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Shop by Category
Anchor, Chain & Mooring
Bags
Boats and Motors
Boats and Motors Home
Bargain Bin
Inflatable Boats
Outboard Motors
Rigged Inflatable Boats
Rescue Inflatable Boats
Boat Accessories
Outboard Accessories
Boat Replacement Parts
Boat Trailers & Dollies
Comparison Price Lists
Inflatable Boat Services
Zodiac Wave Inflatable Boats
Boat Trailers & Dollies
Books & Logs
Cabin
Canvas
Clearance
Cleats & Chocks
Clothing & Foul Weather Gear
Deck & Cockpit
Dinghy Accessories
Docking & Fenders
Electrical
Electronics
Engine Systems
Fiberglass & Epoxy
Galley
Gift Certificates
Heating & A/C
Hose & Fittings
Boat Lighting
Line, Cord & Wire Cable
Maintenance
Navigation
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Steering
Ventilation
Watersports & Activities
Winterizing
Zincs & Anodes
All Categories
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Shop by Project
Commissioning
Custom Rigging
Decorate Your Boat
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Ventilation
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Ventilation
Fans
Vents
Heating & A/C
Blower Motors
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Ventilation - Clearance
Ventilation
Key to keeping a boat dry and mildew-free, ventilation at Defender means a wide choice of marine hatches, AC and heating units, windshield parts, and even boat fans. Upgrade your current boat ventilation with parts and vent accessories.
Ventilation is important for the safety and longevity of your boat.
Moving the air inside your boat is paramount to preventing mildew, mold, and unwanted smells down below. But have you considered the importance of removing built-up fumes in the bilge? Passive ventilation alone can prevent the build-up of vapors which are byproducts of boat power systems.
How many types of boat ventilation systems are there?
Some experts cite three different ways to ventilate your boat. Passive ventilation includes natural wind and can be augmented with hatches and cowl vents. Mechanical ventilation includes boat heat and AC systems. Mixing your boat ventilation system could be as simple as adding fans to increase airflow.
Improve that air flow!
Defender offers airflow options for the DIYer and expert mechanic alike. Boat air conditioning and heating units complete with ducting and all vents control the climate in the cabin including staterooms. Boat hatches in several shapes and sizes should be professionally installed unless you are truly handy! New ports, fans, windshields, and an array of parts and accessories for boat ventilation systems are all available.