Pet Door Products makes life easier for pet owners by providing a cat door window insert that fits right into existing sash windows. This means that pet owners can begin enjoying benefits of their dogs and cats being able to let themselves out at all times of the day and night.
All Extra Large and 22″-25″ adjustment range sales are final, no return. Please simulate the opening (open the window, use duct tape to simulate the opening) to be sure this size is appropriate before ordering.
Our normal 90-day return policy and 15-year warranty applies to Small, Medium and Large sizes as well as all other adjustment ranges
There has been lots of discussion as to why the Endura Flap is such a high performing pet door, but for engineers or those looking for some more technical information here is a 74-page dog door energy efficiency study showing what makes it so special.
Endura Flap Pet Door Warranty
To the original purchaser, Endura Flap Pet Doors warrants this product and all of its component parts to be free of defects in materials or workmanship for a period of 15 years from the date of delivery to the customer.
Endura Flap assemblies employed in commercial kennels are warranted for a period of 3 years.
Damage caused by accident, improper installation, abuse or normal wear, including damage by pets or glass breakage is specifically excluded from this warranty. Defective materials returned to Endura Flap Pet Doors together with proof of purchase, will be repaired or replaced and returned to the customer free of charge.
Features
Popular Cat Flap Window Insert Features Include…
Highly insulating flap with a complete magnetic seal, designed to stay closed in winds up to 50mph. Flap is made out of a polyolefin-based polymer which can keep your home comfortable in temperatures between -40 and 110 degrees fahrenheit
Dual-pane, LoE glass gives you extra insulation for your home, pairs perfectly with newer energy efficient windows
Fits all vertical sliding sash window widths between 22”-43” with a track width of at least 1“
4 sizes available to fit cats to large breed dogs (NOTE: Endura Flap medium, large and extra-large sizes are not recommended for use by kittens or tiny dogs)
3 color options including white, satin, and bronze (very dark brown)
Includes a draft sstopper and weatherstripping for extra insulation and weather resistance
Can be installed and removed in seconds due to the spring loaded design, no tools required
90 day return policy for Small, Medium, and Large sizes as well as all adjustment ranges besides 22”-25”
15 year warranty for all pet doors
100% made in the USA
Replacement Parts and Accessories
Replacement Flap
Locking Cover
Height Extension
Weatherstripping
Draftstopper
Installation Kit
FAQ
Where to Buy Cat Doors Window Insert?
We’d love for you to buy your cat door window insert from us! And we work hard for your business, by offering you:
Our 90-day return period, covering cat door window inserts in all size adjustment ranges other than 22” – 25”
A 15-year warranty on all our pet doors
Materials made 100% in the USA
Window inserts built to keep the cold or heat from entering your home. As compared with the thinner inserts on the market, you’ll experience the benefits of a strong glass-and-vinyl frame, with a weatherproof seal. You’ll reap a return on your investment over the seasons through energy savings
A relationship with a business that cares about the community. We give 5% of our proceeds to support the lifesaving work of the Humane Society of Utah. We continually spotlight a pet who needs a home. We pay the adoption fees, too!
Pet Door Products is also proud to sponsor Make-A-Wish, which grants the wishes of youngsters diagnosed with life-threatening medical conditions.
Which Size Cat Door Do I Need?
A cat will need to use a small or medium door. Measure your cat’s width and height. As shown on our measuring guide, the top of the door flap should be at least as high as the top of your cat’s shoulder. One of these two sizes will fit:
Small Cats:6″ in width by 11″ in height.
Medium Cats: 8″ in width by 15″ in height.
Don’t hesitate to call us if you have any questions. Selecting the right size door will support your pet’s long-term comfort and well-being.
Do I Have Color Choices?
We offer three desirable color options:
White: a perfect match for many home windows.
Satin: a smooth silver, similar to the matte side of aluminum foil.
Bronze: a dark, rich brown hue.
The inserts have a discreet frame design, allowing the maximum area for viewing. A security panel slides smartly over the opening whenever you prefer not to allow pets to go in or out.
How Is the Cat Door Secured in My Window?
Energy-efficient window inserts from Pet Door Products fit right into your sliding glass door. No tools are needed to secure the removable insert with its advanced, spring-loaded design. By installing your window insert yourself, you’ll spend less with our DIY discount, and install it on your time—no coordination with Pet Door Pro required.
For the permanent option, we can replace your window with a new one. We’ll set up an appointment with you for the window replacement. Your new window will have a cat door built right into the glass.
Yes. We ship from Pet Door Products in Utah, straight to your home. Once you place your order, depending on the distance, your new cat door insert may arrive in just three days—and always within a week. Get a jump on the cold weather! Within days, you and your pet will have the freedom and comfort you’ve been wishing for.
