Energy performance standardisation evaluates all measures at the building and building services level that improve energy efficiency. Thermostatic valves are one of the choices, which are considered. To demonstrate their effect, a detached house, a terraced house and an apartment with three different levels of thermal insulation and hydronic heating were evaluated. Variants considered were (1) the fuel, (2) the boiler and (4) thermostatic valves or not. The TRNSYS and BOILSIM tools were used to simulate an Ukkel TRY-year.
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