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Home > Cat & Dog Products > Pet Doors > Pet Doors - Shop by Size > Large Pet Doors

Large Pet Doors


Large Pet Doors If you have a big dog then you'll need a large pet door. But please measure your pet so you don’t buy “more door” than you need.

To be truly satisfied with your purchase it is in your best interest to get a large pet door that is the perfect size for your big dog, not just "close enough". There are various down-sides to getting the wrong size pet door, even if your dog is still able to use it. Please see info section below for tips on selecting the correct size from our extensive lineup of large pet doors.

See our valuable Info section for these products!

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Gun Dog Heavy Duty Dog Door
(Item #: HDD-001)
PetSafe Smart Door Electronic Pet Door - Large 11 x 15 3/4
(Item #: PPA11-10709)
Plexidor Electronic RFID Pet Door - Door Mount
(Item #: PDEDOOR)
Solo Electronic Pet Door - Door Mount
(Item #: SOLO-DOOR)
Gun Dog Heavy Duty Dog Door
Your Price: $98.00
PetSafe Smart Door Electronic Pet Door - Large 11 x 15 3/4
Your Price: $155.95
Plexidor Electronic RFID Pet Door - Door Mount
Your Price: $1,821.00
Solo Electronic Pet Door - Door Mount
Your Price: $435.00
Gun Dog Easy Pet Door
(Item #: EED-003)
High Tech Pet - Power Pet Door - Large 12 1/4 x 16
(Item #: HITEC-PX-2)
Plexidor Electronic Pet Door - 12 3/4 x 20 Wall Mount
(Item #: PDEWALL)
Smart Pet Door - Large 13 x 16 - Lexan Door Mount
(Item #: DNL)
Gun Dog Easy Pet Door
Your Price: $98.00
High Tech Pet  - Power Pet Door - Large 12 1/4 x 16
Your Price: $349.99
Plexidor Electronic Pet Door - 12 3/4 x 20 Wall Mount
Your Price: $1,933.00
Smart Pet Door - Large 13 x 16 - Lexan Door Mount
Your Price: $248.85
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Solo Electronic Pet Door - Wall Mount
(Item #: SOLO-WALL)
Gun Dog Easy Big Dog Door
(Item #: GD-EBDD)
Ideal Fast Fit Sash Window Pet Door - 10 x 15 Flap
(Item #: IDEAL-SASHXL)
Ideal Original Pet Door - Large - 9 x 15
(Item #: IDEAL-PPDL)
Solo Electronic Pet Door - Wall Mount
Your Price: $435.00
Gun Dog Easy Big Dog Door
Your Price: $138.00
Ideal Fast Fit Sash Window Pet Door - 10 x 15 Flap
Your Price: $144.99
Ideal Original Pet Door - Large - 9 x 15
Your Price: $49.99
Ideal Ruff Weather Dog Door XL - 9 3/4 x 17 Dual Flaps
(Item #: IDEAL-RWPD)
Patio Pacific Door Mount - Large #10 Endura Flap
(Item #: 03PP10)
PetSafe Aluminum Wall Entry Pet Door - Large
(Item #: PPA11-10917)
PetSafe Extreme Weather Pet Door - Large 10 1/8 x 15 3/4
(Item #: PPA00-10986)
Ideal Ruff Weather Dog Door XL - 9 3/4 x 17 Dual Flaps
Your Price: $124.99
Patio Pacific Door Mount - Large #10 Endura Flap
Your Price: $289.00
PetSafe Aluminum Wall Entry Pet Door - Large
Your Price: $125.99
PetSafe Extreme Weather Pet Door - Large 10 1/8  x 15 3/4
Your Price: $120.99
PetSafe Freedom Aluminum Pet Door - Large 10 1/4 x 16 1/4
(Item #: PPA00-10861)
Gun Dog Big Dog Door
(Item #: GD-BDD)
Ideal Original Pet Door - 10 1/2 x 15
(Item #: IDEAL-PPDXL)
Plexidor Pet Door - 11 3/4 x 16 Large
(Item #: PDLGDOOR)
PetSafe Freedom Aluminum Pet Door - Large 10 1/4 x 16 1/4
Your Price: $93.99
Gun Dog Big Dog Door
Your Price: $138.00
Ideal Original Pet Door - 10 1/2  x 15
Your Price: $70.99
Plexidor Pet Door - 11 3/4 x 16 Large
Your Price: $444.00
Plexidor Pet Door - Large Wall Mount 11 3/4 x 16
(Item #: PDLGWALL)
Staywell Large Pet Door
(Item #: STAYWELL-760-775-777-LG)
Hale Pet Door for Doors - Large Sizes
(Item #: hale-door-unit-large)
Patio Pacific Pet Door for Walls - Large - #10 Endura Flap
(Item #: 04PP10)
Plexidor Pet Door - Large Wall Mount 11 3/4  x 16
Your Price: $587.00
Staywell Large Pet Door
Your Price: $65.99
Hale Pet Door for Doors - Large Sizes
Your Price: $297.00
Patio Pacific Pet Door for Walls - Large - #10 Endura Flap
Your Price: $369.00

