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Professional Composite Window Replacement in Merrimack, NH For Your Dream Home
Request a Free Quote
Getting started is simple! Request a free quote today, and our team will provide a detailed estimate tailored to your project. Whether you need roofing, siding repairs, window replacements, or a new deck, we’ll help you understand the scope and cost of your project.
Give Your Merrimack, NH Home a Fresh Start with New Composite Windows
Merrimack, NH, is a thriving community offering suburban comfort, outdoor recreation like Horse Hill Nature Preserve, and easy access to excellent schools. With its competitive real estate market and blend of established neighborhoods and new construction, Merrimack continues to attract families and professionals alike who enjoy a vibrant lifestyle, convenient amenities, and natural beauty all year round. With New Hampshire’s four-season climate and the importance placed on home efficiency, replacing old or drafty windows with modern composite options is a practical investment. Not only does this upgrade make your home more comfortable and visually appealing, but newer windows can support obtaining favorable homeowner insurance rates and even simplify home financing or refinancing. Whether you own a charming older property or a new build, energy-efficient composite window replacements help manage home energy costs, reduce drafts, and improve long-term value.
Cracked or Broken Glass:
Damaged panes compromise insulation and safety.
Drafts and Poor Seals:
Persistent air leaks make it harder to keep your home comfortable.
Condensation Between Panes :
Foggy windows indicate failed seals and reduced energy efficiency.
Warped or Damaged Frames:
Warping and cracks affect the window’s performance and durability.
Outdated Appearance:
Old, unattractive storm windows can detract from your home’s curb appeal.
Energy-Efficient Composite Window Replacement Services
Complete Exterior specializes in composite window replacement for Merrimack, NH homes—whether you’re upgrading an older property or modernizing a newly built house. Our skilled team safely removes outdated or broken windows, then installs advanced composite models built specifically for New England’s varying weather. We deliver tailored solutions that prioritize lasting comfort, style, and efficiency. Composite windows are perfect for homes in need of repair thanks to their durability against moisture and temperature fluctuations. Every project is customized to match your home’s architecture and structural needs, ensuring a seamless fit and stunning results. Trust Complete Exterior’s expertise, precise workmanship, and leading window brands for a worry-free window replacement experience— from your initial consultation through final cleanup.
Types of Siding We Work With
Complete Exterior works with a variety of siding materials to match your home’s style and needs:
Vinyl Siding
Durable, low-maintenance, and available in a wide range of colors.
Cedar Shake Siding
Adds natural charm and rustic beauty to any home.
Wood Siding
Traditional and timeless, offering a customizable, classic look.
Fiber Cement Siding
Combines strength and style for lasting performance.
Aluminum Siding
Lightweight, weather-resistant, and budget-friendly.
Trusted Composite Window Replacement Services in Merrimack, NH
Merrimack experiences the full range of New Hampshire weather: cold, snowy winters, humid summers, and everything in between. Older windows can struggle in these conditions, leading to drafts and rising energy bills. Composite window replacements are designed for this kind of climate, providing superior resistance to moisture, rot, and seasonal temperature swings. Their advanced insulation helps keep your home comfortable no matter the weather, making them an ideal choice for upgrades. Investing in high-quality composite windows is essential for Merrimack homeowners focused on managing heating and cooling costs. These windows help protect against energy loss and enhance your home’s efficiency, comfort, and style. Updating your home with composite windows is not only a smart move for energy savings but also boosts curb appeal and long-term home value.
Full Storm Window Replacement
Upgrade outdated or damaged storm windows with modern, energy-efficient replacements.
Custom Storm Windows
Custom-fit storm windows designed to match unique window sizes, shapes, or architectural styles.
Energy-Efficient Solutions
Replace old windows with insulated, weather-resistant options to improve comfort and reduce energy costs.
Cut Energy Costs in Your Home with Replacement Composite Windows
Merrimack’s housing landscape features many older homes alongside newer developments, and rising energy expenses have prompted homeowners to seek efficient, long-lasting improvements. Original windows in historic properties and outdated units in mid-century homes can contribute to unnecessary energy loss. Composite window replacements offer a solution, outperforming wood and vinyl with greater thermal efficiency, durability, and minimal maintenance—making them a wise investment for Merrimack’s climate. Complete Exterior installs composite windows that minimize drafts, stabilize indoor temperatures, and enhance every home’s curb appeal. Our team’s expertise ensures smooth installation for both recent builds and century-old homes. Choose us for expert guidance, a range of top-quality window brands, and service tailored to your unique needs, so your new composite windows maximize energy savings and refresh your home’s appearance.
Improved Energy Efficiency:
Modern storm windows provide an additional layer of insulation, reducing energy loss and lowering your utility bills.
Better Comfort:
Eliminate drafts and regulate indoor temperatures for a cozier home year-round.
Enhanced Noise Reduction:
Enjoy a quieter, more peaceful home with storm windows that block out outside noise.
Increased Protection:
Shield your primary windows from weather damage, extending their lifespan and saving on maintenance costs
Enhanced Curb Appeal:
New storm windows improve the look of your home while boosting its value.
