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Renewal by Andersen® Window Replacement & Patio Door Installation in Cottage Lake, WA

Renewal by Andersen offers window replacement and patio door installation services in Cottage Lake, Washington, specifically designed to meet the unique architectural styles and climate of the Pacific Northwest. Schedule your free, in-home consultation today to get started!

Renewal by Andersen® Signature Service

Superior product.

Our products feature the innovative Fibrex® material, providing unmatched durability and energy efficiency. This robust composite material is designed to stand up to Cottage Lake’s diverse weather, ensuring your windows and doors perform optimally year-round.

Hassle free process.

We offer a streamlined process, from the initial consultation to final installation, ensuring a stress-free experience for Cottage Lake homeowners. Our team works diligently to ensure that every aspect of your window and door replacement project aligns with your specific needs and vision.

Unrivaled beauty.

Our wide range of customizable window and patio door styles means there’s a perfect fit for every Cottage Lake home, whether it’s contemporary or traditional. With various colors, finishes, and hardware options, you can create a unique look that complements your home’s character.

Long term value.

Our windows and doors are built for longevity. Investing in our products means enhancing the look and energy efficiency of your home, leading to potential savings on utility costs and lasting value.

4-Step Process

Design Consultation

Begin your replacement project with a personalized design consultation. Our experts visit your Cottage Lake home to understand your style and functional needs, offering tailored recommendations for your window and door replacements.

Project Planning

With our careful notes and exact measurements, we’ll build your durable, energy-efficient windows and patio doors by paying close attention to your existing windows.


Skilled Certified Master Installers carry out the installation with care and professionalism. We respect your space, ensuring minimal disruption while transforming your home with high-quality windows and doors.

Customer Care

Our service extends beyond the installation. We remain committed to your satisfaction, offering ongoing support and assistance. Whether you need maintenance tips or warranty information, our team in Cottage Lake is always ready to help.

Our Products

Window Replacement Services in Cottage Lake

Cottage Lake homeowners looking for high-quality window replacements will find an extensive selection with Renewal by Andersen. Our windows come in various styles that offer a combination of beauty and functionality. Designed to improve energy efficiency and noise reduction, our windows are perfect for the Cottage Lake climate. Explore the available window styles or call our team today to schedule your free consultation.

Awning Windows

Hinged at the top, they open outward, allowing airflow even during rain. Ideal for high or hard-to-reach places.

Bay & Bow Windows

Bay windows feature a central fixed panel with angled venting windows on the sides, creating a protrusion. Bow windows have a curved structure, creating a panoramic view and additional space.

Casement Windows

Side-hinged, they open outward like a door, offering full top-to-bottom ventilation and unobstructed views.

Sliding Windows

These horizontally opening windows are space-efficient, ideal for compact areas. They offer a modern aesthetic and easy operation.

Double Hung Windows

These have two operable sashes that move vertically, providing flexible ventilation options. They are easy to clean and maintain.

Picture Windows

Large, stationary windows providing wide, uninterrupted views and abundant natural light, perfect for showcasing outdoor scenery.

Specialty Windows

Custom-shaped windows designed for unique architectural requirements, available in various sizes and shapes to add a distinctive element to your home.

Patio Door Installation Services in Cottage Lake

We provide a range of customizable patio door styles, including contemporary sliding, French sliding, and hinged French patio doors. Each style blends aesthetic beauty with practical functionality, suited to Cottage Lake’s diverse home designs. Customize your doors to match your home’s style with a choice of colors, hardware, and finishes. Our patio doors are built for durability, ease of use, and energy efficiency, enhancing both indoor comfort and outdoor accessibility. Find the right patio door style for your home and call our design specialists to get started.

Sliding Glass Patio Door

These doors have a sleek, modern design with large glass panels to maximize natural light. The sliding operation is smooth and space-efficient, ideal for homes with limited exterior space.

French Sliding Patio Door

These doors combine the traditional charm of French doors with the convenience of a sliding mechanism. They provide a classic, elegant look without needing extra space for opening.

French Hinged Patio Door

Offering a timeless design, these doors swing open either inward or outward. They add a sophisticated and classic touch to any home, suitable for various architectural styles.

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I love my new windows, made a HUGE difference in the drafts, keeping wind noise out, and keeping heat in. I also choose a different style and the view is much nicer, easier to open and close

Tonya B.

We are extremely pleased with our large dining room window. The old window was not efficient; letting cold air into the house in the winter as well letting heat from the furnace outside! The installer was very professional, efficient and cleaned everything up nicely. The entire experience from sales to installers through follow-up was a pleasure.

Seth Y.

Replaced 12 "old" draft double hung windows with new double hung windows. Remarkable improvement in maintaining and constant comfortable temperature in the rooms. Great workmen and a great finished job.

Tangelia N.

Proudly Serving Cottage Lake and the Surrounding Areas

Our commitment to Cottage Lake, High Bridge, Woodinville, and neighboring communities extends beyond providing professional window replacement and patio door installation services. We proudly provide personalized design options and expert installation, ensuring that each homeowner’s vision is brought to life. Schedule your complimentary design consultation today to start enhancing your Cottage Lake home with our high-quality windows and doors.

Renewal by Andersen Signature Fibrex® Material

The composite material known as Fibrex® material is made up of 40% recycled wood, giving it double the strength of standard vinyl windows.
By utilizing the superior strength of Fibrex® material, our skilled craftsmen are able to construct window frames that are narrower, yet capable of accommodating larger glass panes.
Fibrex® material eliminates the need for painting and is resistant to cracking, pitting, corrosion, and rot.
Extensive testing conducted twenty years post-installation confirms the long-lasting durability of our windows.

Get in Touch with Us

Call Renewal by Andersen in Greater Seattle to schedule your in-home consultation today. Our professionals are committed to simplifying every step of the process, so you can enjoy your new home improvement sooner than you think. Contact us to learn more about our hassle-free, 4-step process.

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