Request a Quote:

  • This field is for validation purposes and should be left unchanged.

Replacement Windows for Homes in Longmont, CO

Here at Northern Lights Exteriors, we offer an array  of replacement windows that will meet your preferences of style, security, functionality and budget. No matter which option you select, you’ll receive a well-made product from a respected manufacturer.

  • Wood
    • Pella wood windows are an incredible choice for people wanting to introduce a natural aesthetic into their homes without sacrificing energy efficiency or security. Given the manufacturer’s excellent reputation, we’re also proud to be a Pella Certified Contractor.
  • Fiberglass
    • Fiberglass does an excellent job of insulating a home’s interior to stay warmer during the winter and cooler during the summer.
      energy-efficient windows reduce heating and cooling costs throughout the year!
  • Vinyl
    • Vinyl windows from Simonton, a respected industry leader.
    • BONUS – we’ve negotiated free upgrades for our customers.
  • Aluminum-clad
    • Natural wood interior and weather-resistant, aluminum-clad exterior that will never expand, contract, warp, or rot.
  • Composite
    • Contain just enough fiberglass material to differentiate from vinyl windows.
  • Energy Efficient

Why Partner With Northern Lights Exteriors for Your Window Replacement?

Wood stained casement windows in a white kitchen

It’s always best to work with a local Longmont contractor when it comes to your home’s exterior remodeling needs. Why? Because locally owned and operated companies, like Northern Lights Exteriors, know what works in our Colorado climate and what doesn’t. We also know we’re putting our reputation on the line with every windows and siding project we take on here in our own neighborhood.

You’ll love working with Northern Lights Exteriors because we value education and product knowledge over one-stop closing and also pride ourselves on the exceptional products we are able to offer. Every homeowner who chooses to work with us gets a dedicated Project Manager to serve as their point of contact throughout the project. They will be able to answer all of your questions regarding the manufacturers and materials we suggest.

Our Environmentally Friendly Business Practices

As lovers of the outdoors, we do everything we can to protect the natural environment. This is why we purposely install the most durable replacement windows on the market. While conventional windows can damage easily and quickly require replacement, ours will stand the test of time, which keeps them from ending up in a local landfill. Of course, you benefit from their durability as well, considering that you’ll receive an excellent long-term return on your investment.

Have other projects you’re working on?

Our Longmont windows and siding contractors are happy to assist you with many types of services for remodeling your Longmont home. Contact us today for additional information on how we can upgrade your home with our top-of-the-line replacement windows and more!

Discover our Featured Project Gallery