top of page

Trusted Local Experts: With over 20 years of experience, Universal Windows Direct is your go-to for window and siding installations in Alton, NH. USA-manufactured Excellence: Our products are all made in the USA, ensuring unparalleled quality and durability. Transparent Pricing: Enjoy competitive pricing with complete transparency. Lifetime Warranty: We provide a lifetime warranty on both products and workmanship. Award-Winning Customer Service: Our customer service team is renowned for their excellence and dedication. Financing Options: Take advantage of our 0% financing options to help manage the cost of your project.

Home Window and Siding Installation in Alton, NH

Alton’s leading window and siding installer, Universal Windows Direct, offers unmatched service and quality. Our products range from modern to classic styles, enhancing your home’s energy efficiency. With a lifetime warranty, our installations ensure lasting beauty and performance.

Home Replacement Window Services in Alton

Picture Windows

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

Revitalize your Alton home with our energy-efficient siding options. Our installations, available in vinyl or composite, boost your home’s curb appeal and enhance its insulation, providing protection from harsh weather.

Expert Home Siding Installation in Alton

Discover the timeless charm and durability of composite siding with our expert installations in Alton, NH. Experience the beauty of wood siding without the high maintenance, thanks to the superior resilience of composite materials.

Beautiful & Durable Composite Siding

Choose our vinyl siding installation services in Alton for an affordable, superior exterior transformation. Vinyl siding, known for its durability and varied style options, offers an efficient, low-maintenance way to enhance your home’s visual appeal and protection.

Low-maintenance Vinyl Siding

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

Visit Our Remodeling Showroom

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.

Mobile Home Remodeling

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.

Asphalt Roof Installation

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.

Home Door Replacement Services in Alton, NH

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.

Additional Exterior Home Remodeling Services in Alton


Our team in Alton would be happy to provide you with a detailed estimate for your window or siding project. Contact us today for a comprehensive assessment.

Get a FREE Home Window or Siding Estimate

Get A Quote

  • Actually, it’s super easy. Just give us a call at (603) 218-3756, or fill out our Free Estimate Form. After everything is scheduled, one of our friendly product specialists will meet with you at your home at your convenience — including nights and weekends. During the consultation we’ll discover your specific needs, show you the quality solutions and value we can offer, then provide you with a fair transparent estimate for our services.

  • Change the text and add your own content, including any information that is relevant to share. Then customize the font, size and scale to make it your own.

  • You don’t need to do anything but enjoy your new products and all the benefits they provide for you and your family! Your warranty is valid from the moment we installed them. We will send you your warranty packet as soon as your job is complete.

  • Yes, we absolutely do.


See what other homeowners have to say about the quality of our services.

Customer Testimonials

Owens Corning preferred contractor
BBB A+ rating
Energy Star most efficient 2023
UniShield logo
Window and Doors Installation Masters badge
bottom of page