28 Best Window Replacement Companies in Denver, CO (Jan 2023)
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How Installing Energy-Efficient Windows in Denver Saves You Money

Switching to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here are more details about how upgrading your windows could help you:

• Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your home, you can reduce your carbon footprint by about 12%, according to Energy Star.
• Protect your investment: When your home is on the older side, your windows could also be outdated or leaky. Upgrading your windows is an important part of maintaining your property and its value.
• Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
• Save on power bills: After you switch to energy-efficient windows, you can see a reduction in your bills by about 12% since you'll require less energy to heat or cool your home.

Estimated Cost of Window Replacement in Denver

Let's take a look at the cost of updating your windows and the kinds of services offered by installers.

How Much Do New Windows Cost?

According to our market research, the typical cost to replace a single window is about $600. However, window replacement costs can range from $200 to $1,200 a window. But costs will vary considerably based on the quality of your products, the number of windows you need, your location and the current condition of your home. A lot of window companies also offer replacement door installations and other add-ons like coating, baths, shutters and more. Additional services will increase your overall project costs.

It's also worth noting that energy-efficient windows will almost always cost more initially, but Energy Star predicts that upgrading the windows on your Denver home can mean an average energy savings of $236 to $319 a year for single-pane window replacement, or between $87 to $126 a year for double-pane windows. The amount of money you'll save by switching to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.

Asking for free quotes from multiple installers is the best way to figure out which one is right for you.

What Services do Window Installers Offer?

In regard to window installations, there are typically two kinds that your installer will offer: full-frame and pocket installations.

Full-frame installations require replacing the entire window — the sill, frame, trim and all. These are typically done when you want a new style for your windows or when it has a great amount of damage. Full-frame installations require more time and labor and will increase overall costs. A pocket installation entails replacing a window within the old frame. So, instead of taking out the whole window and reinstalling it, the contractor will just slide the replacement window (also called a retrofit or insert window) into the frame.

Your window replacement company should be able to help you figure out what's best for your needs. In Denver, the decision will mostly be based on how old your home is and if there's any damage. Wood can decay if not maintained properly over the years, so it's good to have a professional examine your frames and window sills.

How We Choose the Best Window Installers in Denver

In our search to make your home improvements easier and more eco-friendly in Denver, the EcoWatch team assessed many companies before settling on these. We've reviewed the best window replacement companies in Denver mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

This one is pretty self-explanatory, but we've chosen to highlight window installers that serve the Denver area so you can find the best window installation company near you.

Work Quality

When choosing new windows, the quality and breadth of services can often play just as important of a role in insulation and performance as the type of window you get. We do give window installers more points if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

Customer Reviews

Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don't have good things to say about their experience with a certain company, it won't be featured on EcoWatch.

Cost

Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

Protecting your investment in new windows is important. That's why window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Because of Denver's climate, homeowners need to be wary of water damage, low efficiency and rot. We factored in local experience to reflect the ability of Denver window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.