In everyday life, a quiet diesel parking heater decides whether night-time operation is relaxed or permanently disruptive. In this article, I will show you from my own experience how the volume of a diesel heating system can be reduced in a targeted manner – without experimentation, but with tried and tested solutions. The focus is on the typical sources of noise such as the pump, exhaust gas, intake and hot air fan, as well as specific measures that I have used to make my heaters quieter step by step. The article bundles my experiences from numerous tests, measurements and conversions: from the quieter impulse pump, exhaust and hot air silencer…