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Frost King

Model # AC9H

Internet # 100040822

Store SKU # 259989

E/O 17 in. x 25 in. Inside Fabric Quilted Indoor Air Conditioner Cover

This item has been discontinued.
The Home Depot no longer carries this specific product.

$12.98 /each




Model # AC9H

Internet # 100040822

Store SKU # 259989

Store SO SKU # 1000091815

The Thermwell Products 17 in. x 25 in. Tan Fabric Quilted Indoor. Air Conditioner Cover features a plastic lining that helps stop drafts. Decorative fabric cover that is machine washable for convenient cleaning.

  • Fits most standard indoor air conditioner units up to 17 in. x 25 in.
  • Decorative fabric cover is machine washable
  • Plastic liner helps stop drafts
  • Includes installation tape


Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Unspooled Length (ft.) 
Builders Hardware Product Type 
Color Family 
Beige / Cream 
Warranty / Certifications
Manufacturer Warranty 
1 year 


Rated 4.2 out of 5 by 9 reviewers.
Rated 5.0 out of 5.0 by Don't remove your A/C unit => cover it from inside of home! I used this item last year--for "both" of my air conditioners rated at 5,000 and 6,500 BTU's. This is an "inside" cover and I live in a condo located on a second floor. If not for these covers, I'd need to remove the A/C units and put in an aluminum plate, but that isn't so energy efficient in terms of providing a good cold air seal. This "kit" also comes with a plastic lining and white tape that you put on first. Cut it to the proper size--maybe 2-3" larger than your A/C! This tape is great as when Spring rolls around, it is easy to remove and doesn't leave "any" residue like duct tape would. The quilted outer cover provides some "R" value, but the plastic lining keeps the cold air from infiltrating. I also took dark hand towels and wedged them "under" the A/C's as mine rest about one inch above my floors. Save product wrapper for future purchase reference!!!! August 7, 2013
Rated 4.0 out of 5.0 by does the job so far the product adjusted to the window unit and I could feel it block the wind from entering the room thru the unit body and surround.. September 9, 2015
Rated 4.0 out of 5.0 by Overall a good product. It definitely blocks cold air. The only reason i do not give this product 5 stars is that the tape provided with this packaging which you are supposed to use to tape the foam and the air conditioner cord is practically useless. The tape does not stick. I used packing tape instead. I have had this problem since I started using this product years ago. If you intend on using this cover for more than one season (which you definitely can if you are careful) then I would suggest that you carefully peel off the tape from the styrofoam sheet provided at the end of the winter and keep the foam sheet. The foam is absolutely necessary. I had thrown out and torn up the foam last spring when I took off the cover thinking that I could just buy more however, I was unable to find this foam. I tried using the cover without the foam but it did not work nearly as well. I ended up buying another cover since I could not find the foam. You can definitely reuse the foam sheet if you are careful. This winter has not been very cold but on the few cold nights that we have had, this product has come in very handy. It is even better if you use the cover made my the same manufacturer for the outside of the AC. If you can get to the outside of your AC easily, it definitely helps insulate. My cat loves it too! She sleeps in front of the window by the radiator but before I put on the cover she gave me a disgusted look on one particularly cold night and slept in the hallway instead. I put the cover on and now she is back in front of the radiator. I would also recommend the foam padding for the sides of the AC and even a strip of foam underneath. January 28, 2012
Rated 5.0 out of 5.0 by Yee Hah! Home Depot is wonderful! Last month on my way to a fabric store to buy materials to hand-sew 4 interior window air conditioner covers, I stopped by Home Depot to see if by chance I could buy them this year since last year the item was out of stock/unavailable. EUREKA! They were available on line and I bought them immediately. They arrived yesterday and I installed all four easily. The neutral color works well; the elastic band offers tight but effective flexibility. It's like placing a shower cap on your head except it's for your air conditioner cover inside your home. Some very savvy people were totally unaware such an item exists. My Iowa Stubborn kicked in and I was rewarded. January 7, 2015
Rated 4.0 out of 5.0 by Perfect cover to keep heating bills down We all know this winter has been harsh. These quilted air conditioner covers were a fabulous purchase! February 28, 2015
Rated 5.0 out of 5.0 by this product is keeping me warm product keeps the wind out, made well, easy to install when you have your own durable tape January 28, 2014
Rated 3.0 out of 5.0 by AC Cover It works well, but the inner liner is only good for one season at best October 30, 2014
Rated 4.0 out of 5.0 by Easy to cover Quiletd material keeps the cold out. So easy to put on. It came in just a few days. October 21, 2012
  • 2015-11-26 T10:53:55.883-06:00
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