Contemporary energy-efficient homes are wrapped, insulated and sealed so completely that a ventilation system is necessary. When your windows and doors are closed, almost no outside air can enter the home without mechanical help, and fresh air is necessary in order to maintain the air quality in your home.
A Ventilation System Will Boost Your Air Quality; Some Deliver More
A Ventilation System Will Boost Your Air Quality; Some Deliver More
December 3, 2013