20 Best Floor Vent Extender Sideways [2024]

Are you looking for the best floor vent extender sideways? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling floor vent extender sideways.

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# Preview Product
1 Eureka Air Under Furniture Magnetic Vent Extender, 1.0mm Thick Premium Material, Fits Floor... Eureka Air Under Furniture Magnetic Vent Extender, 1.0mm Thick Premium Material, Fits Floor...
2 COLIBROX Vent Extender Heat Air Conditioner Register Deflector Adjustable Floor Furnace COLIBROX Vent Extender Heat Air Conditioner Register Deflector Adjustable Floor Furnace
3 Accord APFRDF Adjustable 10-Inch to 14-Inch x 4-Inch Magnetic Floor Register Deflector Accord APFRDF Adjustable 10-Inch to 14-Inch x 4-Inch Magnetic Floor Register Deflector
4 Ventilaider Magnetic Air Vent Extender for Under Furniture, Improved Stronger Plastic Material, Fits... Ventilaider Magnetic Air Vent Extender for Under Furniture, Improved Stronger Plastic Material,...
5 Ventilaider Air Vent Extender for Under Furniture, Includes Installation Tapes, Improved Stronger... Ventilaider Air Vent Extender for Under Furniture, Includes Installation Tapes, Improved Stronger...
6 Liveinu Unique Design Adjustable Reusable Heat and Air Deflector for Vents, Sidewall, RV, Home HVAC,... Liveinu Unique Design Adjustable Reusable Heat and Air Deflector for Vents, Sidewall, RV, Home...
7 Dundas Jafine Extend A Vent Air Deflector Dundas Jafine Extend A Vent Air Deflector
8 Deflecto Furniture Deflector Air Vent Extender, Linking Clips and Tape Included, For Use with Floor... Deflecto Furniture Deflector Air Vent Extender, Linking Clips and Tape Included, For Use with...
9 Ventilaider Vent Air Deflector for Ceiling, 11' Wide, 6' Long, 1.2' Tall, Low-Profile,... Ventilaider Vent Air Deflector for Ceiling, 11" Wide, 6" Long, 1.2" Tall, Low-Profile,...
10 Ventilaider Magnetic Vent Air Deflector for Ceiling, 11' Total Width (Compatible with 10' Wide... Ventilaider Magnetic Vent Air Deflector for Ceiling, 11" Total Width (Compatible with 10" Wide...
11 Miles Kimball Furnace Vent Extender Miles Kimball Furnace Vent Extender
12 Accord APFRDFU Heavy Duty Magnetic Adjustable Air Deflector for Floor Registers, Original Version Accord APFRDFU Heavy Duty Magnetic Adjustable Air Deflector for Floor Registers, Original Version
13 Thick PET Magnetic Under Furniture Deflector Vent Extender Fits 10' and 12' Floor Vent Extends up to... Thick PET Magnetic Under Furniture Deflector Vent Extender Fits 10" and 12" Floor Vent Extends up...
14 Lisol 2 Pack Magnetic Air Deflector Adjustable for Sidewall Vent and Ceiling Registers, Ceiling Vent Lisol 2 Pack Magnetic Air Deflector Adjustable for Sidewall Vent and Ceiling Registers, Ceiling Vent
15 Trenton Gifts Furnace Vent Extender | Air Deflector Trenton Gifts Furnace Vent Extender | Air Deflector
16 Deflecto Adjustable Air Deflector, 10'x 14' (40) Deflecto Adjustable Air Deflector, 10"x 14" (40)
17 Accord APBBDF Adjustable 15-Inch to 24-Inch x 4-1/2-Inch Magnetic Baseboard Air Deflector Accord APBBDF Adjustable 15-Inch to 24-Inch x 4-1/2-Inch Magnetic Baseboard Air Deflector
18 Toe Ductor, Floor Vent Under Cabinet Toe Kick Ducting Kit Toe Ductor, Floor Vent Under Cabinet Toe Kick Ducting Kit
19 Home Intuition Adjustable Magnetic Heat and Air Deflector for Vents, Sidewall, and Ceiling... Home Intuition Adjustable Magnetic Heat and Air Deflector for Vents, Sidewall, and Ceiling...
20 Eureka Air Adjustable Deflector with Neodymium Magnets and High Strength Adhesive Tabs for Floor,... Eureka Air Adjustable Deflector with Neodymium Magnets and High Strength Adhesive Tabs for Floor,...
Bestseller No. 1
Eureka Air Under Furniture Magnetic Vent Extender, 1.0mm Thick Premium Material, Fits Floor...
  • INCREASE COMFORT: Redirects air flow from under furniture into the room for greater comfort and increase energy efficiency. Makes interior decorating...
  • MAGNETIC ATTACHMENT: Patented design (D925,721) uses powerful neodymium magnets to attach Extender to steel vents. Magnets bonded to the extender with...
  • MORE AIRFLOW: 20% wider than competitors for increase airflow and efficiency. Fits a 10" or 12” register and extends up to 33”. Perfect for unique...
