New homes are very airtight, so you need to ventilate to remove the buildup of moisture, carbon monoxide, and all the other pollutants. It just doesn't make sense, if you invest in a new home build and you don't create a healthy living environment. Mechanical heat recovery ventilation swaps the dirty air for clean air, but it also retains up to 95% of the home heating. This provides a very dry home, mitigates your cleaning, protects your furnishing, minimizes your home heating requirements, and saves a considerable amount of money on your power operation. So it's a wonderful option, and it also has a summer bypass, which pushes all the hot air out during summer, which cools the home. Now The Heating Company has a number of heat recovery options, including Lunos, a German system, that sits in the wall cavity, not the ceiling cavity.