MAGNETIC MAGIC - Powerful magnets ensure a secure, no-slip attachment that stays put without damaging surfaces.
DURABLE CLEAR - Made from heavy-duty, unbreakable clear plastic that blends seamlessly with any decor.
SEASON SMART AIRFLOW - Curved design directs warm air down in winter and cool air up in summer for year-round comfort.
EFFORTLESS INSTALLATION - No tools or batteries needed—just snap it on and enjoy optimized heating and cooling instantly.
CUSTOM FIT FOR EVERY VENT - Easily extends from 10" to 14" to perfectly fit your central air vents on floors, walls, or ceilings.
The Frost King HD5 Heat and Air Deflector is a versatile, adjustable vent accessory designed to optimize airflow from central forced air systems. Its curved, magnetized design directs warm air downward in winter and cool air upward in summer, enhancing heating and cooling efficiency. Made from durable clear plastic, it fits vents from 10 to 14 inches and installs easily without tools or batteries.
Specifications
Manufacturer
THERMWELL PRODUCTS
Part Number
HD5
Item Weight
4 ounces
Item model number
HD5
Is Discontinued By Manufacturer
No
Size
1 Count (Pack of 1)
Color
Clear Plastic
Style
10", Extendable to 14"
Material
Heavy Duty Plastic
Shape
shape
Voltage
1 Volts
Wattage
1
Installation Method
Split System
Item Package Quantity
1
Special Features
Curved Design, Powerful Magnets, Unbreakable, Lifetime Guarantee Against Breakage
Included Components
Heat deflector
Batteries Included?
No
Batteries Required?
No
Warranty Description
No_warranty
Capacity
10 Liters
Cable Length
204 Inches
Have a Question? See What Others Asked
can i use this on a wall mount electric fireplace vent?
How tall is this? Our floor vent is under a piece of furniture and we have 21/2" clearance.
Does it stick on painted ceiling registers?
I have 13" vent, will this fit? anyone know the dimensions?
Reviews
4.1
All from verified purchases
J**F
Does its job well
This is exactly what it is, nothing more, no frills. It does its job as expected. Initially, the plastic seems to be high density (more fragile), but I have had these drop from the 8 foot ceiling height of the vent and not crack – not even the small guidance channels along the edges which allow it to expand or contract to the vent size of your choice (YMMV). That said, it fell by being knocked off accidentally – the magnets are strong enough to hold it in place on a ceiling vent, but not too strong to easily reposition or remove.
D**S
This A/C Deflector is a great item w/ great Price! There're others like it for double the price!
This Same EXACT A/C Deflector by Frost King is a deal at only $5.48 here on Amazon. There is a Home Intuition A/C deflector that is simply repackaged and has a nice thank you card inside and IS THE EXACT SAME A/C Deflector as this Frost King IN EVERY WAY for more than DOUBLE for $11.95 I ordered both thinking there was a slight Quality or shape difference between the two A/C Deflectors but both are exactly the same in every way. This Frost King is $5.48 and the Home Intuition is $11.95 just repackaged. This Frost King is excellent and works great and is not over-priced. I hope this helps someone!
M**E
Fragile, but great price and work very well
I have bought a lot of these, probably a dozen, and really like them. Keep in mind they're fragile though.If you put them on floor vents like i do, they are really clear and hidden from view for the most part. So i have easily stepped on one. They shatter like a charm. If you're not in a relaxing, clean, and blissfully quiet child-free house like mine, you'll probably have these broken or in pieces.That said, they work great, the price is awesome!
J**C
It does what it is suppose to
Got this to redirect airflow from a ceiling register. Strong magnets and easy to adjust to fit over the opening. A little flimsy but not good for my installation. Would consider something thicker for floor or wall registers in case you stepped on it or walk into it.
B**Y
Does what it says, but it is very flimsy
I have to give it credit. It is very easy to work with. Two magnets that stick to the metal grill for the vent. Well, if they all came non-damaged that is. I ordered 3 of these, 2 of which came undamaged. If you are looking for something sturdy, turn away. These are thin and will break rather quickly. You get what you pay for. Few problems with the design that I see.1. The plastic is cheap and will not stand the tests of time.2. The device extends to match the size of the vent, but does not have a stopper. This means it will come apart very easily.3. The magnets hold, just barely, but they hold. There are stronger magnets out there for cheap. This was a bad selection.4. The magnets are on the plastic on a thin lip, this lip is a break point and will snap easy.If you have kids or a dog. get something stronger. This is a break hazard waiting to happen. They are cheap and do the job, but they will break. It is only a matter of time.
D**.
It is a Joke
It is cheap, and you will get what you pay for. I had to return it since it is a thin cheaply made plastic.Not worth to buy it. Pay a little more and get a better one.
S**G
Works fine
I read the reviews so I was hesitant to buy it. But it's just fine. It's exactly what it says it is. The size is correct, it seems sturdy to do the job it's designed for and the magnets stick well to the register. I disagree with the bad or mediocre reviews. I'd buy another one if another room needs one.
J**.
This is a great economical heat deflector for those who want to divert ...
This is a great economical heat deflector for those who want to divert airflow without having to spend a lot of $$$$. This item is great for home/office use. I would recommend another product for those who want deflector in high impact environments. The supplied magnets do the job of holding the deflector in place whether side/floor mounted, I would recommend supplying your own magnets if you expect frequent bumps against this product.Pros:Sturdy, extendable plastic (10-14in)Good magnets - does the job of holding the deflector in place whether mounted sideways or on the floor,Will not melt under normal heating conditionsCons:The deflector only covers half a standard vent but does not deter from deflector air flow efficiently from what I have experienced.*You may want to get a different kind of deflector if you expect to be experiencing frequent bumps or extreme heat beyond the norm within home/office use.In the end, this is a great heat deflector that will do the job at a cheap price.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Farhan Q.
