The separate list of the Best Electronic Dog Door 2021 is plotted based on customers’ opinions and extraordinary product features.

  1. PetSafe Electronic Smart Door
  2. PetSafe Interior and Exterior Cat Door
  3. Cat Mate Electromagnetic Flap(White)
  4. High Tech Pet Power Door
  5. Perfect Pet All-Weather Energy Efficient Door
  6. Solo Pet Automatic Doors For Cat and Dogs
  7. PetSafe Freedom Aluminum Patio Panel Sliding Glass Door
  8. Endura Flap The Double Flap Wall Mount Door
  9. PetSafe New Wall Entry Pet Door
  10. PetSafe Freedom Aluminum Patio Panel Sliding Glass Pet Door

Let’s explain the each product in detail. This will help you to choose the Best Electronic Dog Door 2021.


The PetSafe Electronic Smart Pet Door is clearly a winner for the Best Electronic Dog Door and the Best Electronic cat doors. Its delicate size and the technology that it uses, the features it provides is clearly enough to know why most of the people buy this model. It is applicable for small dogs and cats too. It is available with small door with a smart key and a large door with a smart key, it has 4 types of locking control system:

  • Programmed Entry
  • Exit options(Automatic Settings)
  • Door can be set to be fully locked
  • Door can be set to be fully unlocked

It is great for a house with pets, it is easy to programmed(the package includes one programmed smart key). It is easy to install using the install kit, and you can install it yourself, it can be installed in to a standard size paneled wood made, metal and PVC doors with 1 ½ in – 2 in thickness, wall installation is also available. This is very easy to set up, once the dog door is installed it can be set up with minutes using the programmed key, it operates on 4 D-cell batteries. It is designed for large pets up to 100 pounds of weight.

The PetSafe provides great customer care to its customers based in U.S, PetSafe provides the best guaranteed Quality, as they are in the market for more than 30 years helping people and their dogs to live a happy and easy life. Choose the right pet door for you as it is available for:

  • Interior or Exterior Door
  • Wall mount
  • Patio Panel (Perfect for sliding glass doors)
  • Electronic Smart Door


  • Dimensions: 8.6 x 3.2 x 27.1 inches ; 8 pounds
  • Weight: 8.8 pounds
  • ASIN: B000WJ0IGA
  • model number: PPA11-10709
  • Batteries: 1 AA batteries (included)
  • Warranty: Yes

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  • Easy to install
  • Good quality
  • Battery powered
  • Include locking features
  • Good against noise
  • Not Good for 2 dogs


The PetSafe Big Cat Flap pet door is advertised for the big cats though. It gives your big cat a freedom of going outside and inside as the cat pleases. It is also very helpful for your small dog that weighs less which provides your dog access to in and out of home. This model contains 4-way locking system provides following modes of locking:

  • In-only
  • Out-only
  • Locked
  • Open

This generous sized door is designed so it can fit the interior and exterior and the windows and the walls as well(walls tunnel extension kit is ordered separately).  It is made up of a durable plastic frame. The model is a good effective solution for the needs of your pet. Its design is slim so that it could merge well with the design of your interior. The door can easily be locked with knob design. PetSafe provides this product with guarantee and they also support their customers in case of any problem.


  • Dimensions: 12.8 x 2 x 11.4 inches ; 15.8 ounces
  • Weight: 1.5 pounds
  • ASIN: B0002AAT72
  • Model number: PPA00-11326
  • Warranty: Yes
  • Large opening for cats and small dogs
  • Durable Frame
  • Design is slim
  • Good sturdiness
  • Energy efficient
  • Fits well to doors
  • Pet needs to learn its usage


The Cat Mate Electromagnetic Cat Flap is an Electronic Doggy Door which fits well for the small dogs very well. Stray pets can always be a great problem for us but the design of this model provides the best reliable solution. This gives an easy to use 4-way locking system like other doors as well, so a cat wearing small wearing that doubles as identification, then electronic door provides guaranteed and comfortable in and out of your pet of selected size and temperament.  

This is hard to find the Electronic Doggy Door under $50 but this one works really well. It can be installed easily and quickly as it is self-sealing upto 2-3/8 Inches). Its controls are easy to manage with a 4-way control knob. All you need to do is turn its knob to the lock control whichever side you want and it can also be controlled in whatever direction you want your dog(pet) to go to.

