10 Best Cat Door For Exterior Door

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When it comes to finding the best cat door for an exterior door, the task can be more challenging than expected. With so many options available on the market, it can be overwhelming to determine which one will best suit your needs. From considering the size of your cat to the security features you desire, there are various factors to take into account.

To make your search easier, we have compiled a list of the 10 best cat doors for exterior doors. Our list is carefully curated after thorough research and consideration of key features such as durability, security, ease of installation, and overall customer satisfaction. By shortlisting these products, we aim to save you time and hassle, allowing you to make an informed decision quickly and efficiently.

Whether you are looking for a simple flap door or a more advanced electronic cat door, our list has something for everyone. Say goodbye to the stress of finding the perfect cat door for your exterior door – let our curated selection guide you towards the best option for you and your feline friend.

Top 10 Cat Door For Exterior Door In The Market

Cat Door For Exterior Door Reviews

Bestseller No. 1
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. 2
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. 3
PetSafe Exterior/Interior Cat Door - Big Cat 4-Way Locking Pet Door Flap for...
  • PET SIZE: The large flap opening is perfect for cats and dogs up to 25 lb
  • TRANSPARENT FLAP: Provides visibility for your cat for shorter acclimation times
  • DURABLE DESIGN: High-impact plastic flap stands up to frequent use; may be used indoors or outdoors
  • CONTROL YOUR PET’S ACCESS: 4-way locking system allows you to set parameters around your cat’s access at any time
  • U.S.-BASED CUSTOMER CARE: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
  • QUALITY PROMISE: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations since 1998 to help keep your pet healthy, safe and happy
Bestseller No. 4
Cat Mate 4-Way-Locking Cat Flap with Door Liner to 50mm (2 inches), Easy...
  • Versatile Freedom: Cat Mate 4-Way-Locking Cat Flap allows in/out, in only, out only, or locked modes. Ideal for small to average-sized cats.
  • Quick & Easy Setup: Trimmable door liner for hassle-free installation in doors, panels, or walls. Your cat can roam in minutes!
  • Secure & Silent: Tamper-proof, super-tough polymer construction ensures safety and silent operation.
  • Installation Anywhere: Whether it's a UPVC/metal door, wall, or wooden door, this cat flap fits seamlessly. Cut-out size: width 165mm, height 174mm, flap opening size: 145mm width, 145mm height. Overall size: width 192mm, height 200mm.
  • Weather-Proof, Draught-Proof, and Rain-Proof: The fully brush-sealed flap with magnetic closure guarantees a draught- and weather-proof experience. Rain won't be a bother either, thanks to the rain-proof seal.
Bestseller No. 5
PetSafe Never Rust Doggy Door for Door (Small), Doggie Doors for Small Dogs,...
  • CONVENIENCE: Experience the convenience of our dog doors for small dogs, designed to provide uninterrupted relaxation or work time. These dog doors allow your furry friends to independently take care of their needs, eliminating the need for constant in and out for potty breaks and playtime.
  • SIZE SPECIFIC: Our interior dog door is specifically designed for small pets, comfortably accommodating those weighing up to 15 lbs. This dog door for door has a flap opening measuring 5 1/8" W X 8 1/4" H, ensuring your pet can move freely without any discomfort.
  • CONTROL: With our pet doors for dogs, gain control over your pet's access using the snap-on closing panel feature. These doggy doors prevent stray animals from entering your home, ensuring the safety of your pet and maintaining the cleanliness and orderliness of your home.
  • CUSTOMIZABLE: Add a personal touch to your home with our cat and dog door for exterior/interior doors, featuring a paintable plastic frame. This pet door not only provides convenience for your pet but also blends seamlessly with your home decor.
  • EASY INSTALLATION: Install the Plastic pet door yourself with ease. This feature is particularly beneficial for homeowners who prefer to handle installations themselves, a testament to the user-friendly design of our pet products.
  • U.S.-BASED CUSTOMER CARE: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
  • QUALITY PROMISE: Trust in the quality promise of PetSafe, a global leader in pet behavior, containment, and lifestyle innovations, offering an automatic dog door with collar sensor. Since 1998, PetSafe has been providing electric pet doors for dogs, designed with your pet's best interests at heart, keeping them healthy, safe, and happy.
Bestseller No. 6
PetSafe Never Rust Wall Entry Pet Door - Telescoping Frame - Insulates Better...
  • INSTALL INTO YOUR WALL: This pet door is best for homes where it might not be possible to install a pet door into your human door
  • DURABLE FRAME WON'T RUST: Our pet door is made out of durable plastic that won’t rust like other steel options while also providing great insulation
  • TELESCOPING DESIGN FOR WALL INSTALLATION: Telescoping tunnel lets you use the door in walls that are 4 3/4 - 7 1/4 in thick; compatible extension kits sold separately for walls thicker than 7 1/4 in
  • DIY INSTALLATION: This do-it-yourself project easily installs in all types of interior and exterior walls; cutting template and step-by-step instructions are included
