The decision is for a heat pump often taken as a function of the existing insulation of the house. From an economic perspective, however, heat pumps are in poorly insulated buildings the most economical. Since this course contradicts the ethos of the primary energy reduction, rehabilitation willing to face the question: First, the first insulation or a heat pump? The completion of both measures is not to finance often. Since the question of the order of energy consultants is usually answered with an unequivocal made first house insulation, shown by the following considerations to starting points, refuting the conventional wisdom and clearly illustrate why you should first install a heat pump, and then to gradually from the savings to insulate the house.
First of all, the relative savings in heating costs
a clear argument for the heat pump. This achieves savings in buildings by 50%. A
average investment for the conversion in stock usually costs € 25,000. Substituting both quantities into the relationship, then an amortization of 10 years to calculate. To repay an insulation measure is similar savings achieved, usually well above 20 Jahre.quelle: Stoltenberg-energie.de
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