It contains a noise reduction edge which is helpful in keeping the air flow and the dust out. You must always ensure that 4-way lock is seated in the right direction, that is if the pet wants to go in and out that its position should be unlocked. The package includes all these instructions as well.


  • Dimensions: 8 x 4.2 x 9.5 inches ; 10.4 ounces
  • Weight: 1.4 pounds
  • ASIN: B0002DHN6Y
  • Item Model Number: 254W
  • Warranty: Yes
  • Easy to install
  • Cheap
  • Highly Recommended
  • Good(Sturdiness)
  • Life Changing Cat/Dog Door
  • Noise reduction door
  • Two Magnetic Keys
  • Zero Cons


The High Tech Pet Electronic Doggie Door is the best top rated door due to its features and its performance. It is being acclaimed by the customers and the experts who own a four legged friend at home. It comes in two sizes medium and large, if your pet weighs 30lbs then go with the medium one and if your pet weighs up to 100lbs then you should buy the large size. This includes an ultrasonic pet collar which helps your pet to come in and out easily.


It consists of a translucent door panel which is built with bulletproof resin, this has the ability that the door opens and get closed on its own. This has a patented directional ultrasonic sensing electronic system which enhances its ability against doors which are using other like radio or magnetic technology.

The collar has the ability to activate its motor driven vertical sliding door. The collar is not heavy weight, it is lightweight and its size is small also and the strap can also be adjusted. Its deadbolt lock provides security against intruders, it is the only available airtight sealed door available for your pet in the market.


  • Dimensions: 18 x 6 x 47 inches
  • Shipping Weight: 15.4 pounds
  • Shipping: Product can be shipped within U.S.
  • International Shipping: This product is not eligible for international shipping
  • Model Number: PX-2Batteries: 1 Nonstandard Battery(included)

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  • Motor driven vertical sliding technology
  • Sensing System is Directional
  • Four Way Access Control Design
  • Automatic deadbolt locking system
  • Strongly built for outdoor weather
  • Price is little high


The Perfect Pet Energy Efficient is the Best Dog Door which comes in 4 different flap sizes, small, medium, extra large and super large. As we know that the energy cost is rising day by day so it is very important to buy an energy efficient dog door. This efficient dog door is also efficient with every kind of weather it always works perfectly whatever the weather condition is.

It has an innovative double vinyl flap design which helps in creating air pockets to create maximum insulation. This Product has a structural foam molded plastic design which makes it energy efficient. It includes an adjustable frame telescopes with ¾-inch to 1 ¾-inch of thickness. If you want a wall kit then it is being sold separately. As the material used is sturdy which helps bringing much needed durability of the product. The product is very easy to install.


  • Dimensions: 22.2 x 14.1 x 6.1 inches
  • Weight: 10.4 pounds
  • Domestic Shipping: Product can be shipped within U.S.
  • International Shipping: This product can be shipped to select countries outside of the U.S
  • ASIN: B001GL2S6Q
  • Model Number: AWXL
  • Plastic is sturdy
  • Holds well
  • Amazing wide range sizes available
  • Energy Efficient
  • Best for all weathers
  • Keeps the air out
  • Need to install perfectly


The Solo Pet Automatic Dog Door in Door is certainly the best product so far. It comes with different sizes available for the door as well as wall too in different inches of size available both for wall and doors. So say no to always standing there opening and closing the door. This Solo motorized automatic pet door will take your doorman job away.

The automatic solo pet door is absolutely the best choice for your pet as it close due to gravity which makes it noiseless too. It is an automatic model for dogs and cats which opens and close on its own. It has a pet sensor whenever your pet comes near the pet door becomes activated so your pet can enter or leave. Always measure your dog proper size before you buy the pet door.


  • Dimensions: Available in 10 different dimensions
  • Weight: 15.2 pounds
  • Best for cats & dogs
  • Help you from always giving doorman duties due to its automation
  • Prevents intruders from entering the house
  • Works efficiently
  • Easy to install
  • Pictures are small so can be misleading to understand


The PetSafe adjustable patio panel Sliding Glass Door with Doggie Door comes with a variety of colors and different sizes ranging from small size to the extra large size, so you could have a choice to choose the best size for your door or wall wherever you want to place the frame. The Door is available in three different colors.

