Replacement Windows and Siding Built for Alton, NH, Homes

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Helping Alton Homeowners Improve Comfort, Curb Appeal, and Energy Efficiency 

Your home tells you when something needs attention. Maybe you notice a cold draft near the windows, rooms that are harder to keep comfortable, siding that has started to fade, or a front door that no longer feels like it belongs with your home. These changes usually happen slowly, but when it is time to make an improvement, choosing the right company matters just as much as choosing the right product.

At Universal Windows Direct of Manchester, we help Alton and Alton Bay homeowners improve the comfort, appearance, and protection of their homes with replacement windows, siding, doors, and roofing. We’re a locally owned and operated company that believes homeowners deserve more than a quick sales pitch. You deserve honest guidance, quality products, and a team that communicates with you from the first conversation through installation.

We’re proud to have been recognized as the winner of the Best Windows in New Hampshire award in 2023, 2024, and 2025. Every project is backed by our true lifetime warranty on labor and materials, giving you confidence that we’ll be here long after installation is complete.

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Exclusive UniShield Replacement Windows for Alton Homes

New Hampshire homes experience plenty of seasonal changes, from freezing winters to humid summers. Your windows play an important role in keeping your home comfortable through all of them.

Our exclusive UniShield replacement windows are designed to provide lasting comfort, energy efficiency, and a clean finished appearance. Each window is custom-made to your home’s exact measurements, so we build the window around your home rather than forcing your home to fit a standard size.

Whether you’re replacing aging windows, improving your home’s appearance, or seeking better year-round performance, we’ll help you find a window option that fits your needs.

Replacement Window Services

 Picture Windows
Picture Windows

Enjoy an unobstructed view of your property and allow sunlight to pour into your home with a Picture Window.

 Sliding Windows
Sliding Windows

Alton residents: opt for sliding windows for spacious walls, welcoming sunlight and fresh air.

Double Hung Windows
Double Hung Windows

Homeowners trust double hung windows, tilting to simplify cleaning and to introduce diverse ventilation paths



 Casement Windows
Casement Windows

Elevate your living with casement windows, opening just like doors for the perfect air and sunlight harmony.

 Bay & Bow Windows
Bay & Bow Windows

Bay & bow windows extend outside, making your home more spacious and inviting.

Garden Windows
Garden Windows

Invite nature inside, perfect for homeowners who enjoy indoor gardening.

Siding Installation Built for New England Weather

Alton homeowners see everything New England weather has to offer, including freezing temperatures, moisture, and humid summers. Your siding needs to do more than improve curb appeal. It needs to help protect your home while maintaining its appearance year after year.

We offer siding options designed for durability, comfort, and lower maintenance so you can spend less time worrying about upkeep and more time enjoying your home.

Exclusive UniShield Vinyl Siding

Our exclusive UniShield vinyl siding provides a durable exterior that helps protect your home without the ongoing maintenance associated with painted materials. It resists common issues like peeling, rotting, and fading while providing a refreshed look for your home.

Full-Back Insulated Siding

Full-back insulated vinyl siding adds an additional layer behind the siding panels to help reduce heat transfer and improve comfort inside your home. It can also help reduce outside noise, creating a quieter living environment.

Ascend Composite Cladding and Cedar-Style Shakes

For homeowners who appreciate the look of natural wood but want less maintenance, Ascend Composite Cladding and Cedar-Style Shakes offer a durable alternative. These options provide texture and character while resisting many moisture-related concerns that can affect traditional wood products.

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Door Replacement for Alton and Alton Bay Homes

Your exterior doors should make a great first impression, but it also needs to close properly, seal out New England weather, and help you feel secure in your home. If your exterior doors feel outdated, drafty, difficult to operate, or simply no longer fit the look of your home, we can help you find a replacement that brings together comfort, security, and curb appeal.

We install front entry doors in a variety of styles and finishes, as well as ProVia French doors and our exclusive UniShield sliding patio doors. Like our other exterior products, these options are backed by warranty protection designed to give you confidence in your investment.

Roofing and Skylight Replacement in Alton

Your roof protects your home through every season, and it often makes sense to consider other exterior improvements while planning a replacement.

As an Owens Corning Preferred Installer, we install asphalt roofing systems backed by a non-prorated 50-year warranty. We also provide skylight replacements, making it easier to address aging or leaking skylights as part of a roofing project.

Mobile Home Exterior Remodeling in Alton

We also help mobile home owners throughout Alton improve their homes' comfort and appearance with exterior remodeling services. Projects may include replacement windows, siding, doors, and skirting replacement.

Every mobile home has different needs, and we’ll take the time to understand what you’re hoping to improve before recommending options.

