bjo21751
Feb 10, 2010, 06:37 PM
Is it OK to cover return air vent to block cold air
bjo21751
Feb 10, 2010, 06:38 PM
Should a return air vent be covered to block cold air
mygirlsdad77
Feb 10, 2010, 06:39 PM
Normally, no. All returns and supplies should be open (not blocked).