Whether dBEL.Energy or dBEL.HVAC: the report is the central outcome of every project. It serves as a basis for communication with authorities,…

“The heat pumps work so quietly that even your neighbor will like them.” This statement can be found on the website of one of the largest heat…

dBEL’s acoustic expertise can also be used in everyday life. The mobile app can measure volumes at any location. At parties or concerts, for…