16 Best Window Companies in James Island, SC (2025 Reviews)
Are you thinking of upgrading your windows? Our list of the best window installation companies can help you narrow down which one to choose.
We analyzed all the top-rated window companies in James Island and selected the best 16 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
A review of the best window replacement companies in James Island may not seem like the most captivating article on EcoWatch, but trust us, windows have a more direct impact on your life than you might think. If your house has outdated, drafty windows, your AC or heater could be working extra hard to heat or cool your home. This means spending more on power bills.
Luckily, saving you money with efficient windows also aligns with our goals of reducing energy usage for the environment.
Unlike other review sites, EcoWatch ranks window replacement companies on energy efficiency while also considering cost, customer satisfaction and service area.
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Energy-Efficient Features
DaBella
- Great warranty
- Friendly sales representatives
- Offers good financing options
Best Window Installation & Replacement Companies in James Island
The EcoWatch Reviews team researched dozens of companies that service the James Island area to find the top window installation companies by our standards. The providers mentioned in this article scored best in our review categories, which include energy-efficient offerings, local expertise, availability, customer service, price and more.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World provides windows expertise in James Island. This window installation company has been operating since 1995 and currently serves 200 locations nationwide.
It is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsWindow World offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in James Island?Prices aren’t mentioned on Window World’s website, but it's known for offering some of the most affordable window installations around. For more accurate information on the cost, you can request a quote from the company.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen provides the best availability in James Island. This window installation company has been operating since 1995 and currently serves nearly every state except Mississippi and West Virginia.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in James Island?Prices aren’t mentioned on Andersen’s website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. For more accurate information on the cost, you can request a quote from the company.
One thing to note is that the following companies are national, meaning the quality of the service may vary depending on your local crew. We have tried to remain unbiased and transparent by including pros and cons for each company.
More Window Companies in James Island
Glass Doctor Home + Business of Charleston and Summerville
10583 US-78, SCPrice Transparency
Good Customer Service
Educational Website
Services Offered
Mirrors
Window Repair
Window Replacement/Installation
Glass Doors
Energy-Efficient Options
Glass Showers
Screen Repair
Custom Glass
Glass Repair
West Shore Home
Ladson, SCFree assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Double-Hung
Bay Windows
Glass Showers
Custom Window Designs
Glass Doors
NewSouth Window Solutions
Charleston, SCFree assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Glass Doors
Storm/Impact Windows
Double-Hung
Metal Frames
Energy-Efficient Options
Window Replacement/Installation
The Glass Guru
Charleston, SCEducational Website
Free assessment
Good Customer Service
Services Offered
Vinyl Frames
Custom Glass
Tempered Glass
Window Repair
Skylights
Metal Frames
Screen Repair
Glass Repair
Mirrors
Triple Pane Glass
Fiberglass Frames
Storm/Impact Windows
Window Replacement/Installation
Energy-Efficient Options
Glass Showers
Wood Frames
Glass Doors
Contract Exteriors
Charleston, SCFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Window Replacement/Installation
Budget Blinds
North Charleston, SCGood Customer Service
Free assessment
Educational Website
Services Offered
Energy-Efficient Options
Custom Window Designs
Window Replacement/Installation
Palmetto Glass & Mirror Inc
Charleston, SCTimely Service
Free assessment
Good Customer Service
Educational Website
Services Offered
Tempered Glass
Glass Repair
Glass Doors
Mirrors
Window Replacement/Installation
Glass Showers
Window World of the Lowcountry
Ladson, SCEducational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Double-Hung
Glass Doors
Vinyl Frames
Window Replacement/Installation
Bay Windows
Muhler
Charleston, SCGood Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Vinyl Frames
Storm/Impact Windows
Window Replacement/Installation
Custom Window Designs
Pella Windows & Doors of Johns Island
Johns Island, SCFree assessment
Educational Website
Good Customer Service
Services Offered
Bay Windows
Glass Doors
Double-Hung
Window Replacement/Installation
Coastal Siding & Windows, Inc.
