If you’re looking for the best dryer vent draft blocker to buy online, you’ve come to the right place. In this article, we’ll take a look at some of the best affordable dryer vent draft blocker you can buy, based on extensive research and physical reviews.

We’ve spent a lot of time carefully selecting and reviewing the dryer vent draft blocker, so if you want to know all the details, make sure to read the article carefully from start to finish.

Best dryer vent draft blocker

Our Recommended Best dryer vent draft blocker Reviews (2022)

Rank No. 1
DUNDAS JAFINE DB4ZW Dryer Vent Draft Blocker
  • Package Dimensions: 5.588 H x 14.478 L x 11.684 W (centimetres)
  • Package Weight: 0.15 pounds
  • This product is moulded from high impact plastic
  • Country of Origin : Canada
Rank No. 2
Vent Systems 4'' Inch Backdraft Damper - Backflow Shutter - Heavy-Duty Inline Springs Loaded -...
  • Back draft damper for insertion into 4 inch ventilation ducts. The backflow damper opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct
  • A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel
  • Designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications. Best to use with VENT SYSTEMS HVAC parts.
  • Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside.
  • The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
Rank No. 3
Vent Systems - 4 Inch Backdraft Damper - One-Way Airflow - Inline Fan Vent Deflector
  • Back draft damper for insertion into 4 inch ventilation ducts. The backflow damper opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct
  • A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel
  • Designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications. Best to use with VENT SYSTEMS hvac parts.
  • Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside.
  • The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
Rank No. 4
Everbilt 4 in. Draft Blocker
  • Helps to keep the cold air out of the home when the dryer or fan is not in use
  • Fits all 4 in. ducts
  • Made of polypropylene
  • For use in dryer and bathroom fan venting applications
Rank No. 5
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow...
  • 【Material】The 4 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel.
  • 【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
  • 【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use.
  • 【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications.
  • 【Note】Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different.
Rank No. 6
Dryer Vent Cover Outdoor Mouse Bugs Proof Save Energy Laundry Dryer Vent Closure Kit, Suit for...
  • SAVE MONEY & ENERGY: One of the main functions of this dryer vent cover with guard is to keep cold or hot air out of your house. Laundry room is no longer a meat locker in winter! Its energy efficiency will also be a plus. It fits 4 inches tubes.
  • REFUSE ANIMALS: The inner flapper rise up and allows air to escape when the dryer is pushing air, and when the dryer is off, the flapper fall down and seals perfectly by being 100% in line with gravity. It can keep insects, animals, and drafts out of your house.
  • MAKE YOUR OWN DESIGN: This outdoor dryer vent cover is made of plastic, which is not UV resistant. You can paint it for UV protection. Besides, painting it to match your house color is fun.
  • FAIRLY EASY INSTALLATION: Featuring a square base with pre-drilled holes, the vent cover must be installed in a vertical position and you can use caulk or foam adhesive to seal the holes you make!
  • WORKS WELL IN THE BAD WEATHER: Operates well on cold, rainy, snowy days. It can block cold air to protect your washing machine pipes from freezing.
Rank No. 7
Heartland Natural Energy Saving Dryer Vent Closure - Outside Heartland Dryer Vent Cover Adapts to...
  • HIGH QUALITY VENTILATION – Protect your wallet, energy, and home with the Heartland Natural Dryer Vent Closure. With self-sealing construction, this vent cover pushes conditioned air back into the home and keeps the cold air out season after season.
  • EASY TO INSTALL - Quickly replace your old vent with the Heartland Natural Vent in less than 30 minutes. Featuring a square base with pre-drilled holes for simple, user-friendly assembly, the vent cover must be installed in a vertical position.
  • SAVES MONEY & ENERGY – This dryer vent closure saves you time and money. This energy-saving closure is designed to keep conditioned air in the home and prevent any unwanted guests out. Do your wallet a favor with the Heartland Natural Vent.
  • SPECIFICATIONS - The Heartland Natural Dryer Vent Closure is 13.2 x 7.4 x 6.7 inches in size and weighs 1.8 pounds. This versatile vent closure can be mounted to brick, masonite, and press board.
SaleRank No. 8
Deflecto Supurr-Vent Louvered Outdoor Dryer Vent Cover, 4" Hood, White (HS4W/18)
  • Tired of constant buildup in your outdoor dryer vents? Our Supurr-Vent Louvered Outdoor Dryer Vent Cover keeps unwanted pests and outdoor elements at bay so you can dry all day
  • Package includes a dryer vent cover with curved louvers that stay quiet even when they open wide for maximum exhaust flow
  • Easily fits over your vent opening and can be quickly secured with 4 screws (sold separately)
  • Made from durable and weather-resistant plastic with UV inhibitor added to hood to prevent sun damage and cracking
  • Durable and weather-resistant with UV inhibitor added to hood to prevent sun damage and cracking
SaleRank No. 9
4" Outside Dryer Vent Covers for House for Exterior Wall Vent,Includes Aluminum pests Guard screen...
  • ☻[Function]:Upgraded Louvered Outdoor Dryer Vent Cover with pests guard inserts is designed for maximum airflow when venting a clothes dryer.It's a Great home improvement to help keep your dryer vent clear of unwanted pests and outdoor elements.Suitable for dryer or bathroom fan venting and Prevent the cover from fading damage and cracking due to sun exposure.
  • ☻[Premium Material]:The 4" Louvered outdoor dryer vent cover made of high quality durable plastic structure,with UV inhibitor added to reduce fading due to exposure in sunlight. Aluminum alloy screen pests guard with durable,waterproof and rustproof material to ensure long lasting and effective use.
  • ☻[Universal Fit]:Tight fits for 4-inch pipe diameter /vent opening, the outside dimensions of the cap cover plate is 5.8”x5.8”.
  • ☻[Easy To Install&Clean]:Easy to install with ease for maximum exhaust flow,Only need remove the 2 blades and take out the aluminum alloy dryer vent grill for easy cleaning.
  • ☻[Service Guarantee]:Our company attaches great importance to the shopping experience of each customer.If you have any questions with the product,please feel free to contact us.We will answer you as soon as possible.and if not satisfied with this 4'' louvered outdoor dryer vent cover, contact us for replacement or full refund.
Rank No. 10
Hon&Guan 4 inch Blocker Backdraft Damper, 4 inch Ducting Draft Blocker Insert Backflow Preventer...
  • 【Material】The 4 inch backdraft damper and the flap leaves is made of a Galvanized steel, the Axis are made of aluminum, while the spring are made of carbon steel.
  • 【Installation method】The position of the spring should be horizontal for horizontal installations so that it can open and close optimally
  • 【Wide applications】Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications.
  • 【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow.
  • 【Backdraft Shutter】Hon&Guan Draft Blocker designed to improve ventilation by preventing air from re-circulating when the fans are not in use, rubber ring ensure 100% closure and quiet closing.

The best way to find the right dryer vent draft blocker for you is to do your research and read reviews. This article was created with the hope that you will be able to find the best dryer vent draft blocker to suit your needs. We wish you the best of luck in your search and remember to share this article with your friends.

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