Keep The Draft Away With These 11 Best Insulated Dog Door

There are two main reasons you would need to choose the best insulated dog door. The first is to allow your pet come and go as needed without troubling you. This also means no more accidental pooping which you would spend time cleaning. In addition, this would prevent your pet from developing diseases such as UTI that are caused by holding in urine for a long period of time.

Best Insulated Dog Door

The second major advantage of an insulated dog door is enjoyed if you live in a climate that experiences severe or harsh weather, i.e., it gets extremely hot or freezing. Top quality insulated dog doors help to effectively keep outdoor weather from affecting internal temperatures.


Top 11 Best Insulated Dog Door :

Insulated Dog Doors Rating Price
Freedom Pet Pass Dog Door with Insulated Flap A+ $$$
Endura Flap Double Flap  Dog Door A+ $$$
Pet Safe Wall Entry Telescoping Door A $$
Endura Flap Double Flap Door-Mounted Pet Door A $$
Ideal Pet Products Ruff-Weather Telescoping Frame Pet Door A $
PetSafe Freedom Aluminum Sliding Pet Door A- $$
Perfect Pet All-Weather Energy-Efficient Dog Door A- $$
Pet Safe Extreme Weather Energy-Efficient Pet Door A- $
Ideal Pet Products VIP Vinyl Insulating Pet Patio Door A- $$$
High Tech Pet Electronic Pet Door B+ $$$
Freedom Pet Pass Wall-Mount Energy-Efficient Dog Door B+ $$


Buying Guide:

What Things Should You Put Into Consideration When Choosing Insulated Dog Door ?

It can be a bit confusing when it comes to buying an insulated dog door as there are quite a number of things to bear in mind in order to select the most suitable one.

  • The size of your dog: Dog doors are available in various sizes ranging from small to super large, depending on the size and weight of your pet. A bigger dog would need a longer and wider dog door while a smaller pet would easily make do with a smaller one. Endeavor to buy a door based on the final height and weight of your pet at maturity; except you intend on buying and re-installing a dog door each time the your pet grows a bit.
  • The location of the door: You would also need to consider where and how the door would be mounted. Some dog doors are door-mounted, requiring a part of your home door to be cut out to accommodate your pet’s door. Some pet doors are designed to be installed in a wall by creating a whole in the wall you intend to affix the door to. If you live in a rented home or are unwilling to break things to install a pet door, there are doors that are built to easily fit into sliding glass doors.
  • The thickness of your wall or door: Most pet doors are designed to fit walls with thicknesses between 1 ¼ to 2 inches. However, a number of dog doors come with telescoping frames which enable you easily install them into walls or doors of varying thicknesses.
  • Manually or Electronically Operated: The use of pet doors that function manually or electronically is also an important factor to consider. Manual doors usually include basic flap structures where your dog simply needs to push through. They are quite inexpensive and include locks which would need to be physically locked to restrict your pet’s movement, keep away strays or to increase its weather-resistant capabilities.

Electronic doors operate by automatically sliding open and close when your pet approaches. They are usually operated by smart keys which sometimes come installed in a dog collar or an existing dog microchip. Typically, they are more expensive compared to manually-operated pet doors.

  • The number of flaps: A well-insulated dog door would typically have double or triple flaps for when one flap doesn’t completely seal shut. Also, multiple flaps usually produce an air pocket in between them to trap cold or hot air.
  • The inclusion of brush seals in the frame: When brush seals are inside the frame of a dog door, the door is better insulated and more properly sealed, enabling you save way more on energy bills.
  • The use of energy-efficient materials: If the frame and flaps are made using energy-efficient materials such as molded plastic, the level of insulation is higher.
  • A magnetic flap closure: Quality magnetic flap closures are included in the best insulated dog doors to ensure the flaps seal off fully.
  • The addition of weatherproofing strips: Weatherproofing strips aid in insulation and to help seal the door properly.

How to Measure Your Dog to Determine the Size of a Dog Door

To get the perfect door size, you would need to measure the height and width of your pet. You would also need to calculate the rise at the bottom of the door.

