Energy Program on Shared Heating Loop Systems to be held in Springfield Vermont, folks come on out to attend this here presentation.
This here presentation will be taking place on this evening of Tuesday the 17th of April 2012. The program will be taking place on the third floor of the Springfield Town Hall in the Springfield Selectboard Meeting Room, and is scheduled to begin at 7:00 P.M. John Pugh and Mary Ann Remolador are sending out this here invitation to folks from all around the area to come attend this here Energy Program.
Energy Program on Shared Heating Loop Systems to be held in Springfield Vermont, the program will be featuring the subject on Shared Heating Loop Systems, which is also know as Thermal Loop District Heating. Don Ingold whom is the Technical Director of the North Springfield Sustainable Energy Project will present a History of Shared Heating Loops, how they work, the energy efficiency of the systems and the related cost savings for folks.
One of the key components of a residential geothermal system is the heating loop. Remember, a geothermal heat pump doesn't create heat by burning fuel, like a furnace does. Instead, in winter it collects the Earth's natural heat through a series of pipes, called a loop, installed below the surface of the ground or submersed in a pond or lake. Fluid circulates through the loop and carries the heat to the house. There, an electrically driven compressor and a heat exchanger concentrate the Earth's energy and release it inside the home at a higher temperature.
Energy Program on Shared Heating Loop Systems to be held in Springfield Vermont, the ductwork distributes the heat to different rooms. In summer, the process is reversed. The underground loop draws excess heat from the house and allows it to be absorbed by the Earth. The system cools your home in the same way that a refrigerator keeps your food cool - by drawing heat from the interior, not by blowing in cold air. The geothermal loop that is buried underground is typically made of high-density polyethylene, a tough plastic that is extraordinarily durable but which allows heat to pass through efficiently.
When installers connect sections of pipe, they heat fuse the joints, making the connections stronger than the pipe itself. The fluid in the loop is water or an environmentally safe antifreeze solution that circulates through the pipes in a closed system. Another type of geothermal system uses a loop of copper piping placed underground. When refrigerant is pumped through the loop, heat is transferred directly through the copper to the earth. A ground source heat pumps are sometimes classified as open-system or closed-loop. This refers to the design of the piping system located outside of the home. In an open system a well or a pond is used as the latent heat source. In using this type of system the water is pumped directly from the water source to the primary heat exchanger in the heat pump where heat is either subtracted for heating or added for cooling.
Energy Program on Shared Heating Loop Systems to be held in Springfield Vermont, in a closed loop system the heat is collected by means of a continuous loop of piping that is buried underground. The fluid in the pipes is usually an antifreeze type of solution which extracts the heat from the soil. The antifreeze is then pumped to the primary heat exchange in the heat pump where the latent heat is extracted. One variation on this type of approach is what is called a direct-expansion or DX system. In a DX system the refrigerant runs directly from the heat pump to the underground piping without passing through a heat exchanger. The advantage of this approach is that it requires less electricity and so is about 10-15% more efficient.
A Geothermal heat pump systems usually are not a do-it-yourself kind of projects. To ensure the best results, the piping should be installed by professionals who follow procedures established by the International Ground Source Heat Pump Association (IGSHPA). Designing the system also calls for professional expertise: the length of the loop depends upon a number of factors, including the type of loop configuration used; your home's heating and air conditioning load; local soil conditions and landscaping; and the severity of your climate. Larger homes requiring more heating or air conditioning generally need larger loops than smaller homes. Homes in climates where temperatures are extreme also generally require larger loops.
Energy Program on Shared Heating Loop Systems to be held in Springfield Vermont
Have a good one
Dale in New Hampshire
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Localism information by Baker Energy Audits and Commercial Properties Inspections blog post 1,630- Posted on the 17th of April 2012 at 3:33 P.M. Eastern Time - New Hampshire
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