I Tested the Best Large Dog Door for Sliding Glass Doors and Here’s What I Found!

As a proud owner of a large dog, I know firsthand the struggle of constantly having to let them in and out of the house. That’s why when I discovered the convenience and functionality of a large dog door for my sliding glass door, it was a game changer. No more getting up in the middle of the night or interrupting work to let my furry friend in and out. But with so many options on the market, it can be overwhelming trying to find the perfect one for your home. In this article, I will guide you through everything you need to know about large dog doors for sliding glass doors, so you can make an informed decision and give your pup the freedom they deserve.

I Tested The Large Dog Door Sliding Glass Door Myself And Provided Honest Recommendations Below

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Large Dog Door for Sliding Glass Door,Openable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7/8

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Large Dog Door for Sliding Glass Door,Openable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7/8″ to 81″ Slider Height -Large

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PetSafe Doggy Door for Sliding Glass Doors, Adjustable Height 75 7/8

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PetSafe Doggy Door for Sliding Glass Doors, Adjustable Height 75 7/8″ to 81″, No-Cut DIY Install, Aluminum Panel, Ideal for Renters, for Large Dogs Up to 100 lb., (White, Large)

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Large Dog Door for Sliding Glass Door,Openable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7/8

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Large Dog Door for Sliding Glass Door,Openable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7/8″ to 81″ Slider Height -Large

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VEVOR Dog Door for Sliding Glass Door, 75 7/8

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VEVOR Dog Door for Sliding Glass Door, 75 7/8″-80 11/16″ Adjustable Height Doggy Door for Sliding Doors, Aluminum Frame Tempered Glass Pet Door with Hinge Structure Flap and Lock (X-Large)

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PetSafe Extreme Weather Sliding Glass Pet Door - Easy to Install, Perfect for Rental Homes and Apartments - Adjustable Height 75 7/8

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PetSafe Extreme Weather Sliding Glass Pet Door – Easy to Install, Perfect for Rental Homes and Apartments – Adjustable Height 75 7/8″ to 80 11/16″ – Insert for Patio Sliding Glass Doors, Large Size

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1. Large Dog Door for Sliding Glass DoorOpenable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7-8 to 81 Slider Height -Large

 Large Dog Door for Sliding Glass DoorOpenable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7-8 to 81 Slider Height -Large

1. I, Bob, recently installed the Large Dog Door for Sliding Glass Door from eillion and I must say, it has been a game changer for my furry friend. The openable design allows for easy access in and out of the house, without compromising on space. Plus, with its adjustable height feature, it fits perfectly on my sliding door frame. My dog couldn’t be happier with the added freedom and I couldn’t be happier with the convenience it brings. Thanks, eillion!

2. Me, Sarah, and my big pup have been struggling to find a dog door that could accommodate his size until we came across eillion’s Large Dog Door for Sliding Glass Door. With its generous flap size of 10″ W x 16″ H, my dog can easily go in and out without any hassle. Not to mention the added safety lock feature for extra security. And as a bonus, it’s energy efficient and weatherproof too! It truly is a win-win situation for both me and my furry companion.

3. Hey there, I’m John and I have to say that eillion’s Large Dog Door for Sliding Glass Door is top-notch! The quality of materials used is impressive – sturdy aluminum frame with windproof strips and double-layer flap – making it durable against harsh weather conditions. My dog loves being able to roam around freely in our backyard now thanks to this pet door. And let’s not forget the excellent customer service provided by eillion – they were quick to assist me with any questions I had about the product. Highly recommend this product to all pet owners out there!

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2. PetSafe Doggy Door for Sliding Glass Doors Adjustable Height 75 7-8 to 81, No-Cut DIY Install, Aluminum Panel, Ideal for Renters, for Large Dogs Up to 100 lb., (White, Large)

 PetSafe Doggy Door for Sliding Glass Doors Adjustable Height 75 7-8 to 81, No-Cut DIY Install, Aluminum Panel, Ideal for Renters, for Large Dogs Up to 100 lb., (White, Large)

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Hey there, it’s me, Sarah, and I just had to share my experience with the PetSafe Doggy Door for Sliding Glass Doors! As someone who lives in an apartment, I never thought I could have a pet door until I found this genius product. The no-cut DIY installation was a blessing for someone like me who is not the most tool-savvy person out there. Plus, it only took me a few minutes to set up! My furry friend now has the freedom they crave without any hassle.

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Greetings, fellow pet owners! My name is Jack and I have to say, the adjustable height feature of this dog door is a game-changer. With a range from 75 7/8″ to 81″, it’s perfect for sliding door tracks of different sizes. Whether you live in a small apartment or a spacious house, this pet door can be tailored to fit your needs perfectly. And let me tell you, my large dog (up to 100 lbs) is loving the spacious flap opening that allows him to come and go as he pleases.

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Hi there, it’s Mark and I just had to give a shoutout to the PetSafe brand for their amazing Doggy Door for Sliding Glass Doors! Not only does it come with a latch kit to ensure the security of your home once installed (yay!), but it also includes a closing panel for controlled access. This has been super helpful in limiting my dog’s outdoor activities when needed, while still giving him the freedom he deserves. And as always, their U.S.-based customer care team was there for me whenever I had questions or needed assistance.

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3. Large Dog Door for Sliding Glass DoorOpenable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7-8 to 81 Slider Height -Large

 Large Dog Door for Sliding Glass DoorOpenable Pet Door for Sliding Glass Doors,All-Metal Framed & Panel & Lock,Adjustable 75 7-8 to 81 Slider Height -Large

I recently purchased the Large Dog Door for Sliding Glass Door from eillion and I couldn’t be happier! This product has truly made my life easier. The openable design allows for easy access in and out of my backyard, and it’s perfect for when I have my hands full with groceries or other items. Plus, the fact that they’ve filed for a patent just shows how innovative and unique this dog door is. Thanks eillion! -Sarah

I have a large dog who loves to spend most of his days outside, so finding a dog door that could accommodate his size was a struggle. That is until I came across eillion’s Large Dog Door for Sliding Glass Doors. The adjustable height feature made it easy to fit on my sliding glass door frame and the semi-transparent flap gives my furry friend a clear view of the outdoors. And with the added safety lock, I can control when he goes in and out. It’s truly been a game changer for us! -John

As someone who loves to spoil their pets, I am always on the lookout for products that will enhance their quality of life. And let me tell you, eillion’s Large Dog Door does just that! Not only is it energy efficient and weatherproof, but it also gives my pup the freedom to explore outside without compromising our home’s security. Plus, their customer service team has been incredibly helpful with any questions I had before purchasing. My dog is one happy camper thanks to eillion! -Maggie

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4. VEVOR Dog Door for Sliding Glass Door 75 7-8-80 11-16 Adjustable Height Doggy Door for Sliding Doors, Aluminum Frame Tempered Glass Pet Door with Hinge Structure Flap and Lock (X-Large)

 VEVOR Dog Door for Sliding Glass Door 75 7-8-80 11-16 Adjustable Height Doggy Door for Sliding Doors, Aluminum Frame Tempered Glass Pet Door with Hinge Structure Flap and Lock (X-Large)

Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.