20149, Ashburn, VIRGINIA
Beige vinyl Patriot sliding door with built-in pet door, perfect for Utah homes. Advanced Windows USA provides premium!
White entry door with Atrium pet door integrated at bottom right, featuring handle on right side. Advanced Windows USA Utah
Functional, Classy

Replacement Sliding Glass Pet Doors

Sliding glass pet doors are integrated into your existing sliding glass door, allowing pets to come and go freely without compromising your home’s style or energy efficiency. Designed with a secure, weather-resistant panel and a locking mechanism, they offer convenience for pet owners while maintaining seamless indoor-outdoor access and preserving natural light.

BUY NOW! PAY LATER!

60 Months Interest Free.
$2,500 OFF
With Purchase of 10 Windows.

*expires 05/31/26

Enter your zip code for a free estimate

Let every family member enjoy your sliding glass door.

Advanced Window Product makes life easier for pet owners by providing a replacement sliding glass pet door that replaces the entire door. This means that pet owners can begin enjoying the benefits of their dogs and cats being able to let themselves out at all times of the day and night. The energy-efficient design of the replacement sliding glass pet door allows you to leave the pet door open. If you need to keep pets inside, a simple door insert helps “lock” the door. Advanced Window Product is the manufacturer, not the dealer; this means there is no “middle man mark-up,” producing immediate savings for the consumer. If you’re interested in replacing your existing patio door with a sliding glass pet door, contact Advanced Window Products today!

Before and After Pet Door

Who Can Benefit from a Replacement Sliding Glass Pet Door

The replacement sliding glass pet door is ideal for many kinds of animal lovers. For those who cannot easily make it up and down the stairs, the pet door allows the animal to let himself out as many times as necessary, thereby reducing the risk of the owner falling down the stairs. The replacement sliding glass pet door is also ideal for those working long hours. Pets benefit from consistency, such as being able to relieve themselves outside at set times. That is difficult for those who are away from home late into the day, resulting in messy accidents–a risk that only grows as the dog gets older. Fortunately, the replacement sliding glass pet door allows pet owners to work those long hours with the peace of mind knowing they won’t come home to any nasty surprises. Speaking of surprises, one of the greatest joys of buying this replacement sliding glass pet door is that your pets no longer wake you up in the middle of the night to take them outside!

Read more benefits of our sliding glass pet doors here

Sliding Glass Pet Door Features

Pet-Door_Measuring-Tips_CTA-500x391Make no mistake: this is no simple pet door. The energy-efficient glass used on the replacement sliding glass door provides amazing insulation. Our Sliding Glass Pet Door helps owners have the convenience of pets letting themselves in and out throughout the day, and the convenience of keeping energy costs down. The door frame itself is energy efficient, increasing thermal efficiency with an exterior that is extremely resistant to sun damage and other weather effects. Even the door flap is energy efficient; the Endura flap helps increase efficiency and seals via magnetic strips as soon as the pet enters or leaves the home! The best part about all of this energy efficiency is that it doesn’t obstruct the view: in fact, this design maximizes your view of your own beautiful yard. If you want a replacement sliding glass pet door that you and your pet will both love, contact Advanced Window Products today!

Download a PDF Version of this Webpage.

Read More...

Serving The Intermountain West

Our Service Area

  • Utah
  • Arizona
  • Idaho
  • Oregon
  • Washington

The Advanced Windows Difference

Us vs Them


Why Choose Advanced Windows? Compare Us to the Competition

The Difference Us Them
Lower Pricing
Factory-direct pricing direct to consumer
Middleman markups that drive up price
Better Warranty
Fully inclusive lifetime warranty
Limited warranty with expirations and exclusions
Quality Installation
All installations are performed by a licensed contractor
Outsourced, inconsistent subcontractors
Full Customization
Built to order for a perfect fit
Standard sizes forced to fit
The Best Service
Local, personalized customer care
Call centers and corporate runaround

Us
Factory-direct pricing direct to consumer
Them
Middleman markups that drive up price

