Recently, more and more attention has been paid to properly insulating our homes. This makes the role of good ventilation more important. This is because better insulation prevents polluted indoor air from escaping through cracks and crevices and reduces the amount of fresh air entering the house. A ventilation system is essential for maintaining a healthy indoor climate, but it can lead to some heat loss, as mainly fresh outside air enters the house. If you opt for a MVHR units, however, you ensure that your ventilation system works effectively together with your heating system. In this blog, we explain exactly how this works.