Choose a highly rated dryer to find the best one for you. All heat pump dryers on this page have been tested and awarded ratings by organizations such as Stiftung Warentest (StiWa for short) or ETM Testmagazin. The tests evaluate factors such as how fast, environmentally friendly, energy-efficient, and silent a dryer is. All dryers tested by Stiftung Warentest receive a rating. In addition, the test winners are given an award. If you choose a heat pump dryer with a good or very good rating, you can be sure that you're buying a reliable appliance.