The delivery time was excellent, and the packaging was secure.
2 months ago
Imran F.
Very reliable shop with genuine products. Will definitely buy again!
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That said, it fell by being knocked off accidentally – the magnets are strong enough to hold it in place on a ceiling vent, but not too strong to easily reposition or remove."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"D***S"},"datePublished":"June 17, 2022","name":"This A/C Deflector is a great item w/ great Price! There're others like it for double the price!","reviewBody":"This Same EXACT A/C Deflector by Frost King is a deal at only $5.48 here on Amazon. There is a Home Intuition A/C deflector that is simply repackaged and has a nice thank you card inside and IS THE EXACT SAME A/C Deflector as this Frost King IN EVERY WAY for more than DOUBLE for $11.95 I ordered both thinking there was a slight Quality or shape difference between the two A/C Deflectors but both are exactly the same in every way. This Frost King is $5.48 and the Home Intuition is $11.95 just repackaged. This Frost King is excellent and works great and is not over-priced. I hope this helps someone!"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"4.0"},"author":{"@type":"Person","name":"M***E"},"datePublished":"January 20, 2014","name":"Fragile, but great price and work very well","reviewBody":"I have bought a lot of these, probably a dozen, and really like them. Keep in mind they're fragile though.If you put them on floor vents like i do, they are really clear and hidden from view for the most part. So i have easily stepped on one. They shatter like a charm. If you're not in a relaxing, clean, and blissfully quiet child-free house like mine, you'll probably have these broken or in pieces.That said, they work great, the price is awesome!"},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"J***C"},"datePublished":"January 9, 2022","name":"It does what it is suppose to","reviewBody":"Got this to redirect airflow from a ceiling register. Strong magnets and easy to adjust to fit over the opening. A little flimsy but not good for my installation. Would consider something thicker for floor or wall registers in case you stepped on it or walk into it."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"3.0"},"author":{"@type":"Person","name":"B***Y"},"datePublished":"June 21, 2014","name":"Does what it says, but it is very flimsy","reviewBody":"I have to give it credit. It is very easy to work with. Two magnets that stick to the metal grill for the vent. Well, if they all came non-damaged that is. I ordered 3 of these, 2 of which came undamaged. If you are looking for something sturdy, turn away. These are thin and will break rather quickly. You get what you pay for. Few problems with the design that I see.1. The plastic is cheap and will not stand the tests of time.2. The device extends to match the size of the vent, but does not have a stopper. This means it will come apart very easily.3. The magnets hold, just barely, but they hold. There are stronger magnets out there for cheap. This was a bad selection.4. The magnets are on the plastic on a thin lip, this lip is a break point and will snap easy.If you have kids or a dog. get something stronger. This is a break hazard waiting to happen. They are cheap and do the job, but they will break. It is only a matter of time."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"1.0"},"author":{"@type":"Person","name":"D***."},"datePublished":"July 12, 2024","name":"It is a Joke","reviewBody":"It is cheap, and you will get what you pay for. I had to return it since it is a thin cheaply made plastic.Not worth to buy it. Pay a little more and get a better one."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"S***G"},"datePublished":"June 18, 2021","name":"Works fine","reviewBody":"I read the reviews so I was hesitant to buy it. But it's just fine. It's exactly what it says it is. The size is correct, it seems sturdy to do the job it's designed for and the magnets stick well to the register. I disagree with the bad or mediocre reviews. I'd buy another one if another room needs one."},{"@type":"Review","reviewRating":{"@type":"Rating","ratingValue":"5.0"},"author":{"@type":"Person","name":"J***."},"datePublished":"October 10, 2014","name":"This is a great economical heat deflector for those who want to divert ...","reviewBody":"This is a great economical heat deflector for those who want to divert airflow without having to spend a lot of $$$$. This item is great for home/office use. I would recommend another product for those who want deflector in high impact environments. The supplied magnets do the job of holding the deflector in place whether side/floor mounted, I would recommend supplying your own magnets if you expect frequent bumps against this product.Pros:Sturdy, extendable plastic (10-14in)Good magnets - does the job of holding the deflector in place whether mounted sideways or on the floor,Will not melt under normal heating conditionsCons:The deflector only covers half a standard vent but does not deter from deflector air flow efficiently from what I have experienced.*You may want to get a different kind of deflector if you expect to be experiencing frequent bumps or extreme heat beyond the norm within home/office use.In the end, this is a great heat deflector that will do the job at a cheap price."}],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.125,"bestRating":5,"ratingCount":8}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"can i use this on a wall mount electric fireplace vent?","acceptedAnswer":{"@type":"Answer","text":"Maybe with an electric fireplace, however this is not that wide.\n If it’s A magnetic front, and not very big, check the measurements, it might work."}},{"@type":"Question","name":"How tall is this? Our floor vent is under a piece of furniture and we have 21/2\" clearance.","acceptedAnswer":{"@type":"Answer","text":"Actually mine is on the ceiling and drops no more than 3\" from the ceiling. I have a Galley kitchen and there is no need to have heat skewing out the sides onto the cabinets."}},{"@type":"Question","name":"Does it stick on painted ceiling registers?","acceptedAnswer":{"@type":"Answer","text":"Yes."}},{"@type":"Question","name":"I have 13\" vent, will this fit? anyone know the dimensions?","acceptedAnswer":{"@type":"Answer","text":"Frost King HD5 Magnetic Heat and Air Vent Deflector 10\" to 14\"."}}]}]}
