27 Best Window Replacement Companies in Sunnyvale, CA (2023 Reviews)
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How Installing Energy-Efficient Windows in Sunnyvale Saves You Money

There are quite a few benefits of switching to energy-efficient windows. Some reasons you may want to consider making the change are the following:

• Protect your investment: If you have a relatively old home, your windows are most likely in need of replacement. Updating your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
• Save money on energy bills: According to the Department of Energy, heat gained or lost through windows makes up around 25-30% of residential energy use. Installing energy-efficient models can help reduce how much energy is used in your home, therefore saving you about 12% more on your bills.
• Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
• Reduce your carbon footprint: In Sunnyvale, you can lower your indirect greenhouse gas emissions by about 117 pounds per year after you switch to energy-efficient windows.

Estimated Cost of Window Replacement in Sunnyvale

Let's go over the cost of window installation and the kinds of services offered by installers.

How Much Do New Windows Cost?

Generally, homeowners in Sunnyvale can expect that most window installations will range from $250 to $1,200, with the average cost sitting at around $600. This is because the cost of window installations are based on several factors specific to your home, such as the size, material and number of windows you need to install, as well as where your property is located.

It's also worth keeping in mind that energy-efficient windows will cost more upfront, but Energy Star predicts that switching out the windows on your Sunnyvale home translates to an average energy savings of $236 to $319 each year for single-pane window replacement, or between $87 to $126 each year for double-pane windows. How much you'll save by switching to energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.

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

What Services do Window Installers Offer?

There are typically two types of window installation services: full-frame and pocket installations.

Full-frame installations are necessary when you want a new style or your window has significant deterioration. With this service, your professionals will replace the complete window, including the frame, sill and trim. Pocket installations (or retrofits) involve installing a new window within its existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any damage or rot, you should opt for a full-frame installation instead.

If you're still trying to decide which kind of installation to get, you can consult with your installer 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 Sunnyvale

EcoWatch is different from most reviewers, as we look at these companies through a sustainability lens. Along with energy efficiency, we evaluated several window installers in Sunnyvale and ranked them based on the following methodology:

Service Area

This one is self-explanatory, but we've chosen to highlight window installation companies that serve Sunnyvale so you can find the right window installation company near you.

Work Quality

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

Customer Reviews

Customer feedback is another very important review factor. If most customers don't have good feedback about their service from a certain installer, it won't be featured on EcoWatch.

Cost

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

Warranty

As discussed previously, windows are a sizable investment, so you'll want to be certain that investment is protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have a proven track record in the industry. Window installers that have more experience will earn higher rankings by our standards. We like to see at least ten years of experience.