Technology Snapshot & Benefits:
The growing trend toward "tightening the home" improves a home's energy efficiency by controlling air and moisture movement to and from the home. However, making the home "tight" with poor ventilation can cause the home to retain moisture (which may cause mold) and other factors that compromise indoor air quality. Controlled ventilation systems are a means of increasing the amount of cleaner, fresher air entering the home, without the energy losses associated with simply opening windows.
Estimated Cost Savings:
Systems can capture energy in the exiting air and then transfer that energy to the air entering the home. Product manufacturers should be able to provide cost saving estimates for specific properties.
Issues:
Not all heating, ventilation, and air conditioning contractors have experience installing controlled ventilation systems. Make sure to work with a qualified, experienced contractor.
Installation (Getting It Done):
Systems may cost several thousand dollars. Simplicity is the key to a cost-effective installation. Homeowners should hire a qualified heating, ventilation, and air conditioning contractor with experience installing controlled ventilation systems to get the job done.
More Information On This Topic:
U.S. Department of Energy's Energy Savers: Energy Recovery Ventilation for Residences |