It is the perfect door for people renting a house, due to the reason that the door is detachable so it can be taken off and kept if you are changing your house. It is energy efficient. The slightly colored flexible flap uses magnetic technology which keeps the cold and air outside of your home with the help of Sliding Glass Door with Doggie Door.

The aluminum framing is covering the door, it is built using the weather resistant aluminum and shatter resistant tempered glass to keep the dog door strong and durable for the pet owners. The dog owner can control the access to their pet outdoors using the slide in the closing panel.


  • Dimensions: 4.2 x 10.2 x 16.4 inches ; 23 pounds
  • Shipping Weight: 24.1 pounds (View shipping rates and policies)
  • ASIN: B005CO91TK
  • Item Model Number: PPA11-13129
  • Warranty: Yes

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  • Sturdiness is perfect
  • Easy to install
  • Energy Efficient model
  • Weather Proof
  • Highly Recommended
  • Zero Coins


The Endura double flap wall mount pet door is the all in one award winning door. This Double Flap Door has the most good reviews from customers. It is Energy saving door.  This has a strong magnetic seal, the wall mount door is fitted with a three sided power magnets which are adjustable and whenever the wind flow is high these magnets help to stay shut.

It can control up to 50mph of air. This is consists of a sturdy aluminum tunnel. Its white aluminum frame is sturdy in to the stucco and into the siding and other materials in your house. It is made up of heavy gauge metal. Rather than weak security cover or flexing plastic.

It has a clip lock which keeps the door lock when your dog is away or you are away from your home providing an extra layer of security. This comes in different sizes from small to extra large version with different flap dimensions so choose the perfect size and color to maintain the decor of your door and maintain the security with Endura Double Flap automatic energy saving dog door.


  • Dimension: 28 x 17 x 7 inches
  • Shipping Weight: 19.8 pounds (View shipping rates and policies)
  • ASIN: B003P5LWWC
  • Item Model Number: 04PP10 2
  • Warranty: 10 year(15 years of Flap)
  • Flexible & Safe Design
  • Energy Efficient
  • Sturdy
  • Perfect fit for large and small dog breeds and cats
  • Holds up in all seasons
  • Price is high


The PetSafe wall entry Door for Dog is available in three different sizes and it has two versions, the new version is for wall mount and the old version is for door so it can be used with wall and the doors easily. It is easily installable from the interior and exterior both sides of the wall.

So basically it is eligible in providing your pet entrance from inside and from outside of the wall besides from the door only. It consists of a durable aluminum frame. The durable plastic telescopic tunnel fits really well in the wall. The door consists of two flaps which are replaceable and keeps the weather outside providing an extra layer of efficiency. Its slide-in panel provides insulation and control to the access of your pet. Its installation is easy as the telescopic tunnel is there to make sure the installation is easy in the walls. It can hold weights up to 100lbs.


  • Dimensions: 8 x 15 x 22 inches ; 5.6 pounds
  • Shipping Weight: 9.6 pounds (View shipping rates and policies)
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B000GF0WX4
  • Item Model Number: PPA11-10917
  • Warranty: YES
  • Weatherproof
  • Energy efficient
  • Consists of tunnel telescopes for better fit in walls
  • Works well for pets with 100lb weight
  • Good in Quality
  • The magnet is not comfortable for some pets


The PetSafe freedom aluminum Dog Door in Sliding Glass Door provides your dog and cat freedom to move in and out of the house in a comfortable environment to go through. It comes in 5 different sizes with different dimensions. This product is good for dogs and cats. It is available in three colors so you can choose the color which will suit your door.

The Dog Door in Sliding Glass Door is a perfect choice for renters as it is detachable so it can move with you if you change your house. The tinted flexible flap used on the dog door uses magnetic technology to keep the heat of outside away from entering inside the house. It is durable and strong because it was built with the weather resistant aluminum and shatter resistant. It has tempered glass which is good to keep the door strong.


  • Dimensions: 4 x 14 x 85.2 inches
  • Shipping Weight: 15.9 pounds (View shipping rates and policies)
  • ASIN: B001PB5FPI
  • Item Model Number: PPA11-13135
  • Warranty: Yes
  • Easy and quick to install
  • Weatherproof frame
  • Design looks great
  • Energy efficient
  • Even 113lb dog can go through easily
  • High price