  • Measuring the height of your dog: To calculate the height of your dog, measure the distance from the floor to the withers, which is the bony protrusion between the shoulder blades. Give an allowance of 2-inches to determine the final height of the dog door opening.
  • Measuring the width of your dog: The width of the pet door will be detected by measuring the distance between the widest part of your dog, which is usually the ribcage. As with the height, also give a two-inch allowance to obtain the final width of the opening of your dog door.
  • The rise at the bottom of the door: The rise is the area at the bottom of the door which your dog would need to step over when entering or exiting. The door you intend on purchasing may come with the rise added. It would need to be mounted at a height that is most convenient for your pet. However, if you own a small or older dog you could go for a door with no rise.

It should be noted that if you own more than one pet, the size of the opening should be high enough for the tallest pet but low enough for the smallest.


Top 11 Insulated Dog Doors :

  1. Freedom Pet Pass Dog Door with Insulated Flap

Freedom Pet Pass Door-Mounted Energy-Efficient Dog Door with Insulated FlapAdapted with energy-efficiency in mind, the Freedom Pet Pass door-mounted dog door allows your pet come in and go out easily while simultaneously eliminating draft. The door frame is constructed with sturdy insulating cellular PVC, which the manufacturers boast of having 3000 times more R-factor than many other aluminum dog doors.

The door flaps are held in place by a tough and distinctive 2-in-1 DoubleMag system to ensure it actually stays airtight. The door has been built to last using top-grade materials and it includes a locking clear acrylic security panel which isn’t complicated to operate. It comes in three sizes – small, medium and large – depending on the size of your dog.

Key Features:

  • Door-mounted
  • Energy-efficient and weather-resistant
  • Made with strong cellular PVC for a high level of insulation
  • Includes a locking acrylic panel for utmost security
  • Door flaps are attached to the frame using a unique magnetic flap system

Check Latest Price and Reviews


  1. Endura Flap Double Flap  Pet Door

Endura Flap Double Flap Wall-Mounted Pet DoorThis top-rated wall-mounted pet door is highly energy-efficient as well as wind-resistant. It works efficiently in areas with moderate to extreme weather conditions and climates. The door comes with a durable and heavy-duty extruded aluminum framing which can be readily installed into solid, metal or storm doors.

The environmentally-friendly flaps of the door have an adjustable magnet strength that makes it effortless to train your pet to use. In addition, it includes a resilient locking cover with a user-friendly clip lock to seal the door firmly shut when not in use. It is available in various sizes and attractive colors.

Key Features:

  • Wall-mounted
  • Double flaps for increased insulation
  • It comes with an aluminum framing for effortless installation
  • Contains an easy-to-use clip lock to seal off door when not in use
  • Energy-efficient and windproof

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  1. Pet Safe Wall Entry Pet Door With Telescoping Tunnel

Pet Safe Wall Entry Pet Door With Telescoping TunnelIf it is simply impractical or inconvenient for you to install a door for your pet on an entry or side door, then this is one of the best dog doors for you. It features an insulating double-flap design made with the most durable materials.

It can be easily installed into both interior and exterior walls of various materials including brick and stucco. With the telescoping tunnel, you can adjust the door to fit walls of any width.

The door comes with a slide-in closing panel to provide a supplementary passage which can be used to cut off temporary access for your pet as well as to prevent strays from finding their way into your home. The closing slide-in panel is also efficient for extra weather-resistance. It comes in three sizes and can be used for pets up of up to 100lbs.

Key Features:

  • It can be installed into walls of different materials
  • It has an insulating double-flap design
  • Telescoping frames can be adjusted to fit any wall thickness
  • Comes with a closing slide-in panel for maximum security

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  1. Endura Flap Double Flap Door-Mounted Pet Door

Endura Flap Double Flap Door-Mounted Pet DoorAs opposed to the Endura Flap wall-mounted pet door which is wall-installed, this pet door is door-mounted. It is highly energy-efficient and offers an equally great level of wind resistance in locations with moderate to harsh climates. It is designed to be flexible and safe.

