AmazonUp to 85% / 90% heat recovery: ceramic heat exchanger stores exhaust heat and transfers it to the fresh air. Energy class A - lower heating costs from the first heating season, ideal for old buildings, renovations and new buildings.
Up to 85% / 90% heat recovery: ceramic heat exchanger stores exhaust heat and transfers it to the fresh air. Energy class A - lower heating costs from the first heating season, ideal for old buildings, renovations and new buildings.