Beat August heat in Chatsworth by tightening the thermal boundary: seal can lights, insulate hatches

https://holdenerev579.theglensecret.com/why-you-must-seal-attic-air-leaks-fast

Beat August heat in Chatsworth by tightening the thermal boundary: seal can lights, insulate hatches, add radiant barrier, balance ventilation, and fix duct leaks to keep ceilings cool and bedrooms comfortable.