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Types of Composite Windows We Work With
Complete Exterior works with innovative composite window brands renowned for resilience, style, and energy efficiency. We feature top manufacturers such as Andersen, Marvin, and others that engineer advanced composite materials to withstand New Hampshire’s tough weather year-round. Andersen windows utilize Fibrex®, which fuses the beauty of wood with the easy care of vinyl, delivering strength, insulation, and longevity. Marvin offers composite options, particularly in its Elevate and Essential lines, that feature fiberglass-reinforced frames, promising enduring performance and thermal regulation in extreme temperatures. With a focus on both performance and aesthetics, we offer options customized to your needs—always installed with care and expertise by the Complete Exterior team.
Exterior Composite Windows
Mounted outside your primary windows for maximum weather protection and energy efficiency.
Interior Composite Windows
Installed on the inside of your home, providing easy access and a sleek appearance.
Custom Composite Windows
Made-to-order solutions to fit unique or irregular window shapes and styles.
Our Composite Window Replacement Process
Our process at Complete Exterior begins with a personalized consultation to evaluate your current windows and discuss the best composite options for your home. Once you’ve made your selection, we carefully remove the old windows, preparing each opening for a custom fit. Your new composite windows are installed with precision techniques, ensuring airtight seals and lasting performance. We then inspect each window for proper alignment, insulation, and finish, followed by thorough cleanup—so your home is ready to enjoy increased efficiency and improved appearance.
Free Consultation & Assessment
Our team evaluates your current windows, discusses your needs, and recommends the best storm window replacements.
Window Selection
Choose from a variety of storm window styles, materials, and energy-efficient options.
Custom Measurement & Fabrication
We take precise measurements to ensure your new storm windows fit perfectly.
Professional Installation
Our skilled team installs your storm windows with care, ensuring proper sealing and maximum efficiency.
Final Inspection & Satisfaction Check
We inspect every window for quality and performance, ensuring you’re completely satisfied with the results.
Flexible Financing for Window Replacement and Installation
Homeowners can take advantage of Wisetack Financing through Complete Exterior for fast, flexible funding on window installation projects. Wisetack offers straightforward terms, affordable monthly payments, and quick approval for loans between $500 and $25,000, supporting your upgrade to modern, efficient windows. For larger-scale improvements, we work with trusted local banks to offer HELOC (Home Equity Line of Credit) financing. A HELOC allows you to use your home’s equity for upgrades, with competitive rates and payment flexibility—making it easy to invest in long-term improvements while managing your budget.
Greensky Financing
Quick approvals for projects up to $100,000 with no prepayment penalties or hidden fees.
HELOC Options
For larger projects, we connect you with trusted local banks offering Home Equity Line of Credit (HELOC) solutions.
Lifetime Warranty for Window Installations
At Complete Exterior, every composite window installation comes with a Transferable Lifetime Labor Warranty, giving you long-term confidence in our craftsmanship. This warranty covers all labor for as long as you own your home and even transfers to the next owner—supporting your property value. Additionally, our partner brands such as Interstate, Harvey, and Andersen provide robust manufacturer warranties covering materials and performance. This ensures your windows stand the test of time for efficiency and durability.
Why Choose Us for Your Composite Window Needs?
Merrimack homeowners trust Complete Exterior for composite window replacement thanks to our exacting workmanship, personalized approach, and commitment to quality materials. We learn about your home’s unique requirements and recommend solutions that balance aesthetics and efficiency. Our experienced installers work exclusively with top brands for reliable, energy-saving performance. Each window is fitted and sealed with attention to detail, ensuring comfort, curb appeal, and value for years ahead.
Expert Craftsmanship:
Our experienced team ensures precise installation for optimal performance and durability.
High-Quality Materials:
We install top-of-the-line storm windows designed to withstand the harsh New Hampshire climate.
Customer-Centered Service :
From consultation to completion, we prioritize clear communication and your satisfaction.
Transferable Lifetime Labor Warranty:
Every installation is backed by our Lifetime Labor Warranty for peace of mind and long-term value.
What Our Customers Say About Our Window Services
"We had Complete Exterior replace all the old windows in our home with new composite ones, and the difference is incredible. The house feels more comfortable, our energy bills are lower, and the windows look amazing. The team was professional, efficient, and paid attention to every detail. We’re so glad we chose them for the upgrade."
"Complete Exterior did an outstanding job replacing the outdated windows in our home with high-quality composite ones. The installation was seamless, and the crew was respectful and efficient. Our home is noticeably quieter, more energy-efficient, and looks refreshed from the outside. It was one of the best home improvement decisions we’ve made."
"From start to finish, Complete Exterior made our composite window replacement project stress-free. The new windows look fantastic and have already made a noticeable difference in both comfort and energy savings. Their team was knowledgeable, professional, and delivered exactly what they promised. We couldn’t be happier with the results."
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Request a Free Quote
Getting started is simple! Request a free quote today, and our team will provide a detailed estimate tailored to your project. Whether you need roofing, siding repairs, window replacements, or a new deck, we’ll help you understand the scope and cost of your project.
Schedule Your Composite Window Replacements Today
Ready to upgrade your home with modern, energy-efficient composite windows? Call Complete Exterior at (603) 919-9155 or request a free consultation online. Our team will help you find the perfect composite window replacements to improve your home’s comfort, energy efficiency, and protection for years to come.