5000+
Homes Remodeled
25+
Years In Business
1000+
5-Star Reviews
Portland's Trusted Window Replacement Experts Since 1997
Milgard & Marvin Premium Windows For Portland Homeowners
Welcome to Lifetime Remodeling Systems Window Replacement division, where style meets energy efficiency. Our award-winning in-house team specializes in replacing windows and patio doors with premium Milgard and Marvin products, tailored to meet each client’s specific needs. Whether updating your home’s look or improving energy performance, we ensure every window is a perfect fit.
Premium Window Products – We install top-performing Milgard and Marvin vinyl fiberglass & wood windows for superior energy efficiency, style, and long-term value.
In-House Installation Crews – Every project is completed by trained in-house installers, ensuring consistent quality, precision fitment, and airtight performance.
We are an EnergyTrust partner and will help you submit for any available rebates for your new high efficiency windows and doors.
WHY WE'RE DIFFERENT
IN-HOUSE INSTALLATION CREWS
We don’t outsource your siding project to the lowest bidder. Instead, we rely on our own skilled in-house crews who have worked with us for up to 20 years. This ensures consistent craftsmanship, clean and respectful job sites, and some of the highest-quality installations in the Pacific Northwest.
DEDICATED PROJECT CONSULTANTS
Every siding replacement is led by a project consultant with 10+ years of field experience—not a salesperson. Your consultant guides you from the first consultation to the final walkthrough, managing design, estimates, scheduling, and communication for a seamless process.
LIFETIME CRAFTSMANSHIP WARRANTY
We offer a Lifetime Craftsmanship Warranty on all of our exterior projects. We currently have over 5000 homes under warranty and have never had a major warranty issue in over 25 years.
OUR WINDOW REPLACEMENT PROCESS
Initial Consultation
We start with a free onsite consultation led by one of our experienced Project Consultants. During this visit, we’ll evaluate your current windows, discuss your goals, explain our process, and review the best product options for your home.
Detailed Estimate
Next, we provide a clear, line-item estimate that outlines all costs, warranties, and optional upgrades. You’ll know exactly what to expect—no surprises.
Design
Once you’re ready to move forward, we take precise measurements and guide you through design and product selections from Milgard and Marvin. Our team can also provide 3D renderings so you can preview exactly how your new windows will look before installation begins.
Build
Your custom windows are ordered and scheduled for installation. Your dedicated project consultant manages every step, while our skilled in-house crew completes the installation with precision, care, and minimal disruption to your home.
Final Walkthrough
After installation, we perform a full quality inspection with you to ensure every detail meets expectations. Your warranty information is delivered, and your home is left clean, protected, and upgraded with beautiful, energy-efficient windows.
AWARDS & CERTIFICATIONS
"The crew at LRS was on time, courteous, and professional. They replaced our windows promptly and cleaned up thoroughly afterward. Very satisfied with the results."
Dan N.
"LRS installed new windows in our home. The team was meticulous, ensuring everything was perfect. We noticed an immediate improvement in energy efficiency."
Ian M.
"After 19 years, a trim piece came loose. I called LRS, and by the next morning, they had it fixed at no charge. Their commitment to quality is unmatched."
Donna H.
RECENTLY COMPLETED PROJECTS
"This company is one you can trust."
"This company is one you can trust. They stand behind their workmanship 19 years later. I had a trim piece come loose after a windstorm in December 2022, called them that afternoon, and by 9 am the next day, they were here to address and take care of the issue. First issue since they replaced and installed my vinyl siding 19 years ago. They are professional and trustworthy and stand behind their warranty."
Donna H.
Milgard Vinyl Windows
Tuscany Vinyl Windows
Milgard® Tuscany™ series vinyl replacement windows offer top of the line style, making all the difference in design and comfort. Each window is custom made to your homes exact specifications for a perfect fit at no extra charge or extended lead time. Tuscany Series Vinyl replacement windows have a wide range of features that our customers love such as the SmartTouch lock, 3D Max energy packages , and custom exterior colors. Milgard replacement windows are also covered by a Lifetime Warranty covering all components.
Trinsic™Series Vinyl Windows
Milgard® Trinsic™ Series provide a contemporary vinyl window with an expansive view-able glass area and a sleek narrow frame to help you embrace modern home design and maximize amazing views. The various operating styles open and close easily with the redesigned SmartTouch® window lock and handle that is unique to this series.
Visit Milgard Windows & Doors to view all the premium Tuscany™ and Trinsic™ series features and options.
High-Efficiency Performance – Ultra-efficient energy packages come standard, helping homeowners qualify for valuable EnergyTrust of Oregon rebates.
Styles for Any Home – Choose between the classic Tuscany® series or the sleek, modern Trinsic™ line to match your design aesthetic.
Lifetime Warranty Coverage – Milgard vinyl windows include a full lifetime warranty on all components for long-term peace of mind.
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Marvin Replacement Windows
Ultimate Series
For the most discriminating client the Marvin Signature Collection features wood interiors with options for either wood or aluminum-clad exteriors. This line provides industry-leading innovations like Lift Lock hardware, which allows for easy access to open and lock a window.
The Ultimate Collection offers styles for a wide range of projects including traditional, contemporary, transitional, historic, craftsman, or whatever style inspires you.
Marvin Elevate & Essential Series
Marvin Elevate strike a perfect balance between enduring style and unmatched performance. The warm wood interiors can be finished to match a wide range of architectural designs and the fiberglass exterior provides strength, durability, and high-performing thermal properties that excel in harsh climates
With the Essential Series the interior and exterior of the windows and doors are built with Marvin's proprietary fiberglass, which resists fading, chalking, peeling, cracking, and is eight times stronger than vinyl. Simpler features and options streamline the ordering process and make Essential products a project-friendly choice.
Visit Marvin Windows to view the full collection and style options.
Architectural-Grade Craftsmanship – Built from premium wood with unlimited design flexibility, perfect for historic homes and high-end custom projects.
Exceptional Thermal Performance – Advanced glazing and insulated frames deliver impressive energy efficiency without sacrificing aesthetics.
Fully Customizable – Dozens of interior wood species, exterior colors, divided lite options, and hardware finishes to match any architectural style.
Frequently Asked Questions