Attic Ventilation

Proper attic ventilation prevents ice dams, lowers cooling costs in summer, and significantly extends shingle life. Colorado's extreme temperature swings — hot, sunny summers and heavy snow loads in winter — make ventilation more critical here than in milder climates. Without balanced intake and exhaust, attic heat bakes shingles from underneath, and trapped winter moisture causes ice dams and decking rot.

Common signs of poor attic ventilation include hot upstairs rooms, ice dams in winter, frost or moisture on attic rafters, peeling exterior paint near the eaves, and unusually high heating or cooling bills. Premature shingle failure and curling shingles are also red flags. An Excel Roofing inspection includes an assessment of intake and exhaust balance, so you'll know whether your attic is breathing the way it should.

Excel Roofing starts with an assessment of your existing intake and exhaust to find the imbalance. From there we install the right combination of soffit vents, ridge vents, gable vents, or attic fans (solar, electric, or gable-mounted) to move air through the attic correctly. Most installs are completed in a day, and you'll feel the difference in upstairs comfort and energy bills almost immediately.

Attic ventilation upgrades from Excel Roofing typically cost $830 to $3,500 installed. A solar attic fan runs about $999 when installed with a roof (retail $2,375), an electric attic fan about $875 with a roof (retail $2,250), and a gable-mounted fan about $3,500. Final cost depends on the type of vent, electrical work required, roof complexity, and whether intake vents also need to be added or rebalanced.