Let Fido In! The Ultimate Guide to Dog Doors for Sliding Glass Doors

Hello, fellow pet lovers! ? If you’re anything like me, your furry companion isn’t just a pet; they’re practically family. And as with any family member, we want our dogs to feel completely at ease, content, and secure within our homes. Enter the ingenious solution: installing a dog door in your sliding glass door.

Imagine this scenario: your beloved four-legged buddy gains the freedom to come and go as they please, no longer dependent on your assistance, and you’re free from the worry of them being stranded outside during harsh weather. It’s a brilliant solution, isn’t it?

However, the dog door market can be a tad overwhelming with its abundance of options. That’s where I step in. In this blog post, we’ll take a deep dive into the realm of dog doors tailor-made for sliding glass doors. We’ll introduce you to six remarkable choices, each catering to different needs and preferences, ensuring you discover the ideal match for your home and your cherished canine companion.

So, let’s embark on this journey together, exploring the realm of canine convenience and coziness, shall we? ??

Types Of Dog Doors: 

Certainly, let’s break down the world of dog doors in a simpler, more conversational way. ??

You’ve got a variety of dog door options to choose from, each designed to suit different needs and lifestyles:

  • Classic Flap Doors: These are the traditional dog doors with a simple flap that your pet can push through. They come in different sizes to fit various dog breeds. While they’re straightforward and budget-friendly, they might not be the best at keeping your home insulated or secure.
  • Smart Electronic Doors: If you want something high-tech, consider electronic smart doors. They use technology like RFID or sensors to allow only your pet to use them, keeping out unwanted visitors. Some even connect to apps so you can keep tabs on your pet’s movements.
  • Magnetic Doors: These doors use magnets to keep the flap closed until your pet pushes through. They offer better insulation than basic flap doors and are pretty easy to set up.
  • Automatic Sliding Doors: For tech enthusiasts, automatic sliding doors mimic real sliding glass doors, complete with sensors to detect your pet’s approach. They’re stylish and efficient, fitting seamlessly into your home.
  • High-Insulation Doors: If you’re all about energy efficiency, high-insulation dog doors are the way to go. They usually have double flaps and extra insulation layers to keep your home cozy, no matter the weather.
  • Panel Inserts: These are perfect if you’re renting or don’t want permanent changes to your sliding glass door. Panel inserts sit in the door’s track and come with a built-in pet door for easy access.

Picking the right dog door depends on your dog’s size, your budget, and what features matter most to you. Make sure to measure your pet accurately and consider things like weather resistance, security, and how easy it is to install. With the right dog door, you’ll give your furry friend more freedom and comfort while making life more convenient for yourself.

So, as you can see, there’s a dog door for every pet owner out there, catering to different preferences and needs. Stick around as we dive deeper into each type to help you make the best choice for your loyal companion. ??

Are you in a hurry? Pick from our highly recommended list:


Best Overall: Endura Flap Vinyl Sliding Glass Pet Door

4.5 out of 5 ratings on Amazon

Endura Flap Vinyl Sliding Glass Dog Door

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FLAP SIZES… Multiple flap sizes: Small 6″w x 11″h; Medium 8″w x 15″h; Large 10″w x 19″h; and XL 12″w x 23″h. 
10Expert Score
This article is our editor's choice

Super easy to install

Things we like
  • Easy to install
  • Strong White Vinyl Frame
  • Lifetime Warranty
  • Weather Resistant Design
Things we don't like
  • None

Top Features

  • Frame Material: Vinyl
  • Available in multiple sliders Height
  • Pet Size: 8″ – 30″ Height
  • Colour White
  • Available in Small, Medium, Large, and Extra Large Flap sizes.

Perfect Solution For Pet Parents:  With four different flap sizes available, we have the perfect pet door for your needs. All of these panels are made with a strong locking cover, to keep your home secure. The widths and heights of our panels are determined by measuring from the lowest point of the lower track to the highest point in the upper track. If your panel is a little too tall to fit, don’t worry – they have a range of heights that should work for you.

Strong &  Energy Efficient: This sturdy pet door is made of strong white vinyl and is designed to fit snugly into your sliding glass door track. It’s also energy efficient and weather resistant, making it ideal for all seasons. The tempered clear LoE glass is durable and insulated, keeping your home warm in the winter and cool in the summer. Plus, the flap resists winds up to 50 mph, making it perfect for even the most extreme weather conditions. 

The Best Qualitydog Door For Sliding Glass Door:  This pet door is built in the USA and comes with a lifetime guarantee on all parts, products, and components. It is easy to install and weatherproof, making it the perfect solution for your pet needs. The Endura Flap Vinyl Sliding Glass Pet Door is also energy efficient, meaning it will help keep your home warm in winter and cool in summer. Not to mention, it is great value for money!


