In the summer or cooling season, the upper vents should be open to return the rising hot air and keep cool air from falling. Conversely, in the winter the bottom vents should be open to pull hot air down and the cold air off of the floor.
https://www.ezimmerman.com/wp-content/uploads/2017/06/ez-logo.jpg 0 0 Tim Kortze https://www.ezimmerman.com/wp-content/uploads/2017/06/ez-logo.jpg Tim Kortze2019-03-01 14:19:202019-03-01 14:19:20When Should I Open My Top/Bottom Wall Return Vents?
SIGN-UP FOR UPDATES
Email addresses will be used exclusively by Zimmerman P & H.
M-F: 7 am - 5 pm
Sat. 7 am - 12 pm