Call or text us at (801) 973-8000 to arrange your immediate shipment.
6 reviews for Cat Door Panel Window Insert
Rated 5 out of 5
Jason –
This is an awesome pet door! We are renters and cannot make changes to the home. This allows our cat to come and go, plus we get to take the door with us when we move.
Rated 5 out of 5
Richard –
Pet Door was awesome to work with! We purchased the insert from out of state and they coordinated working with a local company to get it installed.
Rated 5 out of 5
Jelly –
The product and service it’s very excellent. Cat love to go out anytime. Thank you
Rated 5 out of 5
Rojar –
We love our Pet Door! The door itself is really great quality. Our Cats love the freedom to go in and out when they want and I love not having to go open the door every 5 minutes. I highly recommend working with Pet Door Products.
Rated 5 out of 5
Jini –
Great service and help full staff. My cat also love it now my can go out easily. Thank you!
Rated 5 out of 5
Bud –
Great service installing my door. The door seems to be excellent quality and the pet door is very well insulated. Cat loves the door and is in and out all day.
Had a great experience with this door company! If you are looking for cheap this is not the product for you. You would be better off with those flimsy pre-made panels from amazon that take up half of the doorway. This is a great solution if you want to keep the door size but still have a pet door. The door was custom made to my measurements and it fit perfectly. The videos on their website were easy to follow. I ended up not even taking the door off the track to install! Worked with AJ he was very responsive and answered all my questions. Only complaints were cost ($900 with shipping for an 8ft door) and the amount of time to get the completed product (4-6 weeks) for me it was totally worth it!
Joseph Elmer
01:25 18 Sep 20
Pet door products is awesome! I love my dog door and so do my dogs. Text them for a quote and an awesome guy named Skyler helped me out. They came out looked at the door and finalized a price for me. They quickly had it made and it was installed in no time. The gentlemen that came to install it were very professional and very nice. Had a little issue about a month later, AJ and his warranty team were quick to get it fixed. They have been awesome!!!!
Jamin Van Sickle
17:09 17 Sep 20
Was prompted, on time, and very professional. Door is just as advertised and my dogs love it.
Kristine Gracey
02:07 19 Aug 20
If you are shopping for this kind of item, you can’t do any better than going with AJ and Pet Door Products. Take the time to correctly measure your present glass, give the details to AJ, pay the bill and about 3 weeks later your door will arrive. The door is awesome but even better is having full use of the sliding glass door where the old panel dog-door was. No more squeezing through a 9inch slot to get to the patio. Not too many places make these doors and AJ was the best price of the ones I considered doing business with. Make sure you compare apples to apples to understand whose price is really the best. Good luck with your shopping.Dave
Dave Bristow
02:41 10 Jun 20
Pet Door Products is really great. Skylar was great to work with and answered all our questions before we placed our order and spent a great amount of time when he came to do the finally measurements to make sure any other questions we had were answered. We really love the new slider/dog door. Our installer, Jose, was great as well. Very professional and even cleaned our existing door after install. Great communication with everyone that we worked with. Ordered and delivered in the time we were told. We have already recommended them to friends. Thank you all!
michelle briggs
16:32 08 Jun 20
Just got their doggy door and it’s the best thing I have bought. The money was well worth it the door is built good and keeps all wind or air out and the dogs love it. I have an older lab who has trouble moving around and she is able to get in and out of the door with no issues. The door is so well done and the service was awesome very nice people and Skyler was very knowledgeable and respectful. I would give 10 stars if I could and recommend 100%!!
Pam Carter
16:35 03 Jun 20
Skylar and his team mate very knowledgeable and helpful with all of my questions. We have two large dogs who really needed a dog door installed in our sliding glass door. They did an excellent job. We’re really happy with it. We definitely feel we made the right choice choosing this company. They were very professional, fast, and efficient, along with great customer service! We would highly recommend them to anyone needing a dog door put in!
September Jane
22:50 15 May 20
They showed up when they said they would, install was quick and NO mess! They made sure my door locked and asked If I had any questions before they left. The door looks great!
DeAnna Hendrickson
15:39 04 Apr 20
Very professional. I have two dogs that are constantly scratching at the door. We previously lived in San Francisco and had a bad experience with a flimsy dog door. I was impressed that they made the door into the glass. It’s very sturdy and doesn’t seem to let a lot of cold air in. Would recommend to anyone.
Kelly Brinkerhoff
04:39 03 Apr 20
From the first call I made, Pet door products went above and beyond all expectations. The customer service received during purchase, production, shipping and my installation was incredible. Skyler led the process. The product arrived and I installed it the same day. It fit perfect.Our dogs started using it by the next afternoon. My family and our dogs love the product.
