Who makes the best ridge vent, and what should you look for?
Short answer. Several shingle and ventilation manufacturers make good ridge vents, and the best choice for your roof is usually the one from the same system as your shingles, because that keeps the manufacturer's system warranty simple. Beyond brand, look for an external baffle, a filter or weather baffles, a published net free area per foot, end plugs, and a product made for your roof's pitch.
Features that matter more than the name
- External baffle: a raised outer edge that turns wind into suction and deflects rain. Vents without one leak more in driven rain.
- Filter or internal baffles: stops insects, wasps and blowing debris.
- Published net free area: so the vent can be matched to the attic's exhaust need and to the intake.
- Rigidity: rigid plastic sections resist crushing from foot traffic and cap nails. Rolled mat vents install quickly but must not be overdriven.
- Fastener instructions: clear nail length and nail lines so caps stay on in storms.
- Pitch range: some vents are made for low slopes or for hip ridges.
- Cap compatibility: works with the ridge cap shingles you are using, including thicker high-profile caps.
Why the system matters
Major shingle manufacturers offer enhanced system warranties when a roof uses their shingles plus their own accessories, such as underlayment, starter strip, ridge cap and ridge vent. Mixing brands does not automatically make the roof worse, but it can limit which warranty tier you qualify for. Ask your roofer which warranty you will get and what accessories it requires.
What matters even more
A great ridge vent installed over a slot cut too narrow, with no soffit intake, or alongside leftover box vents will underperform a basic vent installed right. Installation and the intake side decide most of the result. See ridge vent vs box vents and roofing warranties explained.