10 Best Cat Door For Window

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When it comes to providing your feline friend with access to the great outdoors, a cat door for a window can be a convenient solution. However, with so many options available on the market, finding the best one for your specific needs can be a daunting task. That’s where we come in.

We have carefully researched and evaluated numerous cat doors for windows to bring you a list of the top 10 products currently available. Our selection process involved considering factors such as durability, ease of installation, security features, and overall customer satisfaction.

By narrowing down the options to the best of the best, we aim to save you time and hassle in your search for the perfect cat door for your window. Whether you’re looking for a simple and affordable option or a more high-tech solution, our list has something for every cat owner. Say goodbye to the frustration of endless scrolling and let our curated list guide you towards the ideal cat door for your furry companion.

Top 10 Cat Door For Window In The Market

Cat Door For Window Reviews

Bestseller No. 1
Ideal Pet Products Aluminum Sash Window Pet Door, Adjustable to Fit Window...
  • High quality white finish aluminum construction installs easily into most aluminum sash window styles. Minimum sash window height requirement is 15.0625"
  • Locking rigid flap is made of unbreakable clear Lexan to allow pet to see through opening and is non-toxic for added safety
  • Flap Size: 7-1/2” x 10-1/2”. Recommended for pets 2 to 25 Pounds
  • Chubby Kat has a 4-way locking knob that you manually turn to desired position: in only, out only, free in/out and locked.
  • Elegant white aluminum finish: Crafted with high-quality materials, it's not just durable but also adds a touch of elegance to your window.
Bestseller No. 2
Cat Door for Windows by Cat Flap Fever - Lockable Insert Custom Sizes for...
  • Custom Fit For Your Specific Window - Custom cut to ensure a perfect fit in your window tracks. When you order, you’ll be prompted to provide your window dimensions so we can build your cat door to the exact specifications of your window.
  • Easy Install & Removal - Cat door installs in minutes with no tools required and is easily removable.
  • Safe & Secure - We offer multiple flap options including small locking, large 4-way locking, and microchip locking. The microchip option is designed to prevent unwanted entry of stray pets by allowing only programmed pets entry while allowing any pet to exit. This can be connected for multiple cats.
  • 1/4" Plexiglas Base + Locking Flap - Our standard plexiglass base is 12" cut to the width or height of your window. We recommend plexiglass for base sizes up to 48" to protect the integrity and stability of the door. For doors longer than 48" our PVC option is the best choice.
  • Get Your Exact Measurements - For horizontal windows (which open up and down), measure from the inside of the track on the left side to the lip of the window on the right side. For vertical windows (which open side to side) measure from the top of the inside of the track to the very bottom. See images and videos on listings for demonstrations.
  • Because this is custom built just for your window, we cannot accept returns. HOWEVER, most issues can be easily remedied and we'll make sure of it! Please be certain to reach out and our wonderful Customer Service Manager. You can call, text or email. We only want happy customers!
Bestseller No. 3
Whiskers & Windows Cat Door for Horizontal Sliding Windows | Great for Cats |...
  • QUICK AND EASY INSTALLATION: Simple to install with only a flat-head screwdriver required to adjust the spring loaded height adjustment piece
  • VERSATILE DESIGN: Height is adjustable up to 3 inches to fit most horizontal sliding windows; available height ranges of 34"-37", 43"-46", and 46"-49"; fits windows with a minimum 1" width track
  • LARGE PET DOOR FLAP: Large cat flap measures 7-1/2" x 8" and is suitable for cats and small dogs up to 15 lbs; tinted flap provides visibility for your pet while maintaining privacy
  • COST EFFICIENT DURABILITY: Corrosion resistant aluminum frame with plastic pet door for long-life even with daily use
  • FLEXIBLE SECURITY: Built-in four-way locking mechanism provides multiple options for access: fully locked, in-only, out-only, or unlocked
