or series of pipes buried beneath the ground which are connected to a heat exchanger and ductwork going into the house or building. While it can be installed by homeowners with some help from family and friends, it is usually not a do-it-yourself type of project. Experts recommend that the pipes should be installed by professionals to ensure that they’re done well. These professionals have the right knowledge about what they do and they follow the procedures formulated by the International Ground Source Heat Pump Association (IGSHPA). Additionally, before installation, the system needs to be designed according to the area of the home or building and this work also requires some expertise.

For homes with small yards, a vertical piping network can be installed as it requires less yard area and eliminates the need for excavation. The steps include driving a drive pipe structure vertically into the ground at several locations with the upper end portions above the frost line. A long geothermal pipe with closed ends is then inserted into the drive pipe structure and the lower end is interlocked with a drive point device at the lower end of the drive pipe structure. The pipes are connected together by conduits and connected to a heat pump. 

As for the horizontal type, it features a series of pipes arranged horizontally in grid configuration through which water is circulated by a heat pump. However, an extensive excavation is required to install the pipes that are arranged horizontally in this conventional geothermal system. This process is not only expensive but it can also have an environmental impact as it can damage your lawn when the system is installed underground. 

Inside the house, a compressor and ductwork do the releasing of heated air into the various rooms. For best results, an indoor compressor unit sealed in its own chamber is ideal to use. Since it not exposed to changing weather unlike the outdoor units, it can last for long years while still maintaining its efficiency.

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