If you have typed “best pet door for dogs,” “smart pet door reviews,” or “pet door that keeps intruders out” into a search bar recently, you already know the frustration. Most pet doors on the market are flimsy flaps of vinyl that let in drafts, bugs, rain, and sometimes even unwanted animals. If you are seriously considering a pet door purchase and want something that actually protects your home while giving your dog or cat the freedom to go in and out on their own, this guide will walk you through everything you need to know before you buy and show you exactly which products solve which problems.
This guide focuses on Pawport, the smart, secure pet door that has been featured by Wirecutter, CNET, CNN Underscored, and House Beautiful, and is trusted by thousands of pet parents who wanted more than a basic flap.
Buying a pet door is not a small decision. It is a permanent hole in your exterior wall, door, or window, and a bad choice can cost you in energy bills, home security, and even your pet's safety. That is exactly why so many shoppers spend hours comparing options, reading reviews, and searching for terms like “smart pet door for large dogs,” “pet door that locks automatically,” or “best pet door 2026” before they commit to a purchase. This guide is written for exactly that kind of buyer someone who wants to make an informed decision, not just grab the cheapest flap at a hardware store.
Why People Search for a New Pet Door
Before comparing products, it helps to understand why so many pet owners start shopping for a new pet door in the first place. The most common reasons include:
● Their existing pet door lets in cold air, rain, or bugs, driving up energy bills.
● They are worried about home security a flap style pet door is an easy entry point for intruders or wildlife like raccoons and possums.
● They want to control exactly when their pet can go outside, instead of leaving the door unlocked 24/7.
● They are moving into a new home or remodeling and want a permanent, built-in solution.
● They want to track their pet's activity and get notified every time their dog or cat uses the door.
If any of these sound familiar, a smart pet door is very likely the upgrade you are looking for, and it is worth comparing your options carefully before you buy.
Traditional Pet Doors vs. Smart Pet Doors
A traditional pet door is just a hinged or magnetic flap. It is cheap, but it has three big downsides: it rarely seals well against weather, it can be pushed open by an intruder or a determined animal, and it gives you zero control or visibility once installed.
A smart pet door like the Pawport Smart Pet Door solves all three problems at once. It closes firmly to form a genuine seal between your home and the outdoors, which improves energy efficiency and blocks pests, drafts, and unwanted guests. It is built from solid steel and aircraft-grade aluminum with a dual deadbolt secure steel locking system, so it is dramatically harder to force open than a plastic flap. And because it connects to an app, you get scheduling, activity tracking, and notifications built in.
What to Look for Before You Buy a Pet Door
Whether you end up buying from Pawport or comparing it against other brands, here are the factors that actually matter for a buying decision:
1. Security
Look for solid materials (steel or aluminum, not thin plastic), a real locking mechanism, and a design that cannot easily be pried open from outside. This matters most for homes with larger dogs, since a bigger opening is also a bigger vulnerability if the door is not properly secured.
2. Weatherproofing and Energy Efficiency
A good pet door should have compression weather stripping to prevent thermal leaks and keep insects out. Pawport's Smart Pet Doors are built specifically around this — the panel closes with a firm seal rather than just resting in place, so your heating and cooling bills are not quietly leaking out through the pet door.
3. Smart Features and App Control
If you want to track pet activity, control multiple doors, set access schedules, get notifications, or control LED lights remotely, you need a connected system. The Pawport app works with Alexa, Google, and Siri, and pairs with a lightweight, waterproof smart tag your pet wears so the door recognizes them automatically.
4. Correct Sizing for Your Pet
This is one of the most common buying mistakes. A door that is too small will not comfortably fit your dog; a door that is too large wastes money and reduces security. Pawport's Size & Install Guide breaks doors into Medium (pets up to 85 lbs), Large (85–125 lbs), and Extra Large (125+ lbs) so you can match the opening to your pet's height and weight before you buy.
5. Installation Method
Are you retrofitting an existing pet door, installing a brand-new opening, or remodeling? This affects which product bundle you should choose, and we cover the three installation paths in detail below.
6. A Fit Guarantee
Because sizing and installation can feel intimidating, look for a brand that removes the risk. Pawport is guaranteed to fit onto or over your existing pet door opening, or you get a full refund, no questions asked.
Pawport Product Lineup: What to Buy and Why
Once you know what you need, the next step is choosing the right product. Here is a full breakdown of the Pawport catalog so you can shop with confidence.
Smart Pet Doors: Designer Series vs. Signature Series
The Smart Pet Doors collection is the core product, available in two tiers:
● Designer Series — starting at $699. Shop the Designer Series. Modern, sophisticated styling for homeowners who want smart security without a premium price tag.
● Signature Series — starting at $849. Shop the Signature Series. The ultimate blend of form and function, with premium finishes for buyers who want the top-tier option.
Both series are powder coated with scratch-resistant surfaces and instantly transform an ordinary pet door opening, and both mount onto or over an existing pet door frame for a fast retrofit.
