Better Products

Products That Can Last A Lifetime

Nex-Gen has a motto, “Improving Your Home For Life,” we take this saying seriously. We ensure that we are offering the best possible solution to serve our customers needs. We understand that this decision is a huge investment for your family, and we want to be able to provide you with information you can trust, and a product you can count on.

How can we help you find the perfect product for your needs?

Getting new windows doesn't have to be a nightmare!

Give Nex-Gen a call. They are a truly family-owned business that is worthy of all their 5-star reviews. The products are fantastic and are such a better value than the competition.

Customers Deserve Better

The Only Replacement Window You Will Ever Need

Nex-Gen Home Exteriors offers the replacement window solution for your home, Infinity from Marvin, a fiberglass replacement window that is built to withstand the changing Colorado whether. Not only is it 8x stronger than vinyl, and 10x longer lasting, but our Infinity from Marvin product line helps increase your home’s energy efficiency. Looking for something custom? Not to worry, all of our windows are customizable to provide the style and design that you are looking for to fit your home.

A Statement Door

Our Provia entry door product line is the best way to welcome friends and family into your home. With many color and design options, you are sure to find the right door that suits your style. Put your mind at ease with the Embarq entry door line by Provia. This is a fiberglass entry door that helps secure your home and make you feel safe. Looking for a patio or sliding door? No problem, Nex-Gen offers the Infinity from Marvin patio door line. You can choose from sliding or french door operation systems. These doors are made of fiberglass, which means that they are built tough and will outlast any vinyl door.

Siding Built Tough

Our LP SmartSide with Diamond Kote is our top of the line siding product that provides the durability and style you may be looking for. The paint used in our siding is designed adhere better and provide the best durability. This means that your siding is impact resistant and has more realistic wood grain patterns.

Better Products

  • Infinity by Marvin Replacement Windows and Doors
  • ProVia Replacement Doors

Better Services

  • Infinity by Marvin Replacement Windows and Doors
  • ProVia Replacement Doors

Better Warranty

  • Infinity by Marvin Replacement Windows and Doors
  • ProVia Replacement Doors