
Revolutionize Your Views with WindowLab
Twin Cities Window And Door Replacement Experts
Discover why homeowners in the Twin Cities trust WindowLab, a premier window and door replacement company, for their custom windows and exterior design. Every pane and frame embodies the pinnacle of technology, energy efficiency, and design without the upscale price point. Elevate your home with precision-installed windows and doors, tailored to enhance comfort, style, and value in every view.
The WindowLab Difference
Technology
At WindowLab, our cutting-edge technology integrates the latest in window science, featuring triple-pane, gas-filled designs and Super Spacers for low conductivity. These innovations ensure peak energy efficiency and noise reduction for your home.
Installation
Our precision installation process, led by seasoned Master Installers, guarantees a flawless fit and finish. Every window and door we install enhances your home's aesthetic and insulation properties.
Value
Invest in superior performance and craftsmanship with WindowLab. We provide top-quality exterior doors and windows without the premium of a brand name surcharge, ensuring you get the best value for your home improvement budget.
Obsidian Windows & Doors
Unparalleled Energy Efficiency
At WindowLab, we redefine the standard for energy efficiency with our custom-manufactured, triple-pane windows and high-performance exterior doors. Our state-of-the-art windows boast a technologically advanced gas-filled spacer system, and our doors are expertly designed with security and aesthetics in mind, ensuring optimal thermal performance and significant energy savings. Designed to exceed industry standards, our products provide a barrier against the harshest climates, maintaining a comfortable indoor environment year-round and reducing heating and cooling costs for homeowners in Minnesota.











Obsidian Windows and Doors
Precision Installation
Our commitment to excellence extends beyond our products to our precision installation process. WindowLab's certified Master Installers, with a minimum of seven years' experience, ensure that every window and door is installed with meticulous attention to detail and adherence to the highest industry standards. This provides not only a perfect fit and finish but also maximizes the performance and longevity of your windows and doors, guaranteeing an investment that pays dividends in comfort, savings, and aesthetics.

Obsidian Windows & Doors
Advanced Technology
and Design
WindowLab leverages cutting-edge technology and innovative design to craft windows and doors that are energy-efficient and aesthetically pleasing. Our windows feature a custom blend of uPVC resin, making them durable, maintenance-free, and environmentally friendly. The fusion-welded joints and strategic insulating air chambers enhance structural integrity and thermal insulation, ensuring strength and sustainability. Our doors combine beautiful custom designs with superior energy efficiency and security.
Industry-Leading Warranty and Service.
Trust is paramount at WindowLab. Our industry-leading Lifetime+ warranty reflects our confidence in the durability and performance of our windows and doors. Coupled with our top-notch service, homeowners enjoy peace of mind knowing their investment is protected. From the initial consultation to post-installation support, our team is dedicated to providing an exceptional experience, ensuring complete satisfaction with every WindowLab installation.
Lifetime+ Warranty
Comprehensive Coverage
Warranted against chipping, cracking, peeling, pitting, blistering, warping, or delamination for as long as you own and live in the home where the product was originally installed.
Transferable
Transferable by the original purchaser to one subsequent purchaser provided the warranty transfer is completed within thirty (30) days after the transfer of ownership.
Lifetime Glass Breakage
In the event of an accident that is not covered by insurance or is of an amount that is within the insurance policy deductible, ProVia will replace the glass free of charge.
Window & Door Replacements Near You in Minneapolis and St. Paul
At WindowLab, our expertise covers an extensive range of window and door types, including casement, single-and-double-hung, bay, bow, and more windows in addition to entry, sliding glass patio, hinged patio, french, storm, and more doors. As St. Paul's premier window and door contractors, we guide you in selecting the ideal replacement windows and doors that align with your home's aesthetic and functional needs. Whether you aim to replicate the original design or seek a fresh, new look, we navigate you through the myriad of styles and materials to find the perfect fit for your preferences and budget.
Installation quality and attention to detail are paramount for replacement windows and doors. Issues like old sashes with broken seals or faulty tracks can lead to significant heat loss, and improper installation can result in damage from weather and moisture intrusion. Our seasoned Minnesota contractors excel in precise and meticulous window and door installations, ensuring everything from the trim to the caulk is impeccably secure and that sashes lock securely. We prevent common problems like jamming frames or sticking sashes, which can compromise insulation and cause drafts. Our goal is that your window investment enhances your home’s value and comfort, eliminating any potential hassles.
Double Hung Windows
Timeless design with modern performance and energy efficiency.
Bay & Bow Windows
Architectural elegance with added space, light, and insulation.
Slider Widows
Sleek functionality meets expansive views and ease of use.
Picture Windows
Uninterrupted views with optimal energy efficiency and enhanced natural light.
Casement Windows
Superior ventilation with a classic touch and weather-tight seals.
Patio & Exterior Door
Energy-efficient designs with superior insulation and security features. Stylish and durable patio doors that enhance the beauty and functionality of your interior and exterior spaces.
Proud To Be Minnesotan: The Window And Door Company Near You
WindowLab is more than a window and door replacement company; we’re your neighbors committed to enhancing the comfort and value of homes in the Twin Cities and surrounding areas. We understand Minnesota’s unique climate challenges and architectural styles because we live here too. Our local insight allows us to provide tailored solutions that perfectly fit your home’s needs.
Cities we serve:
Anoka | Apple Valley | Arden Hills | Blaine | Bloomington | Brooklyn Center | Brooklyn Park | Burnsville | Champlin | Chanhassen | Chaska | Columbia Heights | Coon Rapids | Cottage Grove | Crystal | Dayton | Eagan | Eden Prairie | Edina | Elk River | Falcon Heights | Farmington | Forest Lake | Fridley | Golden Valley | Hopkins | Hugo | Inver Grove Heights | Lakeville | Lino Lakes | Little Canada | Mahtomedi | Maple Grove | Maplewood | Mendota Heights | Minneapolis | Minnetonka | Moorhead | Mounds View | New Brighton | New Hope | North St. Paul | Oakdale | Orono | Otsego | Plymouth | Prior Lake | Ramsey | Richfield | Robbinsdale | Rogers | Rosemount | Roseville | Savage | Shakopee | Shoreview | Shorewood | South St. Paul | Spring Lake Park | St. Anthony | St. Louis Park | St. Paul | Stillwater | Vadnais Heights | Victoria | Wayzata | West St. Paul | White Bear Lake | Woodbury