The Preferred Window Company Among Homeowners in Metro Seattle, WA

There’s no feeling quite like seeing the end result of a home improvement project well done. Want to make sure it’s love at first sight when your home’s windows or doors are replaced? If so, Brightside Windows is the name to know. We specialize in window and door replacement here in the Seattle, Washington metro area and deliver award-winning service with every project we take on. We’ll be glad to help you beautify your home and add you to our long list of satisfied customers!

Our Window & Door Replacement Services

Want top-quality replacement windows and exterior doors for your home? Brightside Windows has you covered. We offer and install all popular types of windows, and our exterior house door selection comprises stunning front entry doors, sliding patio doors, and French doors. Your new windows and doors can be personalized to perfectly suit your home’s aesthetic while improving its overall energy efficiency, too.

Why Customers Choose Our Window Company

Seattle area homeowners know Brightside Windows is their best bet for more than just window and door replacement services themselves. We’re also highly regarded for our:

• A+ rating with the Better Business Bureau
• Award-winning service, which was nationally recognized by Qualified Remodeler in 2023 (ranked No. 339 in the Top 500 Remodelers in the United States)
• Unbeatable limited lifetime warranty protection for your investment

Take Control of Your Home’s Energy Performance 

Old, inefficient windows and doors can be a major source of energy loss for your home, leading to higher utility bills and uncomfortable indoor conditions. Over time, issues such as cracked seals, warping, and gaps around frames allow unwanted air drafts and heat transfer, making it harder to maintain a stable indoor temperature. These problems force HVAC systems to work harder, adding unnecessary costs for homeowners. As a trusted window and door company, Brightside Windows provides high-quality replacements that address these issues head-on. Thanks to the advanced materials and energy-efficient designs of our windows and doors, Brightside helps homeowners achieve greater comfort and improved energy performance. 

We Install Triple-Pane Vinyl Windows 

Brightside’s triple-pane vinyl windows offer superior insulation because of features like argon gas fills and low-E glass coatings, which contribute to exceptional energy efficiency. Vinyl frames and sashes add further advantages—they’re durable, moisture-resistant, and require minimal maintenance, making them an ideal long-term investment. Available in a range of styles, including awning, casement, double-hung, picture, sliding, and specialty shapes, our windows offer customizable options to suit any home’s design. Whether your priority is improved energy savings or enhanced aesthetics, Brightside Windows provides top-quality window installation services that will elevate your home’s overall comfort and appearance. 

Premium Exterior Doors From Brightside Windows 

Brightside Windows offers premium exterior doors that combine energy efficiency, security, and aesthetic appeal. Designed with top-grade materials and thermal barriers, our doors help maintain interior temperatures by minimizing air leakage and heat transfer. Available in assorted styles and finishes, our exterior doors can be tailored to match your home’s architecture, whether traditional or contemporary. Each door is engineered for durability and security, providing peace of mind and a polished look.  

Areas We Serve Near Seattle

Brightside Windows proudly operates in Seattle, WA and surrounding areas including: