The Best Sliding Glass Dog Door of January 2023: Rankings & Reviews 2023

OPTIMIZE YOUR ENERGY BILL: By eliminating drafts in the winter and conserving air conditioning in the summer, PetSafe brand’s most energy-efficient pet door will protect your home in any climate

ENCOURAGE EXERCISE AND INDEPENDENCE: Give your cats and dogs freedom to go in or out without asking for your help to open the door—perfect for potty breaks or play time

3-FLAP INSULATION: Insulated to block 3 times more thermal energy than a standard pet door, and includes adjustable, flexible flaps with a magnetic seal to keep the weather outside where it belongs

BUILT TO LAST: Durable metal frame has reinforced aluminum corners and is built to handle multi-pet households; sturdy slide-in closing panel controls your pet’s access and keeps stray animals out

MULTIPLE SIZE OPTIONS: Medium for cats or dogs 1 - 40 lb; Large for dogs 1 - 100 lb; Extra Large for big dogs 12 - 220 lb

FREEDOM FOR YOUR PET: Let your dog go outside for potty breaks and playtime on their own schedule

SIZE MEDIUM: Designed for pets up to 40 lb; flap opening measures 8 1/8 in W X 12 1/4 in H

CONTROL YOUR PET’S ACCESS: The snap on closing panel allows you to control your pet’s access and keep stray animals out of your home

MATCH YOUR HOME DÉCOR: The paintable plastic frame allows you to match the pet door to your door’s existing color

EASY DIY INSTALLATION: Great for interior or exterior wood, PVC, metal and paneled human doors between 1/16 inches and 2 inches thick

U.S.-BASED CUSTOMER CARE: Let our pet product experts help; we’re available Monday through Saturday to answer your questions.

✔ NO WORRIES FREEDOM FOR YOU AND YOUR PET: your dogs and cats will love their new independence to go in and out the door without your help; easy to use and durable, energy efficient and secure, our pet doors have all your needs covered; medium size flap works well with small and medium dogs

✔ INSTALL RIGHT OUT OF THE BOX: our simple to follow instructions walk you step by step through the installation; we've included a special section for paneled doors; double flap mount suitable for doors 1-3/4" to 2-1/4" thick

✔ EASY TRAINING FOR YOUR DOG OR CAT: our unique Endura Flap doors feature a three-sided magnet design adjustable for training or for timid pets while providing the strength you need to keep the wind out; flaps are rated to stay shut in gusts of up to 50 mph; all doors come with a secure locking cover when not in use

✔ SAVE ON YOUR ENERGY BILL: our award winning double flap dog doors and cat doors are designed for maximum energy efficiency even in the most extreme weather; our patented technology resists energy loss from your home in temperatures as low as -40 degrees Fahrenheit

✔ BE CONFIDENT IN YOUR PURCHASE: Endura Flap pet doors are Made in the USA, with a high quality aluminum frame and interior wall tunnel to ensure durability and security for the life of the door; the patented flap is non-toxic and recyclable, remains flexible in the cold, and pivots on a rod to prevent cracking and tearing; our industry leading 15 year warranty has you covered

PERFECT FOR APARTMENTS/RENTAL HOMES AND 2 ADJUSTABLE SIZES: This rental-friendly door installs easily in 1 piece so you can easily take it with you if you and your best friend move. The patio panel is available in 2 adjustable heights to fit in your existing sliding door track; adjustable up to 80 11/16 in or 96 in

DESIGNED FOR LARGE PETS: Flap opening is 10 1/4 W x 16 3/8 in H for pets up to 100 lb

SECURITY LOCK & CONTROLLED ACCESS: The latch kit allows you to lock your sliding glass door once the pet door is in place and then use the closing panel to limit your cat or dog’s access when needed

ENERGY EFFICIENT & DURABLE: This door is made with weather resistant aluminum, shatter resistant tempered glass and a magnetic closure on the pet flap. This door is built to withstand heavy use, the door has an aluminum frame and tempered glass

【ROBUST CONSTRUCTION】Prime aluminum frame with the 17’’x11’’yellowing-resistant flap of XL dog door guarantees great security for the home. All of our materials on heavy-duty dog doors are tested by US and EU quality standards

【SAVING ENERGY&SECURITY】Weatherproof function of the dog door in the wall is achieved by a magnetic closure and UV-resistant flap. A locking panel is included in a large dog door, which can not only double protect the security of the home but also reduce heat transfer in rough weather

【MAXIMUM FREEDOM FOR PETS】Aluminum dog door gives your pets the independence to go outside on their own and simplify your life as a pet parent. Our large dog door comes with a slide-in panel and a locking system that would help you always stay in control

【EASY DIY INSTALLATION】Easy installation under the help of MAVRICFLEX aluminum large dog door detailed instructions even for the most “non-handy” person

【LIFETIME GUARANTEE】Customer satisfaction has always been our top priority. MAVRICFLEX offers lifetime free customer service. We will replace missing parts or broken parts of the aluminum dog doors caused by the manufacturer at no charge on your side

NO-TOOLS NEEDED - Adjustable top for fast, easy install and removal. Ideal fit for modern white patio sliders. Pet door flap sizes for small, medium, large, and extra large dogs. Great for rentals, vacation homes, and apartments!