  • ENERGY EFFICIENT: The double-flap provides weatherproofing and energy efficiency, and a slide-in closing panel adds extra insulation when your pet is not using it; PVC frame withstands UV exposure
  • SMALL SIZE : Small size for cats or dogs up to 15 lb; flap opening measures 5 1/4 in W X 8 1/8 in H
  • GIVES YOUR PET FREEDOM: Let your cats and dogs come and go on their own schedule – perfect for potty breaks or play time
  • U.S.-BASED CUSTOMER CARE: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
Bestseller No. 7
Wordcam X-Large Cat Door, Cat Door for Interior Exterior Doors, 4 Way Locking...
  • [Freedom&Safety]: This cat door interior door provides access for your cat to their own space, allowing entrance to food, water or the litter box, even thought the human door is closed.
  • [ 4-way Locking mechanism ]: The 4-way lockable cat door features both in and outt, only in, only out, and fully locked modes,easily control with rotate knob to keep your pets go in or out.
  • [Application]: The cat door is good for interior and exterior use.Outer Size:10.03" x 2.36" x 11.81"(D x W x H), Inner size:7.87" x 8.66"(D x H), designed for cats up to 25 lb ,easily fits any interior wood, PVC, metal doors 1/2 - 2 in thick.
  • [Easy to Setup]: The pet door for cats come with a full size cutting template to make installation a breeze, can be installed in cupboards, garage, laundry room,closet,utility room,bedroom, bathroom and litter box cabinet doors.
  • [Sturdy & Weather-resistance]: Frame Made of strong ABS plastic, Flap Made of high-strength Acrylic, the frame and flap of kitty door are solidly built, ensures security operation. The cat flaps door are fully brush sealed with magnetic closures for total weatherproofing and minimum energy loss from the house, reduce noise, keeping away bugs and the smell of cat litter.
Bestseller No. 8
ClawJaw Cat Door for Exterior Wall, Metal Frame and Telescopic Tunnel Pet Door,...
  • 【Freedom for Pets】:Give your cats freedom lifestyle,They can come and go freely through the pet door without your help and enjoy their pleasant life.
  • 【Door Size】:The telescoping tunnel accommodates walls that are 3 9/10-7 7/8 in thick. Flap Opening:9 1/4" * 6 1/2". Frame: 13 9/10" * 9 2/5" , suitable for 0-22 lbs dogs.
  • 【Durable and Strong】This Pet Door frame is made of metal frame and telescopic tunnel make it strong , double flaps and sliding lock panels, can be provide weatherproofing, helps protect against extreme weather and reduce external air drafts.
  • 【Easy to Install】:The cat door for wall suitable for installation in all types of interior and exterior walls; the instructions have templates for simple and quick installation so that installation is no longer difficult!
  • 【After-Sales Service】ClawJaw Pet Door is committed to giving every pet a free and comfortable lifestyle! If you have any questions, you can contact us in time, we will reply you within 24 hours.
Bestseller No. 9
Closer Pets Cat Mate Microchip Activated Medium Size Cat Door for Entry Control...
  • This version is compatible with most common US microchips including 15 digit ISO, AVIDXX, and AVID Encrypted
  • Designed to prevent unwanted entry of stray pets by allowing only programmed pets entry while allowing any pet to exit
  • Made from super-tough polymer / Suitable for up to 30 cats (small to average size). Overall size: width 7 3/4”, height 9 11/16” - Cut-out size: width 6 7/8”, height 7 3/4”
  • Self-lining to 85mm (3 3/8”) thick – ideal for most doors. Adapter for Metal Doors Available Separately. Easily fitted to walls or glass panels with Cat Mate Wall Adapter Kit.
  • It's important to note that while effective in controlling your cats' movements, the door may not always prevent entry by certain animals, especially raccoons. In such cases, utilizing the manual locked mode or the “in only setting” is recommended, particularly during nocturnal hours, to ensure added security.
Bestseller No. 10
FreeStanding Cat Door for Interior & Exterior Walls, Cat Door with Steel Frame...
  • 【Freedom and Independence】FreeStanding cat doors have multiple locking modes which can give your cats and small dogs freedom to go in and out without your help, perfect for potty breaks or play time.
  • 【Patented Design - Vision 2.0】Cat door with telescoping tunnel can be installed on doors of different thickness of [3.94"-7.87"]. Frame:[9.39"W * 13.92"H]. Flap: [6.49"W * 9.26"H]. Suitable for pets up to [22 pounds].
  • 【Resistant and Energy-Saving】The cat door adopts steel to make the product more solid. The double-flap and windshield provide weatherproofing and energy efficiency, and help protect against extreme weather, air drafts.
  • 【Simple and Easy Installation】Inside the product is equipped with a cutting board and instructions. Simple process design makes installation no longer difficult.
  • 【24/7 Good Customer Service】If you have any questions about the dog door, please contact us promptly. We will reply within 24 hours. Our priority is to make you satisfied!

The Bottom Line

In conclusion, the 10 best cat doors for exterior doors were carefully selected based on their features, durability, customer reviews, and overall quality. By following our list, users can easily find a cat door that suits their needs and provides their feline friends with easy access to the outdoors. Whether you’re looking for a high-tech electronic cat door or a simple yet effective manual cat door, our list has something for everyone. Investing in a cat door from our selection can greatly improve your cat’s quality of life and give them the freedom to explore the outdoors safely.