Choosing the best cat door for an exterior wall helps your pet go outside safely and easily. A good cat door fits well and keeps weather and pests out.
A cat door on an outside wall lets your cat explore without you opening the door each time. It saves energy and keeps your home secure. Cat doors come in many sizes and types. Some have locks or sensors for extra safety.
The right door depends on your wall type, your cat’s size, and your needs. This guide will help you find a cat door that works best for your home and pet. Simple to install and use, the best cat doors offer freedom for your cat and peace of mind for you.
Our Picks
10 Best Cat Doors For Exterior Wall
1. Decormax Cat Door for Wall, Energy Efficient Pet Door with Steel Frame, Telescoping Tunnel, Double Magnetic Flaps and Two Sliding Lock Panels, Easy to Install, Milky White, Small
- Brand: Decormax
- Manufacturer: Decormax
- Color: White
- Dimensions: Height: 16.1 Inches Width: 10.4 Inches Length: 5.1 Inches
Discover the Decormax Cat Door, perfect for small pets. Its energy-efficient design keeps your home cozy. The sturdy steel frame ensures durability, while the telescoping tunnel fits various wall thicknesses. Double magnetic flaps provide easy access and keep drafts out. Two sliding lock panels offer security and control. Install it with ease and give your pet the freedom they deserve.
Advantages
- Allows pets to go outside and inside freely without help.
- Keeps energy loss low with steel frame and magnetic flaps.
- Fits easily into walls with a telescoping tunnel design.
- Offers extra security using two sliding lock panels.
- Blends well with home decor in milky white color.
Our Recommendations
This cat door fits perfectly in my wall. The steel frame feels strong and safe. Installation was quick and simple. My cat uses it easily every day. The double magnetic flaps keep cold air out. Sliding locks add extra security when needed. The telescoping tunnel adjusts to my wall thickness. The milky white color looks nice and clean. Energy efficient design helps keep my home warm. Overall, a practical and well-made pet door.
2. PetSafe Never Rust Wall Entry Pet Door – Telescoping Frame – Insulates Better Than Metal Doors, Energy Efficient Cat & Dog Door – Interior & Exterior Walls, Weatherproof, Easy to Install & Clean – S
- Brand: PetSafe
- Manufacturer: Radio Systems Corporation
- Color: White
- Dimensions: Height: 0.0 inches Width: 0.0 inches Length: 0.0 inches Weight: 2.6 Pounds `
This PetSafe wall entry pet door fits easily into interior or exterior walls. Its telescoping frame adjusts to different wall thicknesses for a perfect fit. The door insulates better than metal ones, helping save energy in your home. Weatherproof design keeps your pet comfortable in all seasons. Cleaning is simple, making maintenance quick and hassle-free. Ideal for small cats and dogs who want easy indoor-outdoor access.
Advantages
- This pet door resists rust, lasting many years without damage.
- Telescoping frame fits walls of different thicknesses easily.
- Insulation works better than metal doors, saving energy indoors.
- Weatherproof design keeps your home comfortable in all seasons.
- Installation and cleaning require little time and effort.
Our Recommendations
This pet door fits perfectly in my wall and is easy to install. The telescoping frame adjusts nicely for different wall thicknesses. My cat uses it daily without any trouble. It keeps the cold air out better than metal doors. Cleaning is simple and fast, which I really like. The door feels strong and holds up well in bad weather. Energy bills seem lower since this door insulates so well. A solid choice for pet owners wanting a reliable door.
3. ClawJaw Cat Door for Exterior Wall, Metal Frame and Telescopic Tunnel Pet Door, Double Magnetic Flaps Cat Door and Dog Door, Easy to Install, Black (Pets Up to 22 Lb)-Small
- Brand: ClawJaw
- Manufacturer: ClawJaw
- Color: Black
- Dimensions: Height: 10.4 inches Width: 16.1 inches Length: 5.1 inches
This Cat Door fits perfectly in exterior walls with its sturdy metal frame and telescopic tunnel. Double magnetic flaps keep the door closed tightly, blocking wind and rain. Easy installation means no extra tools or help needed. Designed for pets up to 22 pounds, it works well for small cats and dogs. The black color blends nicely with most home exteriors. A practical way to give pets freedom and safety at the same time.
Advantages
- Offers easy pet access through exterior walls with secure metal frame.
- Features double magnetic flaps to keep weather and bugs outside.
- Telescopic tunnel adjusts to fit various wall thicknesses perfectly.