Us
Fully inclusive lifetime warranty
Them
Limited warranty with expirations and exclusions

Us
All installations are performed by a licensed contractor
Them
Outsourced, inconsistent subcontractors

Us
Built to order for a perfect fit
Them
Standard sizes forced to fit

Us
Local, personalized customer care
Them
Call centers and corporate runaround

Reviews

Heather Nava AvatarHeather Nava
We recently had new windows installed and the difference has honestly been incredible. The first thing we noticed was the noise reduction. We live close to two major roads, and traffic noise used to wake me up constantly throughout the night. Since installing these windows, it’s amazingly quiet inside the house — I can barely hear anything outside now. That alone has been life-changing for us.Beyond the sound reduction, the windows completely upgraded the look of our home. They feel modern, high-quality, and extremely well made. The value for the price was excellent, especially considering how much they improved both comfort and appearance.We’ve also noticed a huge difference in temperature control throughout the house. Rooms stay much more comfortable, and the home feels far more energy efficient overall. The house maintains temperature better and feels less drafty no matter the time of day.Overall, we could not be happier with the investment. The combination of appearance, quality, energy efficiency, and especially the noise reduction exceeded our expectations. - 5/12/2026 
media thumbnail 0media thumbnail 1media thumbnail 2media thumbnail 3
ray bush Avatarray bush
If you are on the fence about using Advanced Windows, go ahead and take the leap. The entire experience was seamless and professional. Mason was our initial sales contact. He was never pushy but he simply gave us the facts and let us ask the questions and do the research. He gave us a list of nearby addresses of customers. We drove by each one and even rang doorbells. Yes we sure did! All were happy with their choice and the windows are beautiful. They use argon gas in between panes and you really notice how the transfer of heat is stopped in the Arizona sun. Truly a game changer. The windows are manufactured by the same company used by the higher end companies but at a much more affordable cost. Life time warranty to boot.The installation team was outstanding. I asked for their names because they deserve a shout out Francisco,Mario,Julio,Saul and Martin. If you can, ask for them by name. They were professional, knowledgeable,detail oriented,courteous and clean. No mess. The company got our windows done in 1 day which is mostly due to this team’s hard work and due diligence. I will recommend this company to anyone! The windows work effortlessly and really add to the appearance of our home. I have no doubt the was one of the best decisions we have made to add value to our home. - 5/11/2026 
Susie Steenblik AvatarSusie Steenblik
My windows are beautiful that I got from Advanced Windows. Dallin helped me order my windows and he was amazing to work with. So professional and helpful. Gasson and his crew are second to none. You definitely want them when it comes to installation. They are perfectionists and will make sure everything is the exact way you want your windows to be. Grace in the office is kind and on top of scheduling all of the appointments. I would definitely recommend Advanced Windows if you are thinking about getting new windows. - 5/11/2026 
Dave Thomas AvatarDave Thomas
This is the second year in a row they washed my windows. The glass turns out looking brand new! Their customer service is outstanding. I wouldn’t use anyone else. - 5/11/2026 
Chris Gloschat AvatarChris Gloschat
From the first meeting where we discussed the product and price to the installation the whole Advanced Windows team was excellent. The price was great, the product is great, and the fact that they manufacture locally means I'm not worried about them being able to make good on any warranty issues. I recommend them wholeheartedly and would use them again. - 5/08/2026 
Paul Felice AvatarPaul Felice
Everyone we contacted were professional, helpful and clear - 4/16/2026 
Braulio Pisano AvatarBraulio Pisano
It was great working with Advanced Window Products. The 0% finance and over all cost of our 15 windows was the lowest price out of 4 other companies.Installation was fast and easy only taking 2 days. We had a few issues and the team came back is fixed them in less than 1 hour. All our windows work great and we can feel the difference already.Looking forward to see how well the windows perform in summer - 4/16/2026 
  • 1
  • 2
  • 128
  • >

BUY NOW! PAY LATER!

60 Months Interest Free.
$2,500 OFF
With Purchase of 10 Windows.

*expires 05/31/26

Enter your zip code for a free estimate