26 Best Window Replacement Companies in Boulder, CO (2023 Reviews)
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How Installing Energy-Efficient Windows in Boulder Saves You Money

There are several benefits of upgrading to energy-efficient windows. Some reasons you may want to consider making the switch are the following:

• Reduce your carbon footprint: You can reduce your carbon footprint by about 12% when you install Energy Star certified windows. In Boulder, that's about 460 pounds per year on average.
• Protect your investment: When your home is on the older side, your windows could also be outdated or leaky. Upgrading and repairing your windows is an important part of maintaining your property and its value.
• Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
• Save money on power bills: Because energy-efficient windows lower the amount of energy needed to heat or cool your home, the switch can help you save about $457 annually on your energy bills in Boulder.

Estimated Cost of Window Replacement in Boulder

Let's take a look at the cost of installing new windows and the types of services offered by installers.

How Much Do New Windows Cost?

Even though the average to replace a single window is about $600, it can range anywhere from $200 to $1,200. How much it will cost varies depending on several factors, like material, type, size, the location of your home, number of windows and more.

With windows, efficiency is one of the most important factors for many homeowners. Windows with higher efficiency may cost more off the bat, but by increasing the efficiency of your home — especially during the summer and winter — they can provide many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Boulder homeowners $457+ a year after replacing single-pane windows.

Costs will also vary depending on the material of your frame. Aluminum frames are the least expensive. They're sturdy, light and easy to maintain, but provide poor insulation. Vinyl frames are somewhat expensive and provide good insulation. Composite frames made from wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.

What Services do Window Installers Offer?

In general, there are two types of window replacement services companies provide: full-frame and pocket installations.

Full-frame installations are usually done when you want to change the style of your windows or your window has a lot of deterioration. With this service, your installers will replace the entire window, including the frame, trim and sill. Pocket installations are on the simpler end and won't carry as large a bill, as they entail simply replacing the window within its existing frame. But if the frame has any damage or deterioration, you may need a full-frame installation instead.

If you're still debating which kind of installation to get, you can ask your provider and get their recommendation. The decision mostly is influenced by how old the frames are and if there's any damage.

How We Choose the Best Window Installers in Boulder

In our search to find the most reliable, eco-friendly window installers in Boulder, the EcoWatch team landed on the above companies as the top window installation companies in the city. We have evaluated the best window replacement companies in Boulder mostly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Because this is a guide for Boulder, we paid more attention to companies that serve the city. There are certainly reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Boulder.

Work Quality

We're certain that you're looking for a company to do a great job installing windows. We've vetted each installer featured on this list to ensure its technicians are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent customer feedback to determine the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction might be the factor we place the most value on, as it indicates the quality of services across most other categories, including cost, warranty, quality of parts, professionalism, quality of installation and more.

Cost

This one is a give-and-take: as with most services, cheap window installers won't always provide the highest quality service. Still, we want to make sure we're highlighting companies that provide a range of price and financing options so they're accessible to most homeowners.

Warranty

Protecting your investment in new windows is important. For that reason, window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Due to Boulder's climate, homeowners will want to mitigate rot, water damage and low efficiency. We factored in local experience to reflect the ability of Boulder window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.