deutschland en Service Technical glossary

Technical glossary

A B C D E F G
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Radiant losses

Energy lost when parts of a heating system radiate heat from uninsulated points or through the insulation. Pipework and uninsulated sections of the domestic hot water and heating systems are particularly affected.

Refrigerant

A liquid used as a heat transfer medium in heat pumps. It absorbs heat when at a low pressure and temperature, and releases heat when it is at a higher pressure and temperature. It condenses and evaporates when undergoing these processes.

Renewable energy

A limitless, environmentally sound energy source. Solar energy in particular has established itself in the private domestic sector, as it can be used to provide the heat for a large proportion of a household's central heating and domestic hot water needs. Weishaupt's comprehensive range provides optimum combinations for any conciveable installation.

Return temperature

The temperature of the heating circuit water flowing back from radiators or floor heaters. As a rule, low temperatures are found in the return. With floor heating systems, the temperature is no higher than 30 °C; with radiator heating systems, it is often not higher than 50 °C.

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