Training your pet to use this door comes easy as it includes an environmentally-friendly flap with a magnet strength that can be adjusted. It includes a heavy gauge aluminum framing for easy installation into solid, metal or storm doors. In addition, a sturdy security lock effectively closes off access when it isn’t required for use.

Key Features:

  • Door-installed
  • Energy-efficient and weatherproof
  • Environmentally-friendly flaps are held in place by an adjustable magnetic system
  • Comes with a strong secure lock

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  1. Ideal Pet Products Ruff-Weather  Telescoping Frame Pet Door

Ideal Pet Products Ruff-Weather Pet Door with Telescoping FrameOne thing that makes this one of the best dog doors is its suitability for use in any kind of climate. It is excellent for use in areas that experience blistering colds as well as those with scorching heat. If you are in search of a way to significantly reduce your energy bills, no matter the climate conditions of where you are, then this pet door is one to consider.

The manufacturers have created the Designer Series to offer a solution to both energy waste and high energy costs with this pet door. It includes an air pocket between two flaps to produce an energy-efficient insulator. It can be easily installed with a separately sold wall kit. It comes in various sizes with the biggest size able to fit a dog of up to 120 pounds.

Key Features:

  • Includes a telescoping frame for easy installation into doors of various thicknesses
  • It is insulated and energy-efficient for use in hot or cold climates
  • It helps in the reduction of energy bills with the inclusion of a 3-inch thick air pocket between the flaps for maximum insulation

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  1. PetSafe Freedom Aluminum Sliding Pet Door

PetSafe Freedom Aluminum Sliding Pet DoorThe unique heavy-duty aluminum construction of this door, including its shatter-proof tempered safety glass, makes it stand out as one of the best dog doors. It has been designed to handle heavy use. It comes with an energy-conserving ultraseal flexible flap system which works to keep out external heat and cold.

The sturdy aluminum frame as well as a slide-in closing panel provides additional weather-resistance. Installation is quick, straightforward and easy, also great for use in rented apartments. The door panel is available in two sizes while the size of the door size itself comes in four sizes to fit dogs of different heights and weights.

Key Features:

  • It comes with a weather resistant frame that makes it easy to install
  • It is also water-resistant and includes a closing panel that increases energy-efficiency
  • It is easily removable and fits into a patio door, making it ideal for renters or pet owners who do not wish to break doors or walls
  • It comes in white, satin and bronze to match a variety of decors.

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  1. Perfect Pet All-Weather Energy-Efficient Dog Door

Perfect Pet All-Weather Energy-Efficient Dog DoorBuilt with an energy-efficient structural foam molded plastic, this dog door has been designed to save you money spent on ever-increasing energy bills. Its double vinyl flap construction forms a 3-inch energy-efficient air pocket for utmost insulation.

It features frame telescopes that can be adjusted from ¾-inch to 1¾-inch thickness, making installation effortless. It is lightweight and can be found in various sizes.

Key Features:

  • Includes energy-efficient foam for higher insulating qualities
  • Comes with double vinyl flaps that create an air pocket for better insulation
  • Built with adjustable telescopic frames for stress-free installation

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  1. Pet Safe Extreme Weather Energy-Efficient Pet Door

Pet Safe Extreme Weather Energy-Efficient Pet DoorAllow your pet easily and freely come in and go out of your home, while also keeping the draft or extreme heat away, with this energy-efficient pet door. You get a durable plastic frame with three flaps that make it 3.5 times more energy-efficient. It is easy to install and a bonus is that the plastic frame can be painted into any color to suit the décor of your home.

It includes a snap-on closing panel which can be used to restrict your pet’s access, offer additional weather-resistance and also keep stray animals away. It is ideal for either door or wall installation and is available in three sizes – small, medium and large.