Best Cost Efficient Sliding Glass Door: Dragon Pet Door

4.1 out of 5 ratings on Amazon

Dragon Pet Door for Aluminum Sliders

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Adjustable Height Ranges: 75″-80″ & 93″-96″
Things we like
  • Easy to install
  • Worth Money
  • Easily removable
  • Ideal for Cats and Dogs
  • Available in multiple sizes
Things we don’t like
  • None

Top Features

  • High-quality aluminum frame and weather-resistant polyolefin elastomer flap
  • C-Clamp lock and sturdy closing cover
  •  Suitable for pets up to 19″ tall
  • Comes with 1 locking cover

Sturdy Aluminum Frame: This pet door is perfect for those who have sliding glass doors in their home. It features a sturdy aluminum frame and is available in two different sizes, depending on the height of your door. The flap design is highly efficient and will help to keep your home warm in the winter and cool in the summer. Plus, it comes with magnets that will keep the door closed when your pet is not using it. Order yours today and give your furry friend the freedom to come and go as they please!

Easy To Set Up: This pet door comes in two sizes (medium and large) to accommodate pets up to 19 inches tall, and features a 4-inch stepover to make it easy for your pet to use. It also has a quick, tool-free installation so you can get it set up quickly and easily. Plus, the sturdy aluminum frame is available in multiple colors to match your existing glass door frame. And for added security, the door comes with a c-clamp lock to secure it in place.

Ideal For Dogs And Cats: Made from durable materials, this pet door is built to last. The white frame is sleek and stylish, and the clear flap provides a clear view for your pet so they can see when it’s safe to come inside. Plus, the locking cover allows you to block the flap when needed, giving you peace of mind that your home will stay warm and dry.


Best Cold Weather Dog Door: Endura Flap Thermo Panel 3e

4.7 out of 5 ratings on Amazon

Endura Flap Pet Door Thermo Panel 3e – Medium Flap

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Height Range (74.75″ – 77.75″) White Aluminum Frame
Things we like
  • Sturdiness
  • Easy to install
  • Weatherproof
  • Worth the money
Things we don’t like
  • None

Top Features

  • Multiple flap sizes
  • Energy-efficient design
  • Frame Material: Aluminum
  • Suitable for pets up to 21″ tall

Safe And Comfortable: The perfect solution for pet owners who want to keep their furry friends safe and comfortable while also saving on energy bills. This patio panel pet door features a dual layer magnetically sealed flap that is energy efficient and surrounded by a heavy duty metal frame, making it ideal for both hot and cold climates. Plus, it comes with an award-winning energy efficiency rating, so you can rest assured that your pet door will help keep your home’s energy costs down. Whether you’re looking for a way to give your pet some freedom or simply want to save some money on your energy bills, the Endura Flap Thermo Panel 3e is a perfect choice.

Four Different Sizes: This innovative pet door is perfect for homes of all sizes and lifestyles. The flap panels are available in four different sizes to accommodate all kinds of pets, from tiny kittens to large dogs. The flap also has a locking cover for added security, so you can rest assured that your home is safe and sound. The Thermo Panel 3e also boasts superior insulation properties, keeping your home warm in the winter and cool in the summer. 

Easy To Install And Remove: If you want a pet door that is easy to install and remove, the Endura Flap Thermo Panel is a perfect choice. It is an excellent value for money and will stick to most surfaces, making it ideal for renters or vacation homes. The flap is made of high-quality thermal plastic that will keep your pet warm in winter and cool in summer. It is clear so that your pet can see what is on the other side before going through it. The Endura Flap Thermo Panel is backed by a limited lifetime warranty, so you can be sure that it will provide years of enjoyment for you and your pet.


Best Automatic Pet Door: High Tech Pet

4.2 out of 5 ratings on Amazon
Things we like
  • Fully Automatic
  • Value for money
  • Sturdiness
  • Full Operational
Things we like
  • Expensive

Top Features

  • Double Pane Energy Efficient Glass
  • Ultra-high quality product
  • 4-Way Access Control with Dual Range Controls

Effortless Pet Freedom with the Low-E Energy Efficient Patio Door Insert: Imagine a world where your pets can move in and out of your home as they please without any hassle. The new and improved Low-E energy-efficient patio door insert makes this a reality. This remarkable product features a fully Automatic Power Pet Door integrated into a dual pane, Low-E glass panel. It’s not just a pet door; it’s a fusion of beauty, sophistication, and energy efficiency backed by cutting-edge technology.

Smart and Stylish Design with Top-Notch Durability: What sets this product apart is its ingenious automation. Activated by your pet’s digitally coded ultrasonic collar, this door keeps stray animals out while allowing your pets the freedom to enter and exit without your intervention. The sleek and elegant design doesn’t compromise on ruggedness, making it completely wind and weather-resistant. Even in hurricane force winds, no drafts will penetrate this Power Pet door, making it one of the most energy-efficient options available. 