Best-Selling Colors and Finishes
If you are ready to buy and just need to pick a color, these are the current best sellers:
● Smart Pet Door — Designer Series: Glacier ($699)
● Smart Pet Door — Designer Series: Noché, Best Seller ($699)
● Smart Pet Door — Designer Series: Chamonix ($699)
● Smart Pet Door — Designer Series: Winchester ($699)
● Smart Pet Door — Signature Series: Copenhagen, Best Seller ($849)
● Smart Pet Door — Signature Series: Soho ($849)
● Limited Edition Smart Pet Door in Espresso, while supplies last ($849)
Smart Pet Tags
Every Pawport door works with a Smart Pet Tag a small, lightweight, waterproof tag your pet wears on their collar so the door recognizes them and unlocks automatically. Pawport currently includes a free tag with every Smart Pet Door purchase, and the Best Seller Smart Pet Tag in Glacier is available on its own if you need a spare or a replacement, or if you are adding another pet to the household.
Pet Door Systems: Complete and Ultimate
If you do not already have a pet door opening for example, you are building new, remodeling, or replacing an old cat flap entirely you will want a full Pet Door System rather than just the door panel. These bundle the Smart Pet Door with a heavy-duty Tunnel & Frame System, and optionally an Outdoor Pet Door for maximum security and weatherproofing on both sides of the wall or door.
Accessories to Complete Your System
Once you have chosen a door, Pawport offers a full range of accessories to make the system work for your specific home and pet:
● Rechargeable Lithium-Ion Battery — for backup power so the door keeps working even if the power goes out.
● Adjustable Ramp — useful for elevated openings, senior pets, or homes with a step-up threshold.
● Solar Panel — keeps the battery topped up automatically for an outdoor installation with no extra wiring.
● Outdoor Pet Door — the exterior-facing companion door for a complete tunnel installation.
Three Ways to Install Pawport
Installation is often the deciding factor when people are comparing pet doors, so here is exactly how the three paths work:
● Retrofit Existing Door — The Smart Pet Door mounts directly onto or over your current pet door frame, guaranteed to fit. This is the fastest, lowest-cost option if you already have an opening.
● Complete System — Combine the Smart Pet Door with the heavy-duty Tunnel & Frame System for a brand-new or replacement installation.
● Ultimate System — Combine the Smart Pet Door, the Tunnel & Frame System, and the Outdoor Pet Door for the highest level of security and weather protection on both sides of the wall.
Pawport can be installed in walls, in doors, or in glass, so almost any home layout is supported. If you would rather not DIY it, you can also find a certified installer in your area.
The Hidden Cost of a Cheap Pet Door
It is worth pausing on the energy angle, because it is the part most buyers underestimate. A standard vinyl flap does not create an airtight seal, which means a constant, low-level draft moves through your home every single day, all year round. Over a full heating or cooling season, that steady air leak can meaningfully increase your utility bills, especially in climates with cold winters or hot summers. A smart pet door with genuine compression weather stripping closes the gap completely when not in use, so the investment in a higher-quality door often pays for itself over time in reduced energy costs, on top of the security and convenience benefits.
There is also a safety cost to consider. A loose-fitting flap door is one of the more common entry points burglars look for, and it also allows wildlife such as raccoons, opossums, and snakes to enter a home uninvited. A door with a real locking system and a solid seal removes both risks at once, which is why security-conscious buyers are increasingly willing to pay more upfront for a smart pet door instead of replacing a cheap flap every year or two.
Installing in Walls, Doors, or Glass
One reason Pawport comes up so often in buying-intent searches is its flexibility on where it can be installed. Unlike many pet doors that only work in a standard exterior door, Pawport supports three installation locations:
● In Walls — ideal when you want the pet door away from a swinging door, or when your exterior door is not a good candidate for cutting an opening.
● In Doors — the most common setup, either retrofitting an existing pet door cut-out or adding one to a new door during a remodel.
● In Glass — a specialized installation for sliding glass doors or glass panels, popular in homes where cutting into a wall or door is not practical.
This flexibility matters at the buying stage because it means you are not limited to a single installation scenario. Whatever your home layout looks like, there is very likely a Pawport configuration that fits it, and a certified installer can confirm the best option for your specific space.
How to Choose the Right Size
Getting the size right is the single most important decision when buying a pet door, so measure before you buy rather than guessing:
● Medium — fits pets up to 85 lbs and 8″–25″ tall. Door opening: 13.25″ W x 16.25″ H.
● Large — fits pets 85–125 lbs and 8″–29″ tall. Door opening: 13.25″ W x 20.25″ H.
● Extra Large — fits pets 125+ lbs and 8″–36″ tall. Door opening: 13.25″ W x 24.25″ H.
A simple rule of thumb: measure from the floor to the highest point of your pet's back, then add 2–3 inches so they can pass through comfortably. If you have multiple pets, size the door for your largest pet and consider step-over height for your smallest one.
