30 Best Window Replacement Companies in South Londonderry, PA (2023 Reviews)
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How Installing Energy-Efficient Windows in South Londonderry 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:

• Decrease your carbon footprint: In South Londonderry, you can reduce your indirect greenhouse gas emissions by about 286 pounds per year once you upgrade to energy-efficient windows.
• Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out damaging UV rays, reducing fading of your furniture, carpet and other valuables.
• Protect your investment: Upgrading your windows is an important part of maintaining your property and its real estate value, particularly if your home is on the older side.
• Save money on electricity bills: According to the Department of Energy, heat gained or lost through windows accounts for around 25-30% of residential energy use. Replacing your windows with energy-efficient models can help decrease how much you have to pay, therefore saving you about 12% more on your bills.

Estimated Cost of Window Replacement in South Londonderry

Windows come in different shapes and sizes, so costs and services will vary greatly. Here are the average costs and services that you'll find from window installation companies.

How Much Do New Windows Cost?

According to our research, the average cost of replacing a single window is about $600. However, window installation costs can range from $200 to $1,200 for each window. Costs will vary significantly 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 replacement door installations and other add-ons like coating, baths, shutters and more. These extra services will increase your overall project costs.

With windows, efficiency is the most important factor for many homeowners. Windows with higher efficiency may cost more initially, but by increasing the efficiency of your home — particularly during the summer and winter — they can give you decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save South Londonderry homeowners $310+ per year after replacing single-pane windows.

Costs will also vary depending on the material of your frame. Aluminum frames cost the least. They're sturdy, light and easy to maintain, but provide poor insulation. Vinyl frames are somewhat expensive and provide good insulation. Composite frames made from wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.

What Services do Window Installers Offer?

There are generally two kinds of window replacement services: full-frame and pocket installations.

Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are typically done when you want to change the style of your window or when it has a great amount of rot or deterioration. Full-frame installations require more time and labor and will increase overall costs. Pocket installations are on the simpler end and won't cost as much, as they involve simply replacing the window within its existing frame. But if the frame has any damage or rot, 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 should get.

How We Choose the Best Window Installers in South Londonderry

In our hunt to find the most reliable, eco-friendly window installers in South Londonderry, the EcoWatch Reviews team chose the above companies as the best window installation companies in the city. Along with energy efficiency, we analyzed window companies all across the state and assigned rankings based on the following methodology:

Service Area

Since this is a guide for South Londonderry, we gave more points to companies that cover the city. There are certainly other reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in South Londonderry.

Work Quality

We're willing to bet that you're looking for professionals who do a great job installing windows. We've vetted each installer featured on this list to make sure its contractors are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across most other categories, including cost, warranty, quality of parts, quality of installation, professionalism and more.

Cost

This one is a give-and-take: similar to other services, cheap window companies may not provide the highest quality service. On the other hand, we want to make sure we're highlighting companies that offer a 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 labor rank higher with EcoWatch.

Years of Experience

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