Daniel Morsk
18:14 26 Mar 20
More pricey than some other options but we went for it - and glad that we did. After several months (and getting through winter) we just love that our golden retriever can easily come and go as she pleases, while the sliding door stays firmly SHUT - none of this 1/2 open business. The product is solid, the installation we paid for was solid and bottom line it’s hard to imagine not having it. Only complaint was a two week delay on delivery - had to press for updates. But all good - we’d recommend this option hands down.
Jon Watkins
15:38 13 Mar 20
I was so impressed! Their cost was competitive. Skyler was able to come to our home the same day I called. Which was so important for me, because I hate to wait. He was super friendly, and even rushed our order so we could get it a week early. Installation took about 20 minutes and the installation guy was professional. The doggie door flap, and the quality of the material seems top-notch. The 10-year warranty eases my mind on that part as well.Now my dog can sun bathe on our porch to his little hearts content.
Bethany Faden
23:05 27 Feb 20
AJ was great. When we called for a quote he showed up quickly and on time. He was knowledgeable and gave us great info on helping pick the right door. The quality of the door is great! It has made our life much easier and given our dogs the freedom they needed. Only giving 4 stars cause it took two weeks longer to install than was quoted. Otherwise it was a fantastic experience. We love it. Game changer.
Nate Barkdull
18:17 30 Jan 20
I ordered a custom dog door and Pet Door Products had the best price by far! The door has worked great and it seems very sturdy and able to last constant use from our three dogs. They also warranty the door so if anything ever breaks it's covered. What more could you ask for? I am very satisfied!
Derick Turner
21:51 29 Jan 20
We decided to install a dog door in our existing sliding glass door for our new puppy, and I love it. At first I considered getting just an insert door like you could find for sale at Petsmart for less (where you just insert it between your door frame and your regular sliding door), but decided to spend the extra and have the glass actually replaced with new glass and a built in door). This is so much nicer. It's worth the $$ if you are able. My in laws have just an insert on their door, and it's so flimsy in comparison, and shortens the opening of their door so much that it's hard to fit through while carrying anything. Finally having a door installed after the first couple months of constantly letting my dog in and out has been SO MUCH NICER, and he loves the freedom to come and go. The door looks great, the service was great, and the price was very competitive. I'm very glad I got the new pet door installed. We will use it for many, many years.
Abby Hansen
16:48 13 Nov 19
Fast and efficient install! They had the old out and new in, in no time at all. And they disposed of the old! Very professional and great customer service. Would definitely recommend, and will be using them for any future products.
TyLene Puro
20:06 12 Nov 19
I worked with AJ on my pet door. I was impressed with his prompt replies and thorough attention to detail. My dog has the freedom he needs and I have peace of mind with the quality and craftsmanship of the product! More than happy! I love that it functions like a normal door. So nice, safe and convenient!
Elaine Mabey
18:36 12 Nov 19
Great service installing my door. The door seems to be excellent quality and pet door is very well insulated. Dog loves the door and is in and out all day. Service from salesmen AJ was excellent. He will take care of you and get everything right
Gary & Cindy West
19:58 08 Nov 19
They were just great. The installers were on time and did a great job. Everything was cleaned up after they were done. We just love the new pet door!!
Nadine Oliver
19:50 08 Sep 19
Excellent customer service by AJ. Friendly and professional staff with efficient and quality installation. Well done!
Stacy Forbes
17:02 28 Aug 19
I love this door, so do my dogs! They love having the freedom to go outside and come inside when they want.
Jennifer Peterson
19:40 27 Aug 19
Very responsive and polite through the whole process. Did not feel pressured into making a quick purchase, allowed me time to do research and compare costs/options. The product is wonderful, no issues with quality but I've only had it for about a month. Will update if needed.
Trevor Tonks
19:19 27 Aug 19
I was recommended this company by a friend who had a pet door installed and I am glad I was. The consultation and measuring appointment was a breeze. The gentleman who came out was friendly and answered all of our questions. I felt the price was fair. The Turnaround time was fair. The installation was great. It took about 30 min to install the door. The two gentlemen who came to install were friendly and did a great job. It works great. Our dogs and cat use it all of the time to go out back. I am happy with the purchase.
Tom Hughes
19:00 27 Aug 19
We purchased a pet door from advanced window products . We absolutely love the door and the pet door part is great! Everyone was helpful in doing their part to coordinate and get the door installed . The installers were very professional & friendly . I would recommend Advance window products
T Jones
17:25 22 Jul 19
I only have good things to say. The salesman that came to my house was polite and informative. I never felt pressured to make the purchase. The installer were quick and efficient and the door itself is excellent. Highly recommend!
