Setting aside the dubiousness of that claim, even low levels of.
The tests all follow the same pattern.
Insufficiently sealed ductwork can be responsible for energy losses of up to 30% of the total usage in your home.
There are many mini air compressors available online, but one should pay heed while buying the one that suits you the most.
We go into detail on the physics of the process in below.
So, buyers were very happy to recommend it to friends and families.