20 Best Window Companies in Downey, CA (2025 Reviews)

How Installing Energy-Efficient Windows in Downey Saves You Money

By upgrading to energy-efficient windows, you can enjoy several benefits, including:

• Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent the fading of your floors, carpets and furniture by filtering out UV rays.
• Protect your investment: Upgrading your windows is an important part of maintaining your property and its value, especially if your home is on the older side.
• Reduce your carbon footprint: By using less energy after upgrading to energy-efficient windows, you’ll also be reducing your carbon dioxide emissions by about 12%, according to Energy Star.
• Save on power bills: The Department of Energy estimates that heat gained or lost through windows accounts for about 25-30% of household energy use. Upgrading to energy-efficient windows can help decrease that number, which helps you save some money on your bills.

Estimated Cost of Window Replacement in Downey

Windows come in various shapes and sizes, so costs and services will vary remarkably. Here are the typical costs and services that you can find from the average window installation company.

How Much Do New Windows Cost?

The typical cost to install a single window is about $600 but can range anywhere from $200 to $1,200. But costs will differ considerably depending on the quality of your products, the current condition of your home, the number of windows you need and your location. Many window companies also offer door installations and other add-ons like baths, shutters, coating and more. These extra services will increase overall project costs.

With windows, efficiency is the most important factor for many homeowners. High efficiency windows may cost more off the bat, but by increasing the efficiency of your home — especially if you live in a hot climate — they can give you many years of energy savings. According to Energy Star, buying certified energy-efficient windows can save Downey homeowners $509+ each year after replacing single-pane windows.

Getting free quotes from several companies is the best way to figure out which one will work best for your budget.

What Services do Window Installers Offer?

Generally, there are two types of window replacement services you can get: full-frame and pocket installations.

Full-frame installations are usually recommended when you want to change the style of your windows or your window has a lot of deterioration. With this service, your professionals will replace the complete window, including the trim, sill and frame. Pocket installations (or retrofits) entail replacing a window within its existing frame, which makes pocket installations take less time and therefore cost less. However, if the frame has any damage or rot, you should opt for a full-frame installation instead.

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

How We Choose the Best Window Installers in Downey

The EcoWatch Reviews team is different from other reviewers since we’re examining these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and assigned rankings using the following methodology:

Service Area

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

Work Quality

When installing new windows, the quality and variety of services can often play just as important of a role in overall efficiency and performance as the type of window you choose. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

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

Cost

This one is a give-and-take: similar to 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 provide a range of price and financing options so they’re accessible to most homeowners.

Warranty

As discussed previously, windows are a substantial investment, so you’ll want to make sure that investment is protected. Window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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