Key Features:

  • It comes with three flaps for maximum insulation to increase energy-efficiency as well as to keep the cold and heat at bay
  • Comes with a snap-on closing panel for better security
  • Can be installed in a wall or door

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  1. Ideal Pet Products VIP Vinyl Insulating Pet Patio Door

Ideal Pet Products VIP Vinyl Insulating Pet Patio DoorThis vinyl pet door has been specifically adapted for easy installation into your sliding patio door. It features an energy-efficient double wall LEXAN multi-flex flap. The panel frame itself is white with a clear double pane tempered ‘low e’ glass.

As this door has been designed for use only in sliding patio doors, it will not fit accurately with aluminum sliding structures. The door as well as the flap can be bought in different sizes.

Key Features:

  • Specially designed only for use with a sliding patio door
  • Features a vinyl frame and a double pane tempered ‘low-e’ glass
  • Lock out slide
  • The flap is made with flexible 3-part LEXAN
  • It has an adjustable height

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  1. High Tech Pet Electronic Pet Door

High Tech Pet Electronic Pet DoorBuilt for maximum safety, the High Tech Pet dog door is motor driven and powered by a tiny ultrasonic dog collar. It opens and closes completely on its own. The door features a smart design that allows it slide up quickly but silently once your pet approaches. It includes a translucent door panel made with bulletproof resin.

It can be mounted in hermetically sealed grooves which would make it completely air-tight and highly insulated as the motorized panel causes it to move up and down. The highly secure construction of the door makes it difficult for intruders and strays to get into your home.

It also comes with a dead-bolt lock for added security. This door is fully wind and weatherproof as it has an airtight sealing system. It can be powered by an AC adapter or batteries and includes advanced electronic controls. It can be easily wall- or door-mounted and if you own a panel door, this pet door would work well for you as it comes with panel inserts. It is available in various sizes.

Key Features:

  • It is motor driven and automatic
  • It is airtight, well-insulated and secure to increase safety and cut down loss of energy
  • It can either be powered by an AC adapter or batteries
  • The dog door comes with panel inserts to make it fit for use in a panel door
  • Versatile installation options into a door or wall

Check Latest Price and Reviews


  1. Freedom Pet Pass Wall-Mount Energy-Efficient Dog Door

If you like the Freedom Pet Pass door-mounted dog door with an insulated flap but would prefer a wall-installed option, then this dog door is for you. It is energy-efficient and the insulated flaps are securely held in place by the aid of a 2-in-1 DoubleMag system to create a truly airtight seal.

The door frame is made with tough insulating cellular PVC that increases its weatherproofing abilities. It has been verified to work from temperatures as low as -40F to as high as 160F. It has been built with other top-quality materials such as marine-grade canvas, industrial TPO and commercial-grade SBR to enable it last long and withstand highly frequent use.

The door has been designed to be installed effortlessly while remaining compliant to building code best practices. It also comes with a user-friendly locking acrylic security panel and is sold in three sizes.

Key Features:

  • Built with high-quality materials to make it weather-resistant
  • Smooth and stress-free wall installation
  • Completely airtight seal provided by a unique magnetic flap system to hold in place
  • Great for use in area with extreme temperatures
  • Includes an easy-to-use locking security panel

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Your dog door choice ideally should be mostly dependent on the features the door offers as opposed to the cost. A more expensive one may not necessarily be the most ideal option and a cheap one may not always be the worst. However, where need be, it is important to spend a bit more money to get the best type of door that would be suitable for your pet.

The best insulated dog doors are beneficial for you and your dog as it gives you both freedom. You no longer have to bear the burden of opening and closing the door as coming and going is made easier by the addition of a dog door. Subsequently, this means you won’t have to be worried about any fecal accidents or UTIs from holding urine in for too long. Also, with a dog door, you can easily control your pet’s movements.

In addition to these, an insulated dog door would help to seal off outside weather, ensuring your home stays at a completely comfortable temperature at all times. A win-win for everyone and every pet.

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About David Huner

David Huner is a dog lover. Dog training has become a passion for him. With many years of experience he is here to share his tips and ideas. His goal is to provide exact dog training solutions. His favorite quote is "Train your dogs, enjoy your life and be happy"

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