The extra-rugged design boasts dual pane “Low E” tempered glass and an extra-heavy-duty aluminum frame with an industrial-quality “powder coat” finish. This frame is nearly twice as thick and about 8 times stronger than typical patio pet door panels. Installation is a breeze, with the self-contained unit fitting seamlessly into your sliding glass-patio door track and adjusting to your door’s height. It can be locked with the new Universal Quick Lock, compatible with most sliding glass doors. Plus, full weather stripping is included, and the installation process typically takes less than an hour. However, keep in mind that this door installs alongside your existing sliding glass door, utilizing part of the walk-through space. Make sure you have ample open door space to accommodate it.

Convenient AC Power and Battery Options: One more thing to note is that this pet door is AC powered via the included AC adapter. If you prefer a battery-powered option, you’ll need to purchase our CRG-12V-1B (charger plus one battery) or CRG-12V-2B (charger plus two batteries). It’s a small trade-off for the convenience and peace of mind that this energy-efficient pet door offers.

In summary, the Low-E energy-efficient patio door insert is a game-changer for pet owners. It combines smart automation, durability, and energy efficiency in a stylish package. Give your pets the freedom they deserve while keeping your home secure and draft-free. Just ensure you have enough space for installation and choose the power option that suits your needs.


Best Sliding Glass Pet Doors for Rentals: PetSafe

4.7 out of 5 ratings on Amazon

PetSafe Sliding Glass Cat and Dog Door Insert 

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No Cutting DIY Installation
Things we like
  • Ideal for medium to large pets
  • Temporary installation option
  • Strong
  • Good Quality
Things we don’t like
  • Not for extreme weather conditions

Top Features

  • Small, Medium, Large Pets
  • Colour: White
  • Material: Aluminum

PetSafe Ultimate Pet Door: Freedom and Security for Your Furry Friends

If you’re a pet owner, you know how important it is to provide your four-legged companions with the freedom to explore the outdoors while maintaining the security and comfort of your home. The PetSafe Ultimate Pet Door is the solution you’ve been looking for. This ingenious pet door offers a seamless blend of convenience, security, and energy efficiency.

Easy Installation and Designed for Larger Pets

Installing the PetSafe Ultimate Pet Door is a breeze, making it perfect for apartments and rental homes. It’s hassle-free and can be easily removed, so you can take it with you if you move. Plus, its flap opening is generously sized at 10 1/4 inches wide by 16 3/8 inches high, accommodating pets up to 100 pounds. Whether you have a small pup or a large, adventurous dog, this door has got you covered.

Enhanced Security and Energy Efficiency

Safety and energy efficiency are paramount, and this pet door delivers on both fronts. It features a reliable security lock, allowing you to lock your sliding glass door once the pet door is in place. Say goodbye to worries about intruders or drafty homes. With weather stripping and a tinted flap equipped with a magnetic closure, your home’s temperature remains consistent, keeping you and your pets comfortable year-round.

In summary, the PetSafe Ultimate Pet Door combines ease of installation, security, and energy efficiency, making it a must-have for pet owners who want the best for their furry family members. Give your pets the freedom they deserve while keeping your home safe and cozy. It’s a win-win for both you and your pets!


Best Dog Door For Sliding Glass Door: Ideal Pet Products

4.3 out of 5 ratings on Amazon

Ideal Pet Products Aluminum Pet Patio Door

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Size: 7″ x 11-1/4″ Flap Size
Things we like
  • Durability
  • Adjustable Height
  • Sturdiness
  • Weatherproof
Things we don’t like
  • None

Top Features

  • Available in two finishes: White or Satin Silver
  • Material: Aluminum
  • Fast and Easy installation

The Perfect Pet Door for Your Aluminum Sliding Patio Door: Let’s talk about a game-changer for pet owners with aluminum sliding patio doors. If you’ve been on the hunt for a pet door that fits just right and makes life easier for both you and your furry friend, look no further. This pet door is tailor-made for aluminum sliding patio doors, offering a clear tempered glass panel for durability and clarity.

Easy Installation, No Tools Needed: Whether you’re a homeowner or renting, this pet door has your back. The best part? It’s a breeze to install and remove, and you won’t need a toolbox. Give your pet the freedom to come and go as they please without the hassle of complicated installation.

Customizable Fit and Handy Features: This pet door is all about customization. It’s adjustable in height, so you can make sure it fits your door frame just right, ranging from 77-5/8″ to 80-3/8″. Measuring is simple – just measure from the top track to the inside bottom track of your aluminum sliding patio door frame. And don’t worry about controlling your pet’s access; this door has a handy 7″ x 11-1/4″ transparent vinyl flap and an animal lock-out slide. Plus, you can choose between two sleek finishes, White or Satin Silver (Mill), to match your patio door. Everything you need for a quick and trouble-free installation is included.