Anthony Nichols
04:37 30 May 19
This service and product literally changed my life. The communication was unbelievable and personalized and the product quality is exquisite. My dogs are both need and have anxiety and the ability to go in and out on their own has helped them so much. Thank you for the amazing product and business
Chris Carter
04:42 20 May 19
Pet Door was awesome to work with! We purchased the insert from out of state and they coordinated working with a local company to get it installed. The whole process went smoothly and I would do it again, if ever needed. 5 stars for this company! Thank you Pet Door Products!
WK Dudley
00:03 09 May 19
Pet Door Products and Advanced Windows were super great to work with. AJ gave me a great, competitive quote and was prompt with my texts and questions. Brad and Jake installed the french doors and window panel, they were on time, worked hard and efficiently and got it done way quicker than expected. Brad was super awesome and knowledgeable and answered all my questions. There was a bit of a mixup with my hardware when my door was manufactured, but bringing it up to them wasn't a problem and they got the hardware I initially wanted on order and en route for the swap out. Would definitely recommend, and I will do business with them again for my window needs.
Hayden Henderson
19:39 03 May 19
This was well worth the money I spent and my dog loves the freedom of coming and going when she wants
Tony Carlsen
18:20 28 Mar 19
They did such an amazing job with out door! We got out door at the beginning of March. It doesn’t let any cold air in, and the dogs love it! AJ was especially easy to work with, and was so responsive! I would recommend this doot to any dog owner!
Nicholas Cash
16:38 27 Mar 19
AJ and his guys were great. Very courteous and very professional. Our pet door fits great and our dog loves it. It's so nice not having to get up to let him in and out. I'm pretty sure he loves the freedom of go in ng in and out on his own. 🙂 Thank you Pet Door Products.
Marc Damron
02:20 24 Mar 19
We love our Pet Door! The entire process from start to finish was so smooth. Everybody we worked with from AJ, the installers, Corey, and Nick, they were all fantastic. Scheduling appointments and the install with them through text made life really easy. They were always on time to every appointment. The install was fast and professional. The door itself is really great quality. It's made a bigger impact than I thought it would. Our dogs love the freedom to go in and out when they want and I love not having to go open the door every 5 minutes. I highly recommend working with Pet Door Products.
Jason Hanks
16:07 18 Mar 19
We have loved our pet door from Pet Door Products! We were so impressed with how it was installed and how seamless it looks. It has been a game changer for us with our dogs!
Megan-Jason Hanks
15:53 18 Mar 19
We love our new dog door. We had the inserts for several years and always experienced drafts in the winter and even had rodients coming in through the crack the insert left. This door is life saving. No more drafts, mice and cold winters! Yay! Only wish we had bought it sooner!
Julie Holman Williams
17:05 09 Mar 19
I would highly recommend Pet Door Products. My experience with them was exceptional from beginning to end. AJ came out to measure my sliding glass door and to go over options to replace my old dog door insert. He was very nice and very professional. Once we had determined the best size and rise for my dogs we put the order in and the turn around time was very short. We got an install date set quickly. The install time for the new glass and dog door was 30 min or less and the installer was very fast and professional as well. The product itself is wonderful! Not only is it much more aesthetically pleasing but it is also so much more convenient to be able to use the whole sliding glass door now. The new dog flap is extremely weather proof and much better than my old one. I no longer have a draft when the weather is bad. My dogs also adjusted to the new door very quickly which was great! We all just love it!
tanya anderson
05:43 06 Mar 19
We have had our door installed for 2 weeks and my dogs absolutely love their new door. We previously just had a temporary insert and the flap was very thin and let a lot of cold air in. The flap from pet door products is thick and nice, it keeps the warm air in and the cold air out. I could not be more pleased with the door, the install, and the company. I highly recommend this company if you are looking to give your furry friends yard freedom!
Jason –
This is an awesome pet door! We are renters and cannot make changes to the home. This allows our cat to come and go, plus we get to take the door with us when we move.
Richard –
Pet Door was awesome to work with! We purchased the insert from out of state and they coordinated working with a local company to get it installed.
Jelly –
The product and service it’s very excellent. Cat love to go out anytime. Thank you
Rojar –
We love our Pet Door! The door itself is really great quality. Our Cats love the freedom to go in and out when they want and I love not having to go open the door every 5 minutes. I highly recommend working with Pet Door Products.
Jini –
Great service and help full staff. My cat also love it now my can go out easily.
Thank you!
Bud –
Great service installing my door. The door seems to be excellent quality and the pet door is very well insulated. Cat loves the door and is in and out all day.