24 Best Window Replacement Companies in Alton, NH (Mar 2023)
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How Installing Energy-Efficient Windows in Alton Saves You Money

When you switch to energy-efficient windows, you may see some perks, such as:

• Save on power bills: The Department of Energy estimates that heat gained or lost through windows makes up around 25-30% of residential energy use. Switching to energy-efficient windows can help decrease that number, which helps you save some money on your bills.
• Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only insulate your home better, but also filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
• Decrease your carbon footprint: In Alton, you can lower your indirect greenhouse gas emissions by about 152 pounds per year when you install energy-efficient windows.
• Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes usually have windows that are outdated, drafty or maybe even damaged in some way. Upgrading your windows could help increase the value of your home if you decide to sell.

Estimated Cost of Window Replacement in Alton

When researching window installation, each company provides different services and prices. Let's go over some typical costs and services.

How Much Do New Windows Cost?

On average, homeowners in Alton can anticipate that most window installations will cost between $250 and $1,200, with the average cost at around $600. This is because window installations are based on a variety of factors specific to your home, like the size, material and number of windows you need to install, as well as where your property is located.

It's also worth bearing in mind that energy-efficient windows will almost always cost more initially, but Energy Star predicts that upgrading the windows on your Alton home translates to an average energy savings of $236 to $319 a year for single-pane window replacement, or between $87 to $126 a year for double-pane windows. How much you'll save by switching to energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.

Requesting free quotes from multiple companies is the best way to find out which one will work best for your budget.

What Services do Window Installers Offer?

The first step of a window replacement is to decide whether you want a full-frame or pocket installation.

A full-frame installation replaces the total window, such as the sill, frame, trim and the window panes. As this kind of installation requires more time, it will be more expensive than a pocket installation. A pocket installation involves replacing a window without replacing the frame. This means instead of removing the whole unit and reinstalling it, the installer will just put the replacement window (also called a retrofit or insert window) into the frame.

Your window installation company should be able to help you choose which type of installation you should get.

How We Choose the Best Window Installers in Alton

In our hunt to make your home improvements easier and more eco-friendly in Alton, the EcoWatch Reviews team evaluated dozens of companies before settling on these. We've evaluated the top window installers in Alton mainly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows have been shown to cut your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Since this is a guide for Alton, we gave more points to companies that cover the city. There are certainly other reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Alton.

Work Quality

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

Customer Reviews

We analyzed patterns in recent customer feedback to find the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across most other categories, including quality of parts, professionalism, warranty, cost, quality of installation and more.

Cost

Cheaper windows don't necessarily mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing the prices of providers, 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 with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Due to Alton's climate, homeowners need to be wary of rot, low efficiency and water damage. We factored in local experience to reflect the ability of Alton window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.