22 Best Window Replacement Companies in Dover, DE (Mar 2023)
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How Installing Energy-Efficient Windows in Dover Saves You Money

Energy-efficient windows can benefit you in several ways. Here are a few reasons you may want to consider making the switch:

• Save on energy bills: The Department of Energy estimates that heat gained or lost through windows makes up about 25-30% of residential energy use. Installing energy-efficient windows can help decrease that amount, which helps you save $260 a year on your bills.
• Protect your investment: If your home is on the older side, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
• Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
• Decrease your carbon footprint: Decreasing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by about 299 pounds.

Estimated Cost of Window Replacement in Dover

Each window installation company offers various services and has varying prices based on a few factors.

How Much Do New Windows Cost?

Although the national average of replacing one window is about $600, it can range from $200 to $1,200. But prices differ remarkably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also offer door replacements, which will make your project cost more.

It's also worth keeping in mind that energy-efficient windows will typically cost more initially, but Energy Star predicts that upgrading the windows on your Dover home can mean 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 depends on your local climate, energy rates and other factors unique to your home.

Something else that influences the total cost is the material of the frame you choose. Aluminum frames are typically the least expensive and are sturdy and light, but they provide poor insulation. On the other hand, wood frames cost the most, as they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.

What Services do Window Installers Offer?

Generally, there are two types of window replacement services companies offer: full-frame and pocket installations.

Full-frame installations involve replacing the full window, including the frame, trim and sill. Full-frame installations are necessary when you want a new style or your window has considerable damage. Full-frame installations are more involved and will increase overall costs. Pocket installations are on the simpler end and won't carry as large a bill because they involve simply replacing the window within its existing frame. But if the frame has any damage or deterioration, you may have to get a full-frame installation instead.

Your window installation company should be able to help you figure out which type of installation you need.

How We Choose the Best Window Installers in Dover

EcoWatch reviews are different from most reviews since we examine these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and ranked them using the following methodology:

Service Area

Because this is a guide for Dover, we gave more points to companies that cover 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 Dover.

Work Quality

We're certain that you're looking for professionals who do a great job installing windows. We've vetted each installer in our guide to make sure its technicians are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.

Customer Reviews

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

Cost

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

Warranty

Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that have 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 been in the industry for quite some time. Window installation companies that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.