Heat pumps - Geothermal SystemExplanation of the principleNature provides numerous inexhaustible energy reservoirs that are constantly being renewed by natural limitless sources such as the sun, water, and the earth. These sources are not only inexhaustible, but their constant renewal is part of a natural process that does not harm the environment. Accordingly, they offer the possibility of using energy that is natural, ecological and free. The ground stores the energy emitted by the sun’s rays in the form of heat. A ground source heat pump works by capturing this heat contained in the ground and converting it to a usable form. It is then transmitted to your home via a hydraulic system (underfloor heating, radiators, fan coil units, etc.). Depending on the size of the lot available for the ground loop system, two techniques are possible: Horizontal ground loop This is the least expensive and easiest technique. The surface area of the ground loop system depends on the type of soil, the climate conditions and the energy needed to heat your home. You can capture up to 40 watts per sq. metre. Vertical ground loop This technique is used when the lot is too small or difficult to drill. The loops can descend up to 100 m, and several can be places side by side. You can capture up to 60 watts per sq. metre. Alternatively You can also capture heat from an aquifer. An aquifer remains at a constant temperature in all types of weather, resulting in a high COP. See our ground source heating solutions installed in a house. See the product linesGround source heating 3D animationImage principale : Airpac presents our ground source heat pump solution, Sirius, in a real world situation. 1.Horizontal ground loop: The heat is directly extracted from the ground using a closed ground loop system. This solution requires a lot approximately twice as large as the area to be heated. The horizontal loops containing the refrigerant are buried approximately 80 to 120 cm deep and capture heat from the ground. The loops are connected to the geothermal heat pump, which gives the heat back in your home via an underfloor heating system, fan coil units, or low temperature radiators. Vertical ground loop: Here, the heat is extracted from the ground via a closed loop system or from an aquifer. A vertical system requires at least one and sometimes more bore holes, but does not required a large lot. The vertical loops containing a refrigerant are placed 60 to 100 metres deep in one or more bore holes and capture heat from the ground. The loops are connected to the geothermal heat pump, which gives the heat back in your home via an underfloor heating system, fan coil units, or low temperature radiators. 2.The brine/water heat pump inside the house is equipped with a heat exchanger that collects the heat from the underground system. The heat pump compressor multiplies the energy captured, offering coefficients of performance (COP) of more than 4. This unit supplies heat to the entire home via the underfloor heating manifold or the radiator system. You'll have no trouble including this equipment in your home. 3.The underfloor heating system is invisible and creates an appreciable gain in living space. Underfloor radiant heating provides optimal thermal comfort, since the heat is evenly distributed in the room. It is possible to lower the temperature by 2 or 3 degrees without sacrificing comfort, resulting in appreciable savings on your heating bill. Unlike forced-air systems, radiant floor heating doesn’t stir up dust and allergens, so it’s better for your health. Today’s modern systems are perfectly controlled to operate at low temperature and do not cause swollen ankles. Underfloor cooling One of the main benefits of underfloor cooling is that it is invisible. Another advantage is the appreciable gain in living space. Underfloor cooling provides optimal thermal comfort, since the coolness is evenly distributed in the room. 4.An air source heat pump can be connected to an existing low temperature radiator system. This is the perfect solution for partial upgrades or when you are replacing your boiler or want to use it only as an auxiliary heat source. The heat emitters must be sized correctly to achieve maximum comfort. 5.Fan coil units are also compatible with an air source heat pump. Fan coil systems consist of a fan and a coil containing hot water (for heating) or cold water (for cooling) in the case of a reverse cycle system When air is blown onto the exchanger, the heating or cooling power is greatly increased. Fan coils are quiet systems that provide both comfort and performance. The built-in filters eliminate dust and allergens.ApplicationsUse in renovations and upgrades: Ground source heat pumps can be used in renovations and upgrades, to replace your boiler. However, you must make sure that your heat emitters can be used with the water temperature generated by the heat pump. By upgrading your home insulation during the renovation, you can lower the water temperature needed for the heating system. Use in new construction: A low temperature ground source heat pump combined with a low temperature underfloor heating system and/or fan coil units will provide comfortable, efficient heating in a new home. See our ground source heating solutions installed in a house. See the product linesBenefits- Can be used in all types of buildings (new or upgrades) and in all geographic zones - Compatible with your existing heating system (combined with or replacing your boiler) - Reverse cycle systems will heat your home in winter and cool it in the summer - Excellent performance all year long: Because ground source heat pumps capture heat under ground, they are not sensitive to outdoor temperature variations. - Quiet operation: Ground source heat pumps are installed in a utility room and operate without noise. - No components visible outdoors - No emissions, no fuel to store: The energy is taken from the ground, so no fuel is necessary. - Tax credit may be available - Up to 75% savings on your heating bill (depending on your building, the insulation and your existing heating system) - Fast return on investment (between 5 and 7 years) See our ground source heating solutions installed in a house. See the product lines   PLAN DU SITE AIRPACTITRE : Airpac - Qu’est-ce que la Géothermie ? Les pompes à chaleur - GéothermieDESCRIPTION : La Géothermie, un système de chauffage simple, écologique et économique - Les pompes à chaleur - Géothermie LANGUE : 2 - en LANGUE PHP : 2 - en CONTENU : 3 - 4 - 0 HTML : geothermie-html.php
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