Heat Recovery Unit VL-50S2-E, Mitsubishi

With a noise level down to an incredible 15 dB, it makes the VL-50 one of the quietest ventilations on the market. At the same time, it is a simple installation as only one hole in the wall is required. You can also replace your existing fresh air intake. The VL-50 has a temperature efficiency of up to 85% and is powered by only 4W which makes it cheaper than charging your mobile phone. In addition, you can choose whether to sit horizontally or vertically, everything to fit in your home.