A Remodeling Process Designed Around You

We believe improving your home should feel exciting, not stressful. From your first conversation with our team through installation, we focus on clear communication, helpful guidance, and making sure you feel comfortable with every decision along the way.

  1. In-Home Consultation: We start by visiting your home, learning what you want to improve, and discussing options that fit your goals, style, and budget. Our focus is on education and finding the right solution, not pushing products.

  2. Custom Measurements and Project Planning: Once you decide to move forward, we take detailed measurements so your windows, siding, doors, or other products are built specifically for your home. We review the project details and make sure everything is planned before installation begins.

  3. Professional Installation: Our experienced installation team completes your project with care and attention to detail, treating your home with the respect it deserves.

  4. Final Walkthrough and Continued Support: After installation, we walk through the finished project with you to make sure everything meets your expectations. We stand behind our work with lifetime warranty protection and remain available if you need us in the future.

Why Alton Homeowners Choose Universal Windows Direct of Manchester

When you choose a company to work on your home, you’re choosing more than a product installer. You’re choosing the people you trust inside your home and the experience you’ll have throughout the project.

Alton homeowners choose Universal Windows Direct of Manchester because we provide:

  • Locally Owned & Operated Service: We live and work in the communities we serve, and we treat homeowners like neighbors, not numbers.

  • Premium Exterior Products: Our exclusive UniShield windows and siding, along with our door and roofing options, are selected for comfort, beauty, energy efficiency, and long-term performance.

  • Clear Communication: When you call us, we answer. Our team is available seven days a week because we believe homeowners deserve real people, real answers, and clear communication throughout their project, not a voicemail maze or wondering when someone will get back to them.

  • Award-Winning Window Installation: Our Best Windows in New Hampshire recognition reflects the care and attention we bring to every project.

  • Lifetime Warranty Protection: We stand behind our products and workmanship with warranty coverage that provides peace of mind for years to come.

Read what homeowners who have worked with us have to say on our reviews page.

Visit Our Remodeling Showroom

Visit our Manchester, New Hampshire Remodeling Showroom to explore home remodeling options firsthand.

Frequently Asked Questions About Window and Siding Replacement in Alton

Yes. We offer financing options for window, siding, door, and roofing projects. Available options include plans with no prepayment penalties and soft credit checks that do not affect your credit score.

We begin with an in-home consultation rather than providing estimates based only on photos. After learning about your home and goals, we complete detailed measurements before your windows are ordered and built specifically for your home.

Yes. Homes near lakes and areas with higher moisture exposure benefit from siding materials designed to resist water absorption and seasonal weather changes. Our vinyl and composite siding options provide durable protection with less maintenance than traditional wood materials.

Schedule Your Exterior Remodeling Consultation in Alton

Whether you’re dealing with drafty windows, aging siding, an outdated door, or a roof that needs attention, Universal Windows Direct of Manchester is here to help.

We’re proud to serve homeowners throughout Alton and Alton Bay with premium products, expert installation, and personal service. We’d love the opportunity to learn about your home, answer your questions, and help you create an exterior you’ll feel proud of for years to come. 

Additional Exterior Home Remodeling Services in Alton

In Alton, NH, our skilled professionals offer a full range of exterior home remodeling services. We pride ourselves on delivering top-notch window and siding installations that enhance your home’s value and aesthetic.

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Home Door Replacement Services in Alton, NH

Do you aim to enhance the curb appeal of your Alton home? Universal Windows Direct has the perfect exterior door solutions to transform your home's entrance into a statement feature.

Asphalt roof installation

Asphalt Roof Installation

Universal Windows, a factory-certified Owens Corning roof installer, is dedicated to delivering top-notch roofing solutions to Alton homeowners, backed by a lifetime materials and labor warranty.

mobile home exterior remodeling

Mobile Home Exterior Remodeling

We're excited to provide mobile home remodeling services in Alton. Visit our Mobile Home Remodeling page for detailed information on our window, siding, door, and skirting solutions.

Industry-Certified


Our business holds several certifications from leading manufacturers and industry organizations, attesting to the quality of our team’s expertise and workmanship. 

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Our Location

Address
880 Candia Road, #8
Manchester, NH 03109
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Hours

Office Hours:
Mon-Fri: 8:00 AM – 4:30 PM
Our customer care team is available:
Mon–Fri: 8 AM – 8 PM
Sat–Sun: 10 AM – 6 PM
Showroom Hours:
Mon–Fri: 9 AM – 4 PM
Sat: By appointment only

Phone Number
(603) 218-3756
© 2026 Universal Windows of Manchester. All Rights Reserved

MHIC #183107
Exceptional Exteriors LLC - DBA Universal Windows Direct of Manchester

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