22 Best Window Replacement Companies in San Jose, CA (Jan 2023)
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How Installing Energy-Efficient Windows in San Jose Saves You Money

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

• Protect your investment: The older your home is, the more likely you are to benefit from switching to energy-efficient windows. Older homes tend to have windows that are outdated, leaky or maybe even damaged in some way. Upgrading your windows could help raise the value of your home if you decide to sell.
• Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.
• Save money on energy bills: According to the Department of Energy, heat gained or lost through windows accounts for around 25-30% of residential energy use. Installing energy-efficient models can help reduce that number, therefore saving you about 12% more on your bills.
• Decrease your carbon footprint: In San Jose, you can cut your indirect greenhouse gas emissions by about 117 pounds per year once you install energy-efficient windows.

Estimated Cost of Window Replacement in San Jose

When considering window installation, each company offers different services and costs. Let's look at some average costs and services.

How Much Do New Windows Cost?

Generally, San Jose homeowners can anticipate their replacement window installations to range from $250 to $1,200. The most common installations sit at about $600. How much it will cost you depends on several factors, like material, type, size, number of windows, the location of your home and more.

It's also worth bearing in mind that energy-efficient windows will usually cost more upfront, but Energy Star estimates that switching out the windows on your San Jose 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 varies based on your local climate, energy rates and other factors unique to your home.

Asking for free quotes from several companies is the best way to find out which one is right for you.

What Services do Window Installers Offer?

The first step of a window replacement is to think about whether you need a full-frame or pocket installation.

Full-frame installations entail replacing the complete window, including the sill, trim and frame. Full-frame installations are necessary when you want a new style or your window has significant deterioration. Because full-frame installations are more involved, they will increase the total cost. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are on the simpler end and won't cost as much, but you can't do this kind of installment if you have any pre-existing rot or water damage.

Your window installation company will be able to advise you on the best type for your project. In San Jose, the choice will mostly be based on how much damage there is currently and the condition of your existing frames.

How We Choose the Best Window Installers in San Jose

In our search to make your home improvements easier and more eco-friendly in San Jose, EcoWatch assessed many companies before settling on these. We have evaluated the best window installers in San Jose mostly based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy Star certified windows can cut your 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 San Jose, we gave more points to companies that serve the city. There are other reputable providers that didn't make our list because of the low odds that they would serve the average homeowner in San Jose.

Work Quality

When choosing new windows, the quality and range of services can often play just as important of a role in insulation and performance as the brand of window you opt for. We do give window installers higher marks if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

Customer Reviews

Another self-explanatory yet super important review factor is customer feedback. If most customers don't have good feedback about their service from a certain company, you won't see it featured on EcoWatch.

Cost

Cheaper windows certainly don't mean better windows, but we know many of our readers try to keep costs as low as possible. When analyzing the prices of providers, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

As discussed, windows are a hefty investment, so you'll want to make sure that investment is protected. Window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

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