Of course, if you purchase a door that is too small (especially in width) your dog won't be able to use it. On the other hand, large pet doors that are too big will allow more of your home's heat or air-conditioning to escape when your pet uses it than with a smaller door. This will definitely result in higher energy bills. (It's worth noting that if your region experiences extreme high or low temperatures you would be well advised to choose one of our energy-efficient pet doors. They usually cost more but they are worth it.)

In addition, large pet doors cost more than smaller ones. And that is why America's Pet Store urges you to take the time to determine the best size door for your pet.

At first glance it may look like the best way to select the correct size is to rely on general descriptions of small, medium or large pet doors. The problem with relying on general sizes is that there is no standard across the industry. So, for example, large pet doors made by Patio Pacific Pet Doors may actually be a lot bigger than large pet doors made by a different manufacturer such as Ideal Pet Doors.

The bottom line is that you really should measure your dog before purchasing one of our large pet doors. It only takes a few minutes and is well worth the time. To determine the ideal width of the flap/entrance, have your dog walk through a doorway with the door open just enough for him or her to get through. Then measure that space.

Before purchasing one of our large pet doors you'll want to determine the ideal height of the pet flap/entrance. Measure your dog from the lowest point of the chest/belly up to the highest point of the back/shoulders and add 4" to that measurement. That will be the ideal total height of the flap/entrance for your dog. If adding 4" makes the door too tall for the area you want it installed then you can get away with one that is not quite as high. But under no circumstances should the door be any shorter than the measurement from your dog's belly up to his or her shoulders. (Be sure to factor in for growth if your dog is not full grown.)

These measuring tips are applicable to all styles of large pet doors including patio pet doors, door-mount and wall-mount pet doors and window pet doors.

There is one circumstance where you might choose from large pet doors instead of smaller ones: if your measurements turn out to be in-between a medium or large, then you may want to consider "trading up" to large pet doors. This can account for possible future weight gain in your dog's senior years.

Another thing you should definitely not rely on are weight recommendations for choosing a size. A Bulldog and a Lab might be similar in weight…but the similarities end there. The ideal size pet door for these two breeds would be quite different because their width and/or height are not even in the same ballpark.

We sell more products labeled as large pet doors than any other size at America's Pet Store. We hope it is because there are a lot more big dogs out there than there are medium or small ones, and not because people are not taking time to measure their dog.

We work very hard to offer the lowest possible prices to our customers, so it would be a shame if they were losing money by choosing large pet doors when a medium size would be more appropriate. Of course, if you do have a big dog, we have many styles of large pet doors available in a wide range of prices. If you have any doubts or questions as to whether or not one of our large pet doors would be right for your dog please contact our Customer Service Department.

America's Pet Store offers pet doors for dogs as well as pet doors for cats including electronic pet doors which are fully automatic pet doors. Naturally we carry all sizes including small pet doors; medium to large pet doors; and XL pet doors.

We also offer many different brands of pet doors for sliders including PetSafe pet doors, Hale Pet Doors, High Tech Power Pet Doors and others. Many pet doors for sliding glass doors do not require tools to install; you can just insert pet doors for patio doors right into your slider's track. Please note that we no longer carry storm doors with pet doors because they don't survive shipping.

In addition to the popular brands already mentioned we also carry DogWalk Pet Doors, Freedom Pet Pass pet doors, Plexidor pet doors and Staywell Pet Doors.

Shop with confidence at America’s Pet Store and save with our everyday low prices!

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America's Pet Store offers one of the largest selections online of hard to find pet products including pet doors, dog ramps, parrot cages, and automatic cat litter box products. At America's Pet Store, you will find all your pet electronic needs including electric dog fence and wireless dog fence systems, bark collar and shock collar products, dog training collars, and the latest Garmin Astro Dog Tracking System. America's Pet Store is an authorized dealer for all the top brands including PetSafe, Dogtra, DT Systems, SportDOG, Plexidor, and Hale pet doors. Shop with confidence at America's Pet Store with our Price Protection Plan, and FREE shipping on everything we sell!