In a nutshell, if you have an aluminum sliding patio door and a furry friend, this pet door is your tailored solution. It’s easy to install, fits your door frame like a glove, and comes with practical features to keep your pet’s comings and goings under control. Say goodbye to the pet door struggle and give your pet the freedom they deserve with this user-friendly solution.

How To Install A Dog Door In A Sliding Glass Door

Absolutely, let’s explore how to install a dog door in your sliding glass door step by step. ??

Step 1: Gather Your Tools

Before you dive into the installation process, make sure you have all the necessary tools and materials ready. You’ll typically need a measuring tape, a jigsaw, a screwdriver, a drill, a level, and, of course, the dog door kit you’ve chosen.

Step 2: Measure and Mark

Start by measuring the height of your pet’s shoulder from the ground. This measurement will help you determine where to install the dog door. Typically, it’s placed a few inches above your pet’s shoulder height to ensure comfortable access.

Step 3: Create an Outline

Using your measurements, mark the area where you’ll be installing the dog door. Ensure it’s level and centered within the sliding glass door frame.

Step 4: Cut an Opening

With the outline as your guide, carefully cut out the opening for the dog door. This is where the jigsaw comes into play. Take your time and follow the manufacturer’s instructions closely to avoid any mishaps.

Step 5: Assemble the Dog Door

Now, assemble the dog door according to the kit’s instructions. Typically, it involves attaching the frame, flap, and any necessary locking mechanisms. Make sure everything is secure and functioning correctly.

Step 6: Install the Dog Door

With the dog door assembled, it’s time to secure it in the opening you’ve created. This usually involves drilling holes for screws or using adhesive strips, depending on the kit’s design. Make sure it’s snug and level.

Step 7: Test the Door

Give the newly installed dog door a test run. Open and close it to ensure it operates smoothly. Let your furry friend give it a try, too, to make sure it’s at the right height for them.

Step 8: Final Adjustments

If needed, make any final adjustments to the dog door’s fit or operation. You want it to be just right for your pet’s comfort.

Congratulations! You’ve successfully installed a dog door in your sliding glass door, providing your furry companion with the freedom to come and go as they please. Plus, you’ve made life a whole lot more convenient for yourself. Enjoy the newfound convenience and the happiness it brings to your four-legged family member! ??

What To Look For When Buying A Dog Door

If you want to give your pet more freedom, there are a few things to think about before getting a dog door. First, measure how big your pet is, both in width and height, so you can pick the right-sized door. Next, consider where you want to put the door. If it’s going into a thick wall, make sure you get a door made for that. Then, decide on the type of flap you want. There are two kinds: single flap and double flap. Single flaps save energy, while double flaps keep out bad weather. Once you’ve thought about these things, you can find the perfect dog door for your home.


Now that you know more about dog doors and what to look for when choosing one, it’s time to make a purchase. To make your buying decision easier, we’ve compiled a list of the top-dog doors on the market. Our editor’s first choice is Endura Flap Vinyl Sliding Glass Pet Door. All of these products come highly recommended by pet parents and experts alike. We’re confident that you’ll find the perfect door for your needs on our list. Thanks for reading and we hope you found this information helpful!

Buy from our list ❤️

FAQ about dog door for sliding glass door

How does a dog door for a sliding glass door work?

A dog door for sliding glass doors operates like a mini gate. It has a flap that swings both ways, making it easy for your dog to push open and go in or out.

How do I install a dog door for a sliding glass door?

Installing a dog door for a sliding glass door is typically a fairly easy process. Many doors come with all of the necessary hardware and instructions. However, if you are not comfortable with installing the door yourself, you can always hire a professional to do it for you.

How big should my dog door for a sliding glass door be?

To find the right size, measure your dog’s shoulder height and width. Your dog door should be slightly larger than your dog to ensure they can move through comfortably.

What are some of the benefits of having a dog door for a sliding glass door?

Dog doors offer convenience, allowing your pet to move freely. They reduce the need for you to open the door constantly, giving your pet more independence.

Are there any drawbacks to having a dog door for a sliding glass door?

While there are many benefits to having a dog door, there are also some potential drawbacks. One of the most common problems is that other animals, such as cats or squirrels, may try to come into your home through the door. Additionally, if the door is not installed properly, it could allow cold air or rain to come into your home.

How do I keep my dog from using the dog door for a sliding glass door?

If you do not want your dog to use the door, you can simply lock it. Most doors have a locking mechanism that will allow you to keep your dog inside. Additionally, you can also train your dog not to use the door by using positive reinforcement, such as treats or praise.

What do you think is the best sliding glass door and why? Share your experience! Comment below ?

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