Verify that all window and door seals/weatherstriping is in good shape.
Check to be sure doors and windows are caulked properly (no gaps, cracks or missing).
If you have an attic access, treat it like ... read more
Use a tester to verify the power is off before starting repair. Use pliers with insulated handles. Wrap electrical tape around switch or outlet screws before installing into box. Make sure all devises ... read more