  • BETTER MATERIAL: We use 1.0mm thick premium PET plastic which is flexible and durable.
  • BUY WITH CONFIDENCE: We are comprised of a small team of aerospace engineers, right here in the USA, dedicated to provide our customers with the...
Bestseller No. 3
Accord APFRDF Adjustable 10-Inch to 14-Inch x 4-Inch Magnetic Floor Register Deflector
  • Adjustable from 10-in to 14-in
  • Easy magnetic installation
  • Improves heating and cooling
  • Sticks to steel vents only
  • For air deflection
SaleBestseller No. 4
Ventilaider Magnetic Air Vent Extender for Under Furniture, Improved Stronger Plastic Material, Fits...
  • Redirects cool and warm vent air from under your bed, chair or sofa and into the room for your comfort. Low profile design being 1.5" Tall, it will...
  • Extends from 17 inches up to 33 inches and is suitable for floor registers up to 14" wide and made of safer and more durable (thicker) plastic than...
  • Has powerful neodymium magnets attached to the base of the extender which allows you to easily install on any metallic vent registers
  • Material made from the highest quality food grade PET (completely clear) plastic which is much better and healthier to use than others who usually use...
  • Save on your heating and cooling costs all year round. Use under dressers, beds, chairs, couches and much more!
Bestseller No. 5
Ventilaider Air Vent Extender for Under Furniture, Includes Installation Tapes, Improved Stronger...
  • Redirects cool and warm vent air from under your bed, chair or sofa and into the room for your comfort with our low profile design
  • Extends up to 30 inches and is suitable for floor registers up to 11.3" wide (vent end to vent end), 1.2" Tall and made of safer and more durable...
  • Includes double sided tape as well as hook and loop tape that can be used to attach deflector to the floor register whether your floor surface is...
  • Material made from the highest quality food grade PET (completely clear) plastic which is much better and healthier to use than others who usually use...
  • Save on your heating and cooling costs all year round. Use under dressers, beds, chairs, couches and much more!
Bestseller No. 6
Liveinu Unique Design Adjustable Reusable Heat and Air Deflector for Vents, Sidewall, RV, Home HVAC,...
  • Our cold air deflectors are built from heavy duty plastic,help you building an evenly cooled room.Note:Not suitable for heater.
  • Cold Deflector is the perfect way to keep your plants from drying out, as well as anyone who has to sit directly near the vent from roasting...
  • Size:29"x13"/ 75x34cm,Fits large side vents and can be cut to size
  • Easy Installation:Nano Double Sided Tape installation, Removable Traceless Gel Grip Tape,no screws or any other hard work is required.easy to install...
  • Multiple Use:perfect for most Vents, Sidewall, RV, Home HVAC, AC and Ceiling Registers
Bestseller No. 7
Dundas Jafine Extend A Vent Air Deflector
  • The Dundas Jafine Extend A Vent Air Deflector is ideal for redirecting air when a register is located under a piece of furniture
  • Redirects air away from drapes and furniture
  • Adjustable up to 36 inches in length, This register is made from durable plastic
Bestseller No. 8
Deflecto Furniture Deflector Air Vent Extender, Linking Clips and Tape Included, For Use with Floor...
  • The couch feels cold, but you still feel hot? Reinvent your floor vents with our Furniture Deflector Air Vent Extender, which redirects the air from...
  • Package includes an air deflector designed specifically for long and low spaces underneath couches, tables, or other pieces of furniture; Linking...
  • A perfect fit for vents that are up to 11” wide, the deflector measures 11.5” wide and can be extended up to 35” long
  • Suitable for central forced air heating and cooling only; Pair with our registers and other deflectors to get the best temperature for your air
  • Made of clear, polycarbonate material, it blends seamlessly into a room and won't detract from the look of your home
Bestseller No. 9
Ventilaider Vent Air Deflector for Ceiling, 11" Wide, 6" Long, 1.2" Tall, Low-Profile,...
  • HOME COMFORT: Redirects cool and warm vent air from under your bed, chair or sofa and into the room for your comfort. Or simply use it to divert air...