ENERGY EFFICIENT WEATHER RESISTANT DESIGN - Insulates your home in cold and hot temperatures using tempered clear dual-pane LoE glass. Durable, insulated flap lets your dog in and keeps all weather out

STRONGEST VINYL FRAME - Designed specifically to fit and compliment modern vinyl sliding glass panel patio doors that have a track thickness of at least 1 1/2". Strong white vinyl frame provides the best flush fit into the slider track and made to last

KEEPS HOME COZY AND SECURE - Sturdy pet door flap resists winds up to 50 mph and shields inside home against the harshest weather outdoors in winter, spring, summer and fall. Strong locking cover secures doggy door to keep your dog in or anything else out

LIFETIME WARRANTY - makes all our high quality doggie doors in the United States and offers a lifetime guarantee on all parts, products, and components to be free of defects in materials and workmanship

PERFECT FOR APARTMENTS AND RENTAL HOMES: This rental-friendly door installs easily in 1 piece so you can easily take it with you if you and your best friend move

2 ADJUSTABLE SIZES: The patio panel is available in 2 adjustable heights to fit in your existing sliding door track.

DESIGNED FOR MEDIUM PETS: Adjustable height from 75 7/8 inch - 81 inch. Flap Opening-8 1/4 inch x 12 3/16 inch up to 40 pounds

SECURITY LOCK: The latch kit allows you to lock your sliding glass door once the pet door is in place

CONTROLLED ACCESS: Use the closing panel to limit your cat or dog’s access when needed

STRONG AND DURABLE: Built to withstand heavy use, the door has an aluminum frame and tempered glass

U.S.-BASED CUSTOMER CARE: Let our pet product experts help; we’re available Monday through Saturday to answer your questions

This product can expose you to chemicals, including carbon black, VCM, Ethyl Benzene, Methyl Alcohol, and/or Toluene, which are known to the State of California to cause cancer and birth defects or other reproductive harm

ENERGY EFFICIENT: This energy-efficient sliding glass pet door has dual-paned glass, weather stripping and 3 insulating pet door flaps to keep the weather out and help optimize your energy bill

PERFECT FOR RENTERS: This pet door is easy to install and detach; uses the included adhesive strips so you can easily take it with you if you and your pet move

ADJUSTABLE FIT: The pet door easily installs into your existing sliding glass door track and the height automatically adjusts to ensure a proper fit

3 FLAPS INSTALLED: Pet door includes 3 flexible flaps with a magnetic seal to insulate against the outdoor weather

SECURITY LOCK: To lock your door, mount the included security bar between your door frame and the interior sliding panel of your glass door

2 INSTALLATION OPTIONS: You choose whether to secure the pet door in place with adhesive or the included screws

LARGE SIZE: Sliding glass pet door is best for pets up to 100 pounds; Door opening measures 10 1/4 in W X 16 1/4 in H

CUSTOMER CARE: Let our pet product experts help; we’re available Monday through Saturday to answer your questions

ENCOURAGE EXERCISE AND INDEPENDENCE: Give your cats and dogs freedom to go in or out without asking for your help to open the door—perfect for potty breaks or play time

QUICK, DIY INSTALL: Snaps directly into your existing screen door, window or porch screen for easy installation, and blends perfectly with your existing screen

DURABLE DESIGN: High-impact plastic frame surrounds a strong mesh that is puncture and tear-resistant for long-lasting use; large door is reinforced with fastening screws

SAFE AND SECURE: Large door has sliding wind-locks that are strong enough to resist flapping open in the breeze but not so secure that your dog can’t run through; small door locks to prevent entry

STORM DOOR/WINDOW/PORCH COMPATIBLE: Works with most metal or vinyl coated fiber screens

DIMENSIONS: For pets up to 100 lb; flap opening size is 10 1/4 in W x 17 1/8 in H; measure your pet to ensure comfortable use

CUSTOMER CARE: Let our pet product experts help; we’re available Monday through Saturday to answer your questions