Certified Contractor working on a new construction home

Certified Contractor working on a new construction home

Find a local contractor

When it comes to replacing windows or doors, there’s no better place to start than with an Andersen Certified Contractor. They’ve earned our seal of approval by being the best contractors who’ll make sure you get the right products properly installed. Their work even comes with an additional warranty for extra peace of mind.

If you need help repairing an existing Andersen window or door, select the "Find a service provider" button below.

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Benefits of choosing an Andersen Certified Contractor

Trusted contractors

When you see the Andersen Certified Contractor logo, you'll know they’ve been vetted, and trained and are backed by Andersen, the #1 brand for window replacement.¹

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Andersen Certified Contractor removing performance sticker from newly installed window

Quality products

We’re dedicated to making products that are strong and reliable. It’s why Andersen® products rate #1 in quality² and performance.³ Certified Contractors can help you find the best products for your home style, climate, and energy needs.

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Andersen Certified Contractors installing window

Reliable installs

In addition to our standard product warranty, you’ll also receive a 2-year limited installation warranty for products installed by a Certified Contractor. That’s how confident you can be in their abilities.

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What homeowners are saying

4.8 average rating
In 2023, Andersen Certified Contractors received an average satisfaction rating of 4.8 out of 5 stars by homeowners who used their services.

Happy customers

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Tips for your window & door replacement project

Female Certified Contractor standing by window with performance sticker on it

Choosing the right contractor

Choosing a contractor is one of most important choices you’ll make during the entire project. Explore five questions to keep in mind when choosing a window contractor.

Find your pro

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Certified Contractor meeting with homeowners

First meeting with your contractor

Meeting with a contractor is about making sure they understand the vision for your project. Here are topics to cover during your initial meeting.

Get some tips

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Certified Contractor showing homeowners designs on tablet

Installation day checklist

The window installation process can make your home a little busier than usual, but if you know how to prepare for the day, everything should be relatively quick and easy.

Get prepped

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Need service for your door or window?

Find a Service Provider

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Windows & Doors | Remodeling & Replacement Installation Contractors

America’s most loved brand of windows and doors

⁴For over 115 years, our drive to make windows and doors that are different and better has been at the heart of our company. Today, this includes windows and doors that promote indoor/outdoor living, healthy homes, expressive lifestyles, and more. Whether you’re building a new home, remodeling your current home, or simply need a window replacement, we’re here to turn your vision into a reality.

Andersen® products rate #1 in durability

²We design and test all our products to hold up to the realities of everyday life. This includes our windows, entry doors, patio doors, big doors, and sliding glass walls. And Andersen Certified Contractors will give you the best window installation (or door installation) possible, so everything performs just as it was designed to.

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¹2022 Andersen brand survey of U.S. contractors
²2022 Andersen brand surveys of U.S. contractors, builders, architects & homeowners
³2022 Andersen brand surveys of U.S. contractors, builders & architects
⁴2022 Andersen Brand Surveys of U.S. realtors, contractors, builders & homeowners

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