  • VERSATILE FUNCTION: Hook and loop installation tape allows you to but the vent deflector on vent grilles made of any material including wood, plastic...
  • SOFT YET STRONG PLASTIC: Our plastic is of a softer more malleable plastic so that it cannot shatter and yet it is still strong enough so that it can...
  • SUPERIOR FOOD SAFE MATERIAL: Material made from the highest quality food grade PET (completely clear) plastic which is much better and healthier to...
  • ENVIRONMENTALLY FRIENDLY AND SAVES YOU MONEY: Save on your heating and cooling costs all year round. Use under dressers, beds, chairs, couches and...
Bestseller No. 10
Ventilaider Magnetic Vent Air Deflector for Ceiling, 11" Total Width (Compatible with 10" Wide...
  • HOME COMFORT: Redirects cool and warm vent air from under your bed, chair or sofa and into the room for your comfort. Or simply use it to divert air...
  • VERSATILE FUNCTION: Three strong Neodymium Magnets allows you to but the vent deflector on metal vent grilles in any position. It has a low profile...
  • SOFT YET STRONG PLASTIC: Our plastic is of a softer more malleable plastic so that it cannot shatter and yet it is still strong enough so that it can...
  • SUPERIOR FOOD SAFE MATERIAL: Material made from the highest quality food grade PET (completely clear) plastic which is much better and healthier to...
  • ENVIRONMENTALLY FRIENDLY AND SAVES YOU MONEY: Save on your heating and cooling costs all year round. Use under dressers, beds, chairs, couches, on...
Bestseller No. 11
Miles Kimball Furnace Vent Extender
  • Expands from 20" - 36"
  • 11"W x 1"H
  • Unbreakable plastic
Bestseller No. 12
Accord APFRDFU Heavy Duty Magnetic Adjustable Air Deflector for Floor Registers, Original Version
  • For use with floor registers only, not for wall or ceiling
  • Use with central heating and air conditioning only
  • Made of polycarbonate for temperatures up to 212° F (100° C.) 
  • Adjusts from 10-inches to 14-inches
  • Easy magnetic installation works with steel floor vents
Bestseller No. 13
Thick PET Magnetic Under Furniture Deflector Vent Extender Fits 10" and 12" Floor Vent Extends up to...
  • Air redirection - Redirects the floor vent air flow from your bed, sofa and wardrobe..etc into the room instead of limiting the air under your...
  • Fit 10" and 12" vent - The opening with sides is 12 inch wide fits for most standard floor vent well, and you can extend it from 17" to 28" to satisfy...
  • Quality PET Material - PET is durable and has higher strength and stiffness and has broad range of use temperature(from -22℉ to 130℉) which means...
  • Magnetic Design with Tapes - The head of the extender is features with three neodymium magnets for easier attachment to the vent, just put it on and...
  • WHAT YOU GET - Pack of 2 Quality PET Vent Air extender; and if you have any issues, please contact us and we will help you ASAP.
SaleBestseller No. 14
Lisol 2 Pack Magnetic Air Deflector Adjustable for Sidewall Vent and Ceiling Registers, Ceiling Vent
  • Durable and energy efficient air deflector made of sturdy plastic and great quailty magnets, it is adjustable from 10" to 14", it allowing more...
  • Used for sidewall, ceil vent, ceiling Registers or vent and so on, it can help you to direct the air to where you want it for a more comfortable home...
  • How to install: Easy to install with magnetic installation, just need to place this hot and cold air deflector on a metal vent that supports the...
  • The transparent material design makes it suitable for any environment, whether it is family, office, personal space, or even super market, it can be...
  • Package list: 2/4 pack air deflector.
Bestseller No. 15
Trenton Gifts Furnace Vent Extender | Air Deflector
  • REDIRECT AIR FROM A BLOCKED AREA. Circulate the air blocked by furniture
  • SAVE MONEY AND LOWER YOUR ENERGY BILL. Spend less time adjusting your thermostat
  • EASY TO USE. Simply clip onto any vent
  • MEASURES 20"-36" L X 11' W X 1/14" H
Bestseller No. 16
Deflecto Adjustable Air Deflector, 10"x 14" (40)
  • 10" x 14" adjustable wall air deflector
  • For central forced air conditioning only
  • Made of clear polycarbonate material
  • Redirects air for added comfort
  • Saves energy and gives a comfortable, circulated air flow
Bestseller No. 17
