Avoid noise from heatpump outdoor
Helpful guide for private builders
The Bavarian State Office for the Environment (LfU) has published a guide to dealing with noise problems caused by the installation of air-source heat pumps in private houses. In this connection the authority examined individual components of a heat pump regarding noise. Fans are not the only source of noise, but they are responsible for ninety percent of noise problems. During the preparation of the guide, it also came to light that there are considerable differences in the quality of individual products in terms of noise. After all, if all components of an air-source heat pump are optimized in terms of noise, the sound power level should be no more than 50 dB(A). In fact, however, the sound level of equipment on the market can be 70 dB(A) and above.
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Mold grew nearly overnight – Sylvia Bittner couldn’t believe her eyes when she moved the bed in the children’s room to one side. Within two weeks, a dark turf of mold had grown on the wallpaper from the base to a height of forty centimeters. Sylvia had only moved into the rented apartment on the second floor with her family in the summer. The realtor had told her nothing about a mold problem and the apartment had been freshly painted. In late November, mold growth came upon the residents out of the blue. Sylvia picked up the phone and reported the matter to the property manager. When after eight days there was still no remedy in sight, the worried mother of two asked the consumer advice center. The friendly lady on the phone advised her to record the damage with a camera and to put the property management in default in writing. The advicer recommended that the rent payment be made with reservations so that she could later assert claims for repayment. But Sylvia Bittner was not thinking about money at first – she was much more concerned about the health of her children.