For a complete walkthrough with diagrams, see the full Size & Install Guide.
Common Mistakes People Make When Buying a Pet Door
Talking to pet owners who regret their purchase, the same handful of mistakes come up again and again. Knowing them in advance can save you time and money.
● Buying on price alone. A $30 flap door might look like a bargain, but if it lets in cold air all winter or gets chewed through by a raccoon within a year, it ends up costing more than a durable smart door.
● Guessing the size instead of measuring. A door that is too tight will discourage your pet from using it, and a door that is oversized on a small dog reduces the security benefit. Always measure your pet's height and the opening before ordering.
● Ignoring the installation surface. Not every pet door can go into glass, a hollow-core door, or a stucco wall. Confirm the product supports your installation type before you buy, or plan to use a certified installer.
● Forgetting about weatherproofing. In regions with harsh winters or heavy rain, a door without a genuine compression seal will leak air and water no matter how good the marketing photos look.
● Overlooking security. Any opening large enough for a dog is technically large enough for a person to reach through, so a door without a real locking mechanism can be a security liability, especially on ground-floor exterior walls.
Who a Smart Pet Door Is Right For
Smart pet doors are not only for one type of household. Here are a few common buyer profiles and how the Pawport lineup fits each one:
● Multi-pet households — Size the door for your largest pet, then rely on individual smart tags so the system recognizes each animal, rather than buying multiple doors.
● Homes with big dogs — The Extra Large size supports pets over 125 lbs, and the steel-and-aluminum build is designed to hold up to daily use from larger breeds.
● Renters and retrofit installs — If you already have a pet door opening, the retrofit path lets you mount Pawport onto or over the existing frame without any structural changes.
● New builds and remodels — The Complete or Ultimate System lets you plan the opening from scratch, choosing exactly where in a wall, door, or glass panel it should go.
● Security-conscious buyers — If your main concern is keeping intruders and wildlife out while still giving your pet freedom, the dual deadbolt locking system and solid-steel construction are the main selling points to focus on.
Why Buyers Trust Pawport
● Media coverage — Featured by Wirecutter, CNET, CNN Underscored, House Beautiful, Variety, Billboard, the Associated Press, PCWorld, SafeWise, and Apartment Therapy.
● Fit guarantee — If Pawport does not fit onto or over your existing pet door, you get a full refund, no questions asked.
● Sustainability — 91% of the product catalog meets recyclability standards, and packaging is 99.5% recyclable.
● Free shipping — Free shipping on orders over $250 in the continental US, and a free Smart Pet Tag with every Smart Pet Door purchase.
Frequently Asked Questions Before You Buy
How much does a smart pet door cost?
Pawport's Designer Series starts at $699, and the Signature Series starts at $849. Accessories like the battery, ramp, and solar panel are sold separately depending on your setup.
Will it fit my existing pet door?
In almost every case, yes. Pawport is guaranteed to fit onto or over your current pet door opening, up to 13.25″ W x 24.25″ H depending on size.
Is it secure against intruders and wildlife?
Yes. Pawport is built from solid steel and aircraft-grade aluminum with a dual deadbolt locking system, and it closes with a firm compression seal rather than resting loosely like a flap door.
Does it work with a phone app?
Yes. The Pawport app lets you track pet activity, control multiple doors, set access schedules, receive notifications, and control LED lighting, and it works with Alexa, Google, and Siri.
What if I need help choosing or installing?
Pawport's Help & Support team can walk you through sizing, and you can also find a certified installer near you if you would rather not install it yourself.
Does it work for both cats and dogs?
Yes. The sizing is based on your pet's height and weight rather than species, so both cats and dogs are supported as long as you choose the correct Medium, Large, or Extra Large size from the Size & Install Guide.
What happens if the power goes out?
Pawport offers a Rechargeable Lithium-Ion Battery for backup power, and an optional Solar Panel to keep that battery charged automatically, which is especially useful for outdoor or tunnel installations without easy access to a power outlet.
What is the return and shipping policy?
Orders over $250 in the continental US ship free, and every Smart Pet Door purchase includes a free Smart Pet Tag. Full details are available on the Shipping & Returns page, and the fit guarantee covers you if the door does not fit your existing opening.
Final Verdict: Should You Buy a Smart Pet Door?
If your current pet door is letting in drafts, bugs, or unwanted animals or if you simply want more control and visibility over when and how your pet comes and goes a smart, secure pet door pays for itself in energy savings, peace of mind, and convenience. Pawport stands out because it combines real security (steel construction, dual deadbolt locking, a genuine weatherproof seal) with smart-home features (app control, scheduling, activity tracking) and a no-risk fit guarantee that removes the biggest hesitation buyers usually have.
Ready to browse the full lineup? Shop all Pawport products here and find the door, tag, system, or accessory that fits your home and your pet.