Professional Composite Window Replacement in New Boston, 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.
Renew Your New Boston, NH Home with Modern Composite Windows
New Boston, NH combines rural tranquility with easy access to southern New Hampshire’s best amenities. Residents love the scenic charm, excellent schools, and welcoming community spirit, making it a wonderful place to set down roots or raise a family. Local recreation includes hiking at the Pulpit Rock Conservation Area, fishing and canoeing on the Piscataquog River, and enjoying community events on and around the historic town common. With a mix of historic properties and newer construction, homeowners here value efficiency and home comfort throughout New England’s changing seasons. Many New Boston homes, whether recently built or aging beautifully, can benefit from replacement composite windows. Replacing older windows with advanced composite models increases energy efficiency, comfort, and resale value—a crucial consideration for today’s active real estate market. Upgrading to composite windows can lower home energy costs and appeal to insurance providers and lenders who favor homes with energy-saving features. Whether you’re renovating, selling, or simply ready for a change, composite windows offer unmatched benefits for any home in New Boston.
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Outdated Appearance: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 brings decades of experience to composite window replacement projects in New Boston, NH, serving both existing homes and properties in need of repair. Our skilled team excels at removing outdated windows and installing efficient, high-performance composite alternatives perfectly suited to New Hampshire’s seasons. We provide tailored, durable solutions to restore your home’s appearance, comfort, and energy performance. Composite windows are the ideal choice for replacing weathered or damaged originals due to their resistance to warping, moisture, and fading. Each project is customized to fit your home’s architecture, ensuring reliable results that match your needs and preferences. Homeowners count on Complete Exterior for careful work and personal attention at every stage. With access to leading brands and years of installation expertise, we handle every project from initial consultation to spotless cleanup. Trust us to deliver craftsmanship, reliability, and a smooth process as you upgrade your windows with confidence.
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.
Reliable Composite Window Replacement Services in New Boston, NH
New Boston’s climate showcases true New England variety—frigid winters, humid summers, and plenty of rain in between. Older or poorly insulated windows struggle to keep homes comfortable and efficient through these conditions, resulting in heat loss, condensation, and higher energy usage. Composite window replacements are designed for resilience against extreme temperatures, warping, and moisture. Their advanced insulation helps maintain cozy warmth in winter and a cool atmosphere in summer—ideal for homeowners looking to modernize or upgrade their property. Energy-efficient composite windows are an essential investment for New Boston residents. Not only do they help reduce heating and cooling costs, but they also enhance comfort and protect your home from the elements year-round. Updating to quality windows isn’t just about style; it’s about making your home more functional and future-ready. With installation by Complete Exterior, you get energy savings, increased value, and a refreshed look that stands the test of time.
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.
Slash Your Home’s Energy Bills with Replacement Composite Windows
New Boston features a delightful blend of historic homes and contemporary builds, yet many homes still have older windows that allow precious heat (or cool air) to escape. Rising energy costs in the region have motivated homeowners to seek practical, long-term solutions. Composite windows outperform traditional wood and vinyl by delivering lasting thermal efficiency and minimizing drafts, helping you keep monthly expenses in check while maintaining a comfortable indoor environment throughout the year. Complete Exterior has extensive experience replacing windows in both aged farmhouses and new residences alike. Our carefully selected composite windows bring exceptional curb appeal, environmental resistance, and valuable savings. For new homes, our installations ensure your investment is equipped with top-grade energy efficiency right from the start. Turn to us for expert craftsmanship, custom-fit solutions, and peace of mind in your New Boston home.
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 installs leading composite window brands renowned for their durability, efficiency, and low maintenance. Our lineup includes trusted names like Andersen and Marvin, plus other top manufacturers producing innovative composite models built to last in New Hampshire’s climate. Andersen composite windows make use of Fibrex® material, blending wood’s strength with vinyl’s weather-resistant benefits for long life and superior insulation. Marvin’s Elevate and Essential series utilize fiberglass-reinforced composites, providing high strength and thermal retention in extreme conditions. No matter your priorities—energy savings, style, or longevity—we offer composite window choices to fit your home. Each is professionally installed to maximize performance and beauty for years.
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
The Complete Exterior process starts with a personalized in-home consultation to assess and discuss your window replacement needs. After choosing the right composite options, we carefully remove old windows, prepare the area, and ensure a flawless installation with proper alignment and insulation. Each new window is securely fastened and sealed for maximum efficiency. Once installation is finished, we complete a thorough inspection and leave your home spotless. Our approach guarantees lasting performance, improved comfort, and enhanced curb appeal.
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 Options for Window Replacement
Complete Exterior offers convenient financing through Wisetack, giving you access to quick approval and low, predictable monthly payments on window replacement projects. Loans from $500 to $25,000 are available with no hidden fees, making it easy to upgrade energy efficiency without straining your budget. For larger window projects, we provide access to HELOC (Home Equity Line of Credit) options via trusted local banks. A HELOC helps you leverage your home’s equity for improvements, with flexible terms and competitive interest rates. Financing helps you enjoy a comfortable, efficient home now—while spreading out payments over time.
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 on Window Installations
We stand behind every installation with a Transferable Lifetime Labor Warranty, providing peace of mind and lasting protection on your window project. If you sell your home, this warranty transfers to the new owner—adding attractive value with your property. We partner with leading brands like Andersen, Marvin, and Interstate, who provide robust manufacturer warranties covering materials and performance. With Complete Exterior, you receive layered coverage for both expert installation and product quality, protecting your investment for years of reliable service.
Why Choose Us for Your Composite Window Needs?
Homeowners in New Boston rely on Complete Exterior for composite window replacements because of our meticulous attention to detail, premium materials, and commitment to personal service. We take time to understand your goals, offering window solutions that enhance both energy efficiency and curb appeal. Our experienced team works with the industry’s top brands, ensuring every window is precisely measured, properly sealed, and expertly installed. From the first consultation to job completion, we’re dedicated to delivering high-quality results, comfort, and long-term value for your home.
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 our old windows with composite ones, and the transformation is fantastic. Our energy bills are noticeably lower, and our home looks more beautiful inside and out. The crew was thorough, respectful, and very detail-oriented. Highly recommend their team for composite window upgrades."
"Complete Exterior did a wonderful job installing composite windows in our older home. The new windows have made our house much quieter, warmer in the winter, and fresher-looking from the road. The whole process was smooth, from consultation through cleanup. We’re very pleased with the results."
"From start to finish, Complete Exterior made our composite window replacement stress-free. The new windows look great and we immediately noticed a difference in comfort and efficiency. Their team was prompt, knowledgeable, and easy to work with. The upgrade truly exceeded our expectations."
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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.