Pet Door Design

Patio Pet Door conversion system is custom built to fit your door, then installed by Great Northern.

Patio Pet Door Company

Easy install

Use existing windows and doors

A must for pet owners


Transform Your Patio Door, Window, or Any Glass Door Into a Functional and Energy Efficient Pet Door.

Reversible. The old glass can be re-installed if the home is sold or the owner no longer has a pet.doggieindoor





Warranted against defects in material and workmanship for one year. Limited lifetime warranty against thermal pane seal failure to the original owner.


How It Works
The Pet Door Design conversion system comes complete, ready for installation by Great Northern. It is the only patio pet door product of it’s type available. It replaces the double pane glass in the sliding panel, and in some cases, the fixed panel of your patio door. It’s quick and easy. Your pet will love it too!



Your Pet Door Design patio pet door conversion system will:


Two quality pet doors to choose from. Both feature 4 sizes.


Let us give you a free estimate for your new pet door.

Just fill out this form and one of our friendly team members will schedule your free in-home estimate.

Patio Pet Door

Free In-Home Estimate


Serving all of central Oregon

Licensed, Bonded, Insured
Visit our showroom during business hours 8-4 Monday through Friday.  Appointments are recommended.
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