23 Best Window Replacement Companies in Wilmington, DE (Jan 2023)
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How Installing Energy-Efficient Windows in Wilmington Saves You Money

When you upgrade to energy-efficient windows, you may see several perks, including:

• Save on electricity bills: Upgrading to energy-efficient windows lowers your energy bills by about 12% because you use less energy.
• Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can cut your carbon footprint by about 12%, according to Energy Star.
• Protect your investment: Upgrading your windows is an important part of maintaining your property and its value, particularly if you have an older home.
• Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.

Estimated Cost of Window Replacement in Wilmington

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

How Much Do New Windows Cost?

According to our market research, the average cost to replace a single window is about $600. However, window installation costs can range from $200 to $1,200 for each window. These estimates vary depending on specific characteristics of your installation, like number of windows, type, size, material, the location of your home and more.

It's also worth noting that energy-efficient windows will almost always cost more upfront, but Energy Star predicts that upgrading the windows on your Wilmington 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. 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.

The cost of your window installation will also vary based on the kind of material you choose for the frames. Wood windows are usually the most expensive, but it depends if they are 100% wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are shown to be more efficient.

What Services do Window Installers Offer?

The first step when planning a window installation is to figure out whether you need a full-frame or pocket installation.

Full-frame installations entail replacing the complete window, including the trim, frame and sill. Full-frame installations are necessary when you want a new style or your window has significant damage or rot. Full-frame installations are more involved and will raise 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.

If you're unsure which window installation service you need, your installer can help you out. Generally, the choice depends on factors like the age and condition of the home, the type of building material, budget and time restrictions.

How We Choose the Best Window Installers in Wilmington

In our hunt to find the most reliable, eco-friendly window installers in Wilmington, EcoWatch assessed dozens of companies before deciding on these. Along with energy efficiency, we assessed each installer and ranked them based on the following methodology:

Service Area

Because this is a guide for Wilmington, we gave more points to companies that provide services to the city. There are other reputable providers that didn't make the list because they wouldn't be able to serve homeowners in Wilmington.

Work Quality

When picking new windows, the quality and breadth of services often plays just as important of a role in overall efficiency and performance as the brand you get. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

Customer Reviews

Customer feedback is another super 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

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

Warranty

Protecting your investment in new windows is important to many homeowners. That's why window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have a good track record in the industry. Window installers that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.