Lomanco Omni Solar Vent OSV40 14 in. Solar-Powered Attic Vent in Weathered Bronze

Regular price $1,415.00

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Lomanco Omni Solar Vent OSV40 14 in. Solar-Powered Attic Vent in Weathered Bronze


The Lomanco Omni Solar Vent OSV40 is a solar-powered attic exhaust vent in Weathered Bronze with heavy-duty aluminum construction and a 14 in. solar panel, the largest standard panel offered on Lomanco solar vents. Overall size is 26 in. x 20.5 in. No electrician is required, and one vent per sell unit.


Key Features:

  • Solar powered: Runs on a 14 in. solar panel, the largest standard panel offered on solar attic vents, with no electrician required.
  • Proven performer: Described as a proven top performer for solar-powered attic ventilation.
  • Insect screen: Internal screen protects against insect entry.
  • Aluminum body: Heavy-duty aluminum construction stands up to rooftop exposure.
  • Weathered Bronze: Weathered Bronze housing blends with common shingle and trim colors.
  • 10-year warranty: Backed by a 10-year limited warranty.

Specifications Table:

Specification Details
Brand Lomanco
Manufacturer model OSV40WB
Sell unit 1 solar attic vent
Product line Omni Solar Vent OSV40
Color Weathered Bronze
Panel size 14 in. solar panel
Overall dimensions 26 in. x 20.5 in.
Material Heavy-duty aluminum
Power source Solar (no electrician required)
Screen Internal insect screen
Weight 33 lb
Manufacturer warranty summary Limited Warranty (10 year)

Fit and Compatibility:

Functions as a solar exhaust vent in the attic ventilation system; pair with sufficient intake at the eaves or soffits for balanced airflow.数量 depends on attic square footage per Lomanco's ventilation guidance and local code.


Frequently Asked Questions (FAQ):

Q: Does it need wiring?
A: No, it is fully solar powered, so no electrician is required.


Q: What color is it?
A: Weathered Bronze.


Q: How big is the vent?
A: Overall size is 26 in. x 20.5 in., with a 14 in. solar panel.


Q: Is there a warranty?
A: Yes, a 10-year limited warranty is stated by the manufacturer.


Q: Does it keep insects out?
A: Yes, an internal screen provides insect protection.


Q: How many vents do I need for my attic?
A: Follow Lomanco's ventilation calculation for attic area and pair each exhaust vent with adequate intake; local code also applies.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Solar vents like the OSV40 suit roofs where running wiring is impractical, and the 14 in. panel gives strong airflow on sunny days. Always install them with adequate soffit or eave intake, otherwise the fan will pull conditioned air from the living space. Face the panel toward the sun-dominant exposure when possible.

Use fall protection when installing roof-mounted vents and cut roof openings only per the manufacturer's layout instructions.


Install the Lomanco Omni Solar Vent OSV40 in Weathered Bronze for easy solar-powered attic exhaust.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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