Challenge: 1970s tract home with original three-tab shingles causing attic temperatures exceeding 140°F. City of Citrus Heights permit required; owner wanted Title 24 cool-roof compliance. Solution: Single-day complete tear-off and installation of Owens Corning Duration COOL shingles. City permit pulled in advance, final inspection coordinated, and permit closed same week. Results: Attic temps dropped ~25°F. Title 24 compliance documented. City of Citrus Heights permit closed same week. Utility rebate documentation provided Customer review: "Done in a single day, permit handled, AC bill dropped immediately. The Citrus Heights permit office actually knew them by name." — Rachel S.