Bestseller No. 4
Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4...
  • Freedom & Convenience - Through the great cat door, your cats or small dogs can go in and out easily and quietly. They won’t feel trapped and you no longer bother to open or close the door for them.
  • Safer with 4 Lock Modes - By slide the switches, you can adjust the access mode to Free In & Out, Fully Locked, Out Only, In Only, control your pet’s access and keep away stray animals.
  • No Tunnel Part, No Need to Cut - The panels are only 0.78in thick and tightly fitted, suitable for windows, wooden door and sliding glass door, etc. With 7.7 x 7.5in outer size, 6.7in x 6.3in flap, the cat door for window great for cats and small dogs with waist circumstance shorter than 19.8in.
  • Durable & Comfortable - Made of sturdy ABS plastic, the cat door interior door is ready to serve your pets for long time. With sealing well strip, magnet for aligning, it can keep away bugs and the smell of cat litter, reduce the loss of cold air in summer and the loss of heat in winter.
  • Simple Installation - Package includes detailed instructions(with templates on), 8 screws and their caps, double-sided tapes. You can cut the template off and install the cat door for sliding glass door easily.
Bestseller No. 5
Patio Pacific Inc. Cat Door for Horizontal Sliding Windows with Small Vinyl Pet...
  • ADJUSTABLE FIT FOR WINDOWS: this pet door is designed for horizontal sliding windows and offers an adjustable fit to accommodate various window sizes; small flap measures 5-1/8" x 8-1/4" and is ideal for cats and small dogs
  • DURABLE ALUMINUM FRAME & VINYL FLAP: cat door features a sturdy, weather-resistant aluminum frame for a long-lasting and reliable pet door solution; for additional weather-proofing consider weather stripping or foam tape for a tight seal in your window
  • SECURITY COVER FOR PET ACCESS CONTROL: includes a press-fit locking cover that allows you to restrict your pet's access when necessary; easy control over access to the pet door to prevent unwanted intruders or control when your pet can come and go
  • PET-FRIENDLY DESIGN: The lightweight vinyl flap is easy for cats and small dogs of all sizes to push through, granting them the freedom to come and go as they please, ensuring their comfort and happiness.
  • IDEAL FOR RENTERS AND VACATION HOMES: the low-impact installation method is ideal for renters or vacation homes, as it can be easily removed when needed without causing damage to the property
Bestseller No. 6
Depets Large Cat Door (Outer Size 9.9" x 9.2"), 4 Way Locking Cat Flap Door for...
  • 4 Switching Modes: Depets cat door interior door has four independent models to lock with switches - swing out only, in only, both in and out, and fully locked, easy control of your pet's in and out
  • Applications: Outer size: 9.25" x 9.92" x 2.16"(W x H X D), Inner size: 7.08" x 7.48"(W x H), Cut-Out Size: 7.7" x 8.3" (W x H). This cat door exterior door is for cat lighter than 17.64 lb and waist circumference shorter than 23.62"
  • Easy To Install: Complete instructions included, you can easily install our doggy door in windows, doors, cupboards etc.
  • Thoughtful Design: Transparent flap let pet see through the pet door. Exterior screen is water resistant. Brush strip reduces noise from the door closing
  • Assured Quality: Made of ABS plastic, weather-resistant, the surface of this window cat door is smooth and durable
Bestseller No. 7
Patio Pacific Pet Door for Sash Windows | Adjustable Vertical Window Cat Door |...
  • VERSATILE DESIGN: our pet door for sash windows provides an easy, adjustable pet door solution that fits most vertical sliding windows, with adjustable width ranges between 22" and 37". Perfect for cats and small dogs, this window insert offers freedom and convenience for your furry friends without compromising your home's comfort and security; small flap measures 5-1/8" x 8-1/4"
  • STURDY & WEATHER RESISTANT: built with a durable aluminum frame and a lightweight, flexible tinted vinyl flap, this pet door is designed to withstand the elements and provide lasting performance; corrosion-resistant materials ensure your window pet door remains in top condition in all seasons
  • EASY & LOW-IMPACT INSTALLATION: Our spring-loaded design allows for a quick and simple installation and removal process, making it an excellent choice for rentals or vacation homes; requires a minimum track width of 1" or greater for the pet door frame