- Suitable for small pets up to 22 pounds, like cats and dogs.
- Installs quickly with simple tools, saving time and effort.
Our Recommendations
This cat door fits perfectly in my exterior wall. Installation was quick and simple. The metal frame feels strong and durable. My cat easily pushes through the double magnetic flaps. It keeps the weather outside and my home cozy. The telescopic tunnel adjusts well to wall thickness. Perfect size for pets up to 22 pounds. I like the black color; it matches my house. No drafts or noise come through the door. My dog also uses it without any trouble. A practical and sturdy pet door for any home.
4. Baboni Pet Door for Wall, Steel Frame and Telescoping Tunnel, Aluminum Lock, Double Flap Dog Door and Cat Door, Strong and Durable (Pets Up to 12 Lb) -Small
- Brand: baboni
- Manufacturer: baboni
- Color: White
- Dimensions: Height: 7.25 inches Width: 13.125 inches Length: 9.25 inches
Designed for small pets up to 12 pounds, this pet door fits walls with ease. A strong steel frame and telescoping tunnel provide lasting support. The double flap helps keep drafts out and pets comfortable. Aluminum lock adds security and peace of mind. Simple to install and built to last, it suits both dogs and cats.
Advantages
- Ensures pet safety with its sturdy steel frame design. Pets feel secure.
- Provides weather protection with double flap feature. Keeps homes cozy.
- Adjustable telescoping tunnel fits various wall sizes. Easy installation.
- Aluminum lock offers extra security. Peace of mind for owners.
- Suitable for small pets up to 12 lbs. Perfect for tiny companions.
Our Recommendations
The Baboni Pet Door fits perfectly in our wall and is easy to install. Its steel frame feels very strong and keeps the door steady. My small dog loves going outside without waiting for me. The double flap stops cold air from coming in, which is great for winter. The aluminum lock works well and keeps the door secure when needed. The telescoping tunnel adjusts to fit different wall thicknesses easily. This pet door is very durable and holds up well to daily use. Pets up to 12 pounds can pass through comfortably without trouble. Overall, a smart choice for small dogs and cats needing easy outdoor access.
5. PetSafe Never Rust Plastic Doggie Door for Install in Interior and Exterior Doors or Walls, Paintable, Easy Install, Closing Panel Included, for Cats and Dogs Up to 15 lb, (Small)
- Brand: PetSafe
- Manufacturer: Radio Systems Corporation
- Color: White
- Dimensions: Height: 13.25 inches Width: 1.88 inches Length: 8.75 inches Weight: 0.83 Pounds `
Designed for small pets up to 15 pounds, this doggie door fits both interior and exterior doors or walls. The plastic frame never rusts, ensuring long-lasting use. Painting the door to match your home is easy and customizable. Installation is simple and quick, with a closing panel included for extra convenience. Cats and dogs can enjoy safe, easy access in and out of the house.
Advantages
- Durable plastic resists rust, perfect for indoor and outdoor use.
- Easy to install with simple tools, saves time and effort.
- Paintable surface blends well with any door or wall color.
- Closing panel helps keep weather and bugs outside efficiently.
- Suitable for small pets up to 15 pounds, safe and secure.
Our Recommendations
This doggie door is very easy to install and fits perfectly in my interior door. The plastic is strong and does not rust, even after rain. My small dog uses it many times a day without any trouble. Paintable surface helped it match my wall color nicely. The closing panel works well to keep the cold out during winter. Great size for cats and dogs up to 15 pounds. It feels safe and sturdy, which I like a lot. No extra tools needed for installation, saving me time and effort. A simple solution for pet owners who want a door their pet can use freely.
6. VOSOIR Cat Door for Wall, Small Pet Door, Heavy Duty Doggy Door, All Aluminum Frame, 2 Magnetic Flaps, Energy Efficient, Telescoping Tunnel, Sliding Lock Panel, Easy to Install (Pets Up to 22 LB)
- Brand: VOSOIR
- Manufacturer: VOSOIR
- Color: Silver
- Dimensions: Height: 13.4 inches Width: 9.9 inches Length: 3.95 inches
VOSOIR Cat Door for Wall fits small pets up to 22 pounds easily. Its heavy-duty aluminum frame offers strong, long-lasting support. Two magnetic flaps keep the door closed, saving energy and blocking drafts. The telescoping tunnel adjusts to wall thickness for a perfect fit. Installation is simple with a sliding lock panel for extra security. Pets enjoy easy access, and owners appreciate the durable, energy-efficient design.