Accord APBBDF Adjustable 15-Inch to 24-Inch x 4-1/2-Inch Magnetic Baseboard Air Deflector
  • Adjustable from 15-in to 24-in, Easy magnetic installation
  • Improves heating and cooling, Sticks to steel baseboard registers
  • For use with forced central air systems
  • Inspect magnet alignment with the steel register, If the magnet is not attracting or aligning with external magnetic field, then it may be possible...
  • Painting over existing baseboard diffuser may create a barrier thus reducing the efficacy of the magnet
Bestseller No. 18
Toe Ductor, Floor Vent Under Cabinet Toe Kick Ducting Kit
  • Under Cabinet Toe Kick Ducting Kit (Floor Vent Kit - Unassembled)
  • Fits perfectly under standard 4 inch cavity below a cabinet (Please measure the cavity before purchase to avoid return expense, if in doubt of fit,...
  • Easy installation, no special tools needed, no custom boot required
  • You won't be heating up the cabinet itself - the Toe Ductor will save you time and money by making your heating/cooling system more efficient
  • It will increase performance of heating system by directing airflow out
Bestseller No. 19
Home Intuition Adjustable Magnetic Heat and Air Deflector for Vents, Sidewall, and Ceiling...
  • 5 YEAR MONEY BACK GUARANTEE. You have nothing to worry about because we have got you covered. Our money back guarantee provides you with the comfort...
  • WIDE RANGE OF MOVEMENT. We provide you with the ability to extend and retract between 10” – 16” in order to make sure you still have the proper...
  • LONG LASTING and MONEY SAVING. Our heat and cold air deflectors are built from heavy duty plastic and super strong magnets delivering both quality and...
  • SIMPLE CLASSIC DESIGN. A combination of transparent material and low profile design will make sure your home, office, or personal space doesn’t seem...
SaleBestseller No. 20
Eureka Air Adjustable Deflector with Neodymium Magnets and High Strength Adhesive Tabs for Floor,...
  • INCREASE COMFORT: Redirects air flow for greater comfort and energy efficiency.
  • USE ON ANY REGISTER MATERIAL: Attaches to steel vents with powerful neodymium magnets which snap securely into the deflector using patent pending...
  • ADJUSTABLE: Easily adjusts for register sizes 10”-14”. Stops when extended to maximum of 14” and will not sag or come apart.
  • HIGH QUALITY: Eureka Air Deflector is made using near lens quality polycarbonate plastic which is precisely engineered and manufactured to insure...
  • MADE IN USA: We are a small team of aerospace engineers, who design and manufacture quality products right here in the USA. If not completely...

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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their floor vent extender sideways.
  7. Product Quality: You don’t always get what you pay for with an floor vent extender sideways, sometimes less, and sometimes more.
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FAQ:

Q: How do I use a vent extender?

A: Simply clip a vent extender onto a blocked vent and it will redirect the air to a more open are of a room. Household vents are frequently blocked by furniture, which prevents the air from properly circulating. By moving the air more efficiently, you’ll spend less time adjusting the thermostat and can help lower you energy bill.

Q: How do you use a floor air vent diverter?

A: Floor air vent diverters can be placed over vents that are too close to furniture or other obstacles. Place a vent diverter under furniture to let the air escape from under a table, couch, or bed. Additionally, many older homes have floor vents directly below leaky windows, allowing a lot of heat to escape.

Q: What is the Dundas jafine extend a vent air deflector?

A: The Dundas Jafine Extend A Vent Air Deflector is ideal for redirecting air when a register is located under a piece of furniture New (2) from $16.99 FREE Shipping on orders over $25.00 shipped by Amazon.

Q: How do you keep the vent deflector on the couch?

A: Without it, the heated air goes into the couch, with it the air is able to warm the room. I have found the addition of two small binder clips on either side of the vent work great to hold the vent deflector in place, rather than relying on the small white clip that came with it.