New Construction   Window Replacement | Storm Damage & Insurance Claims

What makes

NexGen Contracting LLC your best choice for Residential Windows?

We Offer the Best Materials Installed by the Best Installation Crews

We are proud to offer the best window products and window installation in Northern Illinois & Southern Wisconsin. NexGen Contracting's window installation work is always done by local skilled, trained and certified craftsmen from a company who understand what a homeowner expects. NexGen Construction Inc your best choice for Window Replacement Companies in Belvidere Illinois.



Our siding teams are trained and experienced to handle all your window needs, whether you need new construction windows or residential window replacement. 

We make buying new windows an enjoyable experience

Finding the right replacement windows for your home doesn’t mean you have to sit through an endless, high-pressure sales pitch and manage an unruly crew of workers who come and go from your property on their own schedule.

NexGen Contracting is a professional replacement windows company with a respectful philosophy about customer service:

• You will discover finding and installing the right replacement windows for your home and your budget simple and quick.
• We appreciate your business so we respect your time and money.
• We show up on time and do the job right.

Strom Damage & Insurance Inspections

Midwest homes are subject to storm damage on a regular basis. Bad weather takes a toll on your home.

Many times it's obvious your home has suffered storm damage. There may be lifted sections or cracked and splintered sections of your windows. Yo may have broken glass or separated panels.  You may have missing trim or dents in the surface of the metal elements of your windows. Hail damage and damage from high winds can damage your home in a way that only a trained professional can identify.

We will gladly inspect your roof at no cost to determine if you are in need of a simple repair or in need of a new roof.

Residential Window Replacement

A home's windows may last up to 20 to 30 years before it needs to be replaced. When it's time yo replace your windows, our trained experts will help you choose the right style and options for your home and install them to our high standards of workmanship. It is our goal to replace your windows with long-lasting, dependable, and energy-efficient products. We want you to be confident your windows will provide you withmany years of protection and beauty. 

We are Local to Your Community

When your home needs dependable window service, look no further than the team at NexGen Construction. We are a family owned and operated business. Our crews, the owner, and the suppliers, all live in your area. We understand your community and can relate to your needs as a homeowner. Residential window replacement and exterior remodeling is our career choice. NexGen Contracting provides the highest level of service at a competitive price.

Get a free estimate for residential siding repairs or replacements?

Call us today or contact us online via the short form on our website.

We look forward to helping you improve your home’s safety and value!