  • ENHANCED SECURITY & FLEXIBILITY: The press-fit locking door cover gives you control over when your pet can enter or exit, ensuring your home stays safe and secure; additionally, the pet door can be moved to the right side if needed by unscrewing it and flipping the frame 180°, allowing for maximum adaptability to your home's layout
  • FREEDOM FOR YOUR PETS: the pet door for sash windows is designed to offer convenience and independence for your pets, while maintaining the comfort and security of your home; the lightweight flap is easy for small pets to use, and the minimal impact installation ensures your window remains in excellent condition
Bestseller No. 8
Ownpets Pet Screen Door,Inside Door 8x10x0.4 inch,Lockable Magnetic Flap Screen...
  • PLEASE NOTE SIZE - Flap opening size is 8." W x 10.2" H, For SMALL dogs and cats or other small animal.
  • AUTOMATIC CLOSE & LOCKABLE - Dog door with magnetic flap closures, built-in magnetic can keep the door automatically closed when your dog leaves
  • SUITABLE FOR ALL SCREEN DOOR - Our item suitable for all the screen door and allow your pets freedom to get in and out.
  • DURABLE - Our dog door frame is made of high quality ABS material, Especially mesh yarns, the mesh yarn is made of expensive materials and is strong and durable.
  • EASY TO INSTALL - Just need to fix it with screws and operate according to the instructions.
Bestseller No. 9
CEESC Extra Large Cat Door (Outer Size 11"x9.8"), Weatherproof, White, ABS...
  • 4 WAY SWITCH MODE --- The pet door could be adjusted by the Red and Green switches with tabs to 4 modes: out only, in only, both in and out, and fully locked, easy control of your pet's in and out
  • SIZE & APPLICATION --- Outer Size: 9.8" x 11" x 2.15"(W x H x D), Inner size: 7.9" x 8.7"(W x H), Cut-Out Size: 8.3" x 9.5" (W x H); fits doors and thin walls, for cats and doggie under 27.54 lbs and with a waist smaller than 24.8 inches
  • SAFE & THOUGHTFUL --- The transparent flap let pet see through the door. Exterior rain seal is for waterproof. Brush strip eliminates noise from the door closing
  • EASY TO INSTALL --- Complete instructions included, make you easily install in windows, doors, cupboards, panels and walls etc
  • EXCELLENT QUALITY --- Made of ABS material, weather-resistant, the surface is smooth and durable
Bestseller No. 10
Whiskers & Windows Cat Door for Sash Windows | Adjustable & Easy-to-Install...
  • DESIGNED FOR VERTICAL SLIDING SASH WINDOWS: Whiskers & Windows cat door seamlessly integrates into your sash windows with a spring-loaded, adjustable design, fitting widths from 22" to 43"; corrosion-resistant aluminum frame comes in two color options, to match your window framing and home decor
  • SECURITY & ACCESS CONTROL: our window cat door features a built-in four-way locking mechanism, allowing you to easily set the access options to locked, unlocked, in-only, or out-only
  • TWO FLAP SIZE CHOICES: designed to accommodate both cats and small dogs, the Whiskers & Windows pet door offers small and large flap options; lightweight, clear acrylic flap allows for easy pet access; large flap measures 7" x 7-1/2" and is perfect for large cats and dogs weighing up to 15 lbs
  • QUICK & EASY INSTALLATION: transform your sash window into a pet-friendly entrance without drilling or cutting; the cat door for windows can be installed in just minutes, making it an ideal choice for rentals, vacation homes, or temporary living situations
  • WEATHERPROOF: designed with single-pane tempered glass for durability and safety; sturdy aluminum frame is corrosion resistant and will last for years to come; for maximum weather-proofing consider adding weatherstripping and a draftstopper

The Bottom Line

In conclusion, the 10 best cat doors for windows were carefully selected based on their quality, durability, customer reviews, and features such as size, ease of installation, and security. By following our list, users can easily find the perfect cat door for their window that suits their needs and preferences. Whether you’re looking for a simple design or a high-tech solution, our list provides a variety of options to choose from. Investing in a cat door for your window can provide your feline friend with easy access to the outdoors while giving you peace of mind knowing they can come and go as they please.