Charleston, SCFree assessment
Price Transparency
Educational Website
Timely Service
Good Customer Service
Services Offered
Window Replacement/Installation
Vinyl Frames
Glass Doors
Energy-Efficient Options
BC Roofing and Handyman Services
Beaufort, SCTimely Service
Educational Website
Good Customer Service
Free assessment
Price Transparency
Services Offered
Glass Showers
Energy-Efficient Options
Window Replacement/Installation
Mirrors
Charleston Window & Glass
North Charleston, SCFree assessment
Services Offered
Window Replacement/Installation
Mirrors
Glass Showers
Energy-Efficient Options
Glass Doors
Brothers Builders & Renovation LLC
Charleston, SCFree assessment
Price Transparency
Timely Service
Services Offered
Energy-Efficient Options
Window Replacement/Installation
All About Windows
Charleston, SCPrice Transparency
Services Offered
Window Replacement/Installation
Custom Window Designs
A-1 Glass of North Charleston
North Charleston, SCGood Customer Service
Services Offered
Mirrors
Window Replacement/Installation
Glass Showers
Window Repair
Custom Glass
Calculate how much you can expect to pay for window installation and replacement in James Island, SC using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in James Island Saves You Money
Energy-efficient windows can provide benefits in more than one way. Here are some reasons you may want to make the switch:
- Save money on energy bills: After you install energy-efficient windows, you can expect a reduction in your bills by about 12% because you’ll use less energy to heat or cool your house.
- Protect your investment: Upgrading your windows is an important part of maintaining your property and its value, especially if your home is on the older side.
- Reduce 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 valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in James Island
Windows come in varying shapes, styles and purposes, so costs and services will differ considerably depending on several factors. Below, we describe the average cost and services that you’ll find from window installation companies.
How Much Do New Windows Cost?
Typically, homeowners in James Island can expect that most window installations will range from $250 to $1,200, with the average cost at around $600. But costs will differ significantly depending on the number of windows you need, the current condition of your home, your location and the quality of your products. A lot of window companies also offer door installations and other add-ons like baths, coating, shutters and more. Additional services will increase your overall project costs.
It’s important to note that windows with higher efficiency may cost more upfront but can save you hundreds of dollars by lowering your energy bills. Investing in Energy Star certified windows can save James Island homeowners $313+ a year when replacing single-pane windows.
Another factor that influences the overall cost is the material of the frame you select. Aluminum frames are typically the least expensive and are sturdy and light, but they offer poor insulation. On the other hand, wood frames are the most expensive because 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?
There are generally two kinds of window replacement services: full-frame and pocket installations.
Full-frame installations entail replacing the full window, including the frame, trim and sill. Full-frame installations are necessary when you want to change the style of your windows or your window has considerable damage or rot. These installations are more involved and will increase the overall cost. A pocket installation involves replacing a window within the existing frame, which tends to be cheaper than a full-frame installation.
Your window installation company should be able to help you figure out which type of installation you should get.
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Energy-Efficient Features
DaBella
- Great warranty
- Friendly sales representatives
- Offers good financing options
How We Choose the Best Window Installers in James Island
EcoWatch is different from other reviewers, as we evaluate these companies through a sustainability lens. Along with energy efficiency, we analyzed each installer and ranked them using the following methodology:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve a wide variety of states and cities so you can find a quality window installation company near you.
Work Quality
We’re certain that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each installer featured in our guide to make sure its technicians 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 highest rates of customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across nearly every category, including professionalism, quality of parts, cost, warranty, quality of installation and more.
Cost
Cheaper windows certainly don’t 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 scores to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for a while. Window installation companies that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
James Island, SC Window Replacement FAQs
What is the average cost to install windows in a home?
The average cost to install one window ranges between $450 and $650. There are many factors that affect the cost, including how energy-efficient the windows are, local labor costs, your property’s location, styles and sizes of windows, the materials used in designing the windows and the number of windows.
What kind of window is the best for energy efficiency?
Generally, double-pane windows will be more efficient than single-pane windows and windows that don’t open will be more efficient than windows that do. If you want to be sure you’ll get the most energy-efficient windows, look for models that have the blue Energy Star certification — this means they’re certified energy-efficient by the U.S. Department of Energy.
What do window installation companies do?
Window installation companies will do the entire process — from replacing old windows with brand-new ones to cleaning up after the windows have been put in place. In addition, many companies offer window manufacturing, customization and repairs.
How often do you need to replace windows?
Windows usually last 20 to 30 years, but anytime you notice damage on your windows, it’s a good time to have an expert take a look at them to see if they need any repairs or replacements.
How long does window installation typically take?
Each window takes about 30 minutes to install based on the kind of window. However, the window installation can be a two-day job — or more — if you have a lot of windows that have to be installed.