Advantages
- Allows pets to enter and exit freely without help.
- Made with strong aluminum for long-lasting use.
- Magnetic flaps keep cold and wind outside.
- Fits walls easily with a telescoping tunnel design.
- Sliding lock panel keeps pets safe when needed.
Our Recommendations
This cat door fits perfectly in our wall. The aluminum frame feels strong and lasts well. Two magnetic flaps keep the cold air out, saving energy. Installation was simple and fast, even for a beginner. The sliding lock gives extra security when needed. Our small pet, weighing 20 pounds, uses it easily every day. The tunnel adjusts to different wall thicknesses, very handy. Overall, a solid and practical pet door for small animals.
7. CEESC Extra Large Cat Door (Outer Size 11″x9.8″), Weatherproof, White, ABS Material, 4-Way Locking Flap for Cats & Dogs up to 25.54 lbs
- Brand: CEESC
- Manufacturer: CEESC
- Color: White
- Dimensions: Height: 11.0 inches Width: 11.0 inches Length: 2.15 inches Weight: 1.19 pounds `
Designed for cats and small dogs up to 25.54 lbs, this door offers easy access in and out. Crafted from durable ABS material, it stands strong against daily wear. The weatherproof feature keeps your home safe from rain and wind. Four-way locking flap ensures control over your pet’s movements. Its large size fits most pets comfortably, making it a great choice for pet owners.
Advantages
- Allows pets up to 25.54 lbs to enter and exit freely.
- Keeps weather out with its durable, weatherproof design.
- Easy to install on many doors and walls.
- 4-way locking flap offers control and safety.
- Made from strong, white ABS material for long use.
Our Recommendations
This cat door fits perfectly in our back door. The size is great for our big cat and small dog. Weatherproof design keeps rain and wind out. The white ABS material looks clean and sturdy. Four-way locking flap gives full control over pet access. Easy to install and use every day. Our pets love going in and out freely now. No drafts or noise come through the door. A smart choice for pet owners with bigger cats or dogs.
8. Cat Door for Wall Dog Door for Wall Exterior, 3-Flap Small Pet Door for Walls, All-Metal Frame and Telescoping Tunnel, Pets Up to 15 Lb (Small Size)
- Brand: Eillion
- Manufacturer: Eillion
- Color: Silver
- Dimensions: Height: 10.0 inches Width: 15.0 inches Length: 6.0 inches
This cat and dog door fits easily into walls for simple pet access. Its all-metal frame and telescoping tunnel ensure long-lasting strength. Three flaps provide extra protection against weather and drafts. Perfect for small pets weighing up to 15 pounds. Helps pets go outside or come inside anytime they want. Keeps your home secure while giving pets freedom.
Advantages
- Lets your small pets come and go freely without help.
- Fits walls easily thanks to the telescoping tunnel design.
- Metal frame offers strong, long-lasting protection against weather.
- Three flaps reduce drafts and keep your home warm.
- Perfect for cats and dogs up to 15 pounds.
Our Recommendations
This cat door is perfect for small pets. My cat loves it. The three-flap design keeps weather out. Sturdy all-metal frame ensures durability. Installation was easy with the telescoping tunnel feature. Fits perfectly in our wall. Pets up to 15 lbs can use this door comfortably. My pet feels independent now. Highly recommend for pet owners. It’s a great addition to any home.
9. FreeStanding Cat Door for Wall, Steel Frame Cat Doors with Telescoping Tunnel, Magnetic Double Flaps and 2 Security Lock Panels, Cat Door for Interior and Exterior Wall, Small, Gray
- Brand: FreeStanding
- Manufacturer: FreeStanding
- Color: Smoky Gray
- Dimensions: Height: 10.4 Inches Width: 16.1 Inches Length: 5.1 Inches
This cat door fits easily into walls with its strong steel frame and telescoping tunnel. Magnetic double flaps keep the door closed tightly, blocking drafts and bugs. Two security lock panels give you control to keep your pet safe inside or outside. Designed for both indoor and outdoor walls, it suits many home types. The small size is perfect for cats and fits most wall thicknesses. Durable gray color blends well with any décor.
Advantages
- Allows cats easy access through walls without help.
- Steel frame ensures strong, long-lasting use.
- Telescoping tunnel fits various wall thicknesses perfectly.
- Magnetic double flaps keep weather and drafts outside.
- Two security locks give extra safety and control.
