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Renewable Technologies
An ever growing area within the industry showcasing a greater requirement for environmentally conscious products as we see more and more homes being built with alternative energy sources in mind.
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An ever growing area within the industry showcasing a greater requirement for environmentally conscious products as we see more and more homes being built with alternative energy sources in mind.
Biomass is organic material that comes from plants and animals and is a renewable source of energy. Biomass contains stored energy from the sun, plants absorb the sun’s energy in a process called photosynthesis. When biomass is burned, chemical energy is released as heat. Biomass can be burned directly or converted to liquid biofuels or biogas that can be burnt as fuel.
Heat pumps extract low-grade heat energy from the ground, the air or a body of water and compress it into smaller amounts of high-level heat which can be used to heat spaces and water.
ASHP is a highly efficient heating system capable of operating at efficiencies of 300% – 400%, resulting in a reduction in your home’s CO2 emissions.
These pumps obtain their heat energy through pipes buried in the ground. The temperature of the soil, just a metre or two down, is very stable throughout the year. There are two types of systems, Open-Loop GSHP and Closed-Loop GSHP.
Open-Loop Systems remove heat from ground water, which is then pumped through the heat pump where the exchanger takes the low-grade heat from the fluid and concentrates it to a higher temperature. This is then delivered to the domestic hot water systems and/or the space heating system. The water is then returned to the ground where it immediately begins to regain heat from the earth.
Closed-Loop systems obtain their heat energy through pipes buried in the ground. These schemes consist of a closed pipe system filled with thermal transfer fluid in the form of anti-freeze solution. The fluid absorbs heat from the ground which is then passed through the heat exchanger as it travels around the pipe. A key benefit of these systems is that they can be installed virtually anywhere.
For more information about these products please contact our Mechanical Services Department.
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