The pull chain switch in my whole house attic fan broke and I ended up replacing it on a fairly hot day. While working on it I could not believe the heat coming down through the ceiling grate for the fan.  I got online to look for an economical and easy solution. What’s a whole house attic fan? In case you’re not familiar, this fan is mounted on the ceiling joists in the attic after a hole has been cut out of the ceiling drywall. An aluminum grate is then installed on the ceiling side. The grate has louvers that … Read more…