Our Recommendations
This cat door fits perfectly in my wall and feels very strong. The steel frame gives good support. Easy to install with clear instructions. My cat uses it happily every day without any trouble. The magnetic double flaps close tightly to keep the weather out. Two security locks add extra safety when needed. The telescoping tunnel adjusts well for different wall thicknesses. Works great for both inside and outside walls. A smart choice for pet owners needing a reliable cat door.
10. Depets Large Cat Door (Outer Size 9.9″ x 9.2″), 4 Way Locking Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Circumference < 23"
- Brand: Depets
- Manufacturer: Depets
- Color: White
- Dimensions: Height: 2.16 inches Width: 9.25 inches Length: 9.92 inches Weight: 0.85 pounds `
This large cat door fits doors with an outer size of 9.9″ by 9.2″. Four-way locking lets you control your cat’s access easily and safely. Designed to be weatherproof, it keeps your home comfortable in all seasons. Perfect for cats with a circumference under 23 inches, giving them plenty of room. Installation is simple, suitable for both interior and exterior doors. A practical choice for pet owners who want convenience and security.
Advantages
- This cat door fits large cats and pets up to 23″ wide.
- Four-way locking keeps pets safe and controls door use.
- Weatherproof design stops rain, wind, and cold from entering.
- Easy to install on both inside and outside doors.
- Lets pets go in and out freely without help.
Our Recommendations
This cat door fits perfectly on our exterior door. The size is just right for our big cat. Four-way locking makes it easy to control pet access. The weatherproof design keeps rain and wind outside. Installation was simple and took little time. Our cat quickly learned to use the flap. The flap moves smoothly without any noise. It feels sturdy and safe for our pet. Ideal for indoor and outdoor use. Definitely a good choice for large cats.
Frequently Asked Questions
What Is The Best Material For Cat Doors In Exterior Walls?
Durable materials like aluminum or heavy-duty plastic resist weather and last longer outside.
How Do Cat Doors Keep Pets Safe From Predators?
Many cat doors have lockable flaps or microchip sensors to block unwanted animals.
Can I Install A Cat Door On Any Exterior Wall?
Most walls work, but avoid walls with pipes, wires, or insulation in the way.
How Do I Prevent Drafts With Exterior Wall Cat Doors?
Choose doors with tight seals and insulated flaps to keep cold air out.
Buying Guide On Best Cat Doors For Exterior Wall
1. Measure Your Wall Thickness
Start by checking how thick your exterior wall is. Cat doors come in different sizes. Choose one that fits your wall perfectly. Too thin or too thick walls may cause problems.
2. Pick the Right Size for Your Cat
Select a door big enough for your cat to pass easily. Measure your cat’s width and height. A door too small can hurt your pet or stop it from using the door.
3. Choose a Weatherproof Design
Select a cat door that keeps rain, wind, and cold out. Look for doors with good seals or flaps. This helps keep your home warm and dry.
4. Decide Between Manual or Electronic Doors
Manual doors are simple and cheap. Electronic doors open only for your cat, using a collar sensor. This stops other animals from entering.
5. Check Installation Requirements
Some doors need cutting through bricks or siding. Others fit smaller holes or panels. Pick a door that matches your wall type and your skill level.
6. Look for Durable Materials
Choose cat doors made of strong plastic, metal, or heavy-duty vinyl. Good materials last longer and resist weather damage. Avoid flimsy doors that break easily.
7. Consider Security Features
Some cat doors have locks or flaps you can close. This keeps your home safe at night or when you are away. Think about how secure you want your door to be.
8. Read Customer Reviews
Reviews show real experiences from other cat owners. They help you learn about door quality and ease of use. Check for common problems or praises.
9. Set a Budget
Prices vary widely for cat doors. Decide how much you want to spend. Remember, a higher price often means better quality and features.
10. Plan for Easy Cleaning
Choose a door that you can clean quickly. Dirt and fur build-up can block the flap or sensor. A removable flap makes cleaning easier.
Conclusion
Choosing the best cat door for your exterior wall helps your pet enjoy more freedom. It also keeps your home safe and energy efficient. Consider the size, material, and locking features before buying. A good cat door fits well and stops drafts.
It should be easy for your cat to use every day. Some models offer extra security for peace of mind. Installing the right door means less stress for you and your cat. Think about your wall type and weather conditions too.
Quality matters more than price to avoid repairs later. With the right choice, your cat can come and go as it pleases. A simple cat door can make a big difference in your pet’s happiness. Take time to pick one that matches your needs well.
Your furry friend will thank you with more play and exercise.