20 Best Window Companies in Thomas, MI (2025 Reviews)
Are you looking to upgrade your windows? Our guide to the top window installation companies can help you pick the right one for you.
We analyzed all the top-rated window companies in Thomas and selected the best 20 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 top window installation companies in Thomas may not seem like the most interesting article on EcoWatch, but trust us, windows have a more direct impact on your life than you might realize. Potential leaks or drafts from your windows can make your AC or heater work extra hard in the summer or winter.
Replacement windows improve the insulation in your home, not only making you and your family more comfortable during extreme temperatures, but also saving you some money and helping the environment.
Unlike other sites, EcoWatch ranks window companies on energy efficiency while also taking into consideration 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 Thomas
The EcoWatch team researched many installers in Thomas to find the top ones for our readers. The providers in this article passed our review standards for energy-efficient offerings as well as customer service, price, local expertise and beyond.

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 offers the best availability in Thomas. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window industry for about 27 years. Many positive reviews on customer review websites back the provider's reputation.
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 WindowsThere are a wide range of window types available from Renewal by Andersen, some of which are Energy Star products. 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 Thomas?Prices aren’t displayed 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. You can ask for a free quote on its website for more information about the cost.

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 offers windows expertise in Thomas. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window industry for about 27 years. Many positive reviews on customer review websites back the provider's reputation.
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 WindowsThere are a wide range of window types available from Window World, some of which are Energy Star products. 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 Thomas?Prices aren’t displayed on Window World’s website, but it's known for offering some of the most affordable window installations around. You can ask for a free quote on its website for more information about the cost.
We have tried to remain unbiased and transparent by including pros and cons for each installer. Additionally, any partnerships do not influence our reviews.
More Window Companies in Thomas
Dover Doors & Windows
Saginaw, MI
Free assessment
Educational Website
Price Transparency
Good Customer Service
Services Offered
Bay Windows
Glass Doors
Double-Hung
Window Replacement/Installation
Pro Bros Window & Door
Brighton, MI
Good Customer Service
Price Transparency
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Kotch's Windows-N-More
Howell, MI
Free assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Triple Pane Glass
Double-Hung
Custom Window Designs
Window Replacement/Installation
Energy-Efficient Options
Glass Doors
Bay Windows
Vinyl Frames
Great Lakes Home Design LLC
Freeland, MI
Good Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Bay Windows
Window Replacement/Installation
Energy-Efficient Options
Glass Doors
The Window Professor Call 855-99-UPGRADE
Mt Morris, MI
Good Customer Service
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Glass Doors
Pella Windows & Doors of Mt. Pleasant
Mt Pleasant, MI
Free assessment
Educational Website
Price Transparency
Services Offered
Energy-Efficient Options
Fiberglass Frames
Bay Windows
Double-Hung
Window Replacement/Installation
Glass Doors
Acme Home Exteriors
Okemos, MI
Free assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Kosin's Glass
Howell, MI
Free assessment
Timely Service
Services Offered
Glass Repair
Mirrors
Glass Showers
Glass Doors
Tempered Glass
Screen Repair
Skylights
Storm/Impact Windows
Window Replacement/Installation
Custom Glass
Window Repair
Energy-Efficient Options
Bay Windows
Countryside Window & Door
Saginaw, MI
Price Transparency
Good Customer Service
Free assessment
Timely Service
Services Offered
Window Replacement/Installation
Glass Doors
Bay Windows
Double-Hung
Custom Window Designs
Energy-Efficient Options
Glass Doctor of Bay City, MI
Bay City, MI
Price Transparency
Educational Website
Good Customer Service
Services Offered
Mirrors
Custom Glass
Glass Showers
Bay Windows
Window Repair
Glass Repair
Energy-Efficient Options
Window Replacement/Installation
WindowParts.com
Davison, MI
Price Transparency
Educational Website
Good Customer Service
Free assessment
Services Offered
Double-Hung
Window Replacement/Installation
Roof Windows
Skylights
Window Repair
Glass Doors
K.Fedewa Builders
St Johns, MI
Good Customer Service
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Fenton Glass Service
Fenton, MI
Price Transparency
Free assessment
Good Customer Service
Services Offered
Energy-Efficient Options
Mirrors
Window Replacement/Installation
Custom Glass
Glass Repair
Glass Showers
C&L Ward
Okemos, MI
Educational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Glass Doors
Energy-Efficient Options
Double-Hung
Skylights
Bay Windows
Window Repair
Rob's Window and Glass Repair inc.
Howell, MI
Good Customer Service
Timely Service
Price Transparency
Free assessment
Services Offered
Glass Repair
Bay Windows
Double-Hung
Window Replacement/Installation
Glass Doors
Window Repair
Divine Doors Windows & Trim, Inc.
Brighton, MI
Free assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Vinyl Sash of Michigan
Grand Blanc Twp, MI
Free assessment
Educational Website
Good Customer Service
Services Offered
Vinyl Frames
Energy-Efficient Options
Double-Hung
Window Replacement/Installation
D&W Windows and Sunrooms
Davison, MI
Educational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Bay Windows
Glass Doors
Window Replacement/Installation
Glass Doctor of Grand Blanc, MI
Flint, MI
Free assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Window Repair
Glass Repair
Window Replacement/Installation
Mirrors
Glass Showers
Custom Glass
Glass Doors
Energy-Efficient Options
Lapeer Awning & Window Co.
Lapeer, MI
Free assessment
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Thomas, MI 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 Thomas Saves You Money
Energy-efficient windows can offer benefits in more than one way. Here are some reasons you may want to consider making the switch:
- Save on energy bills: According to the Department of Energy, heat gained or lost through windows makes up about 25-30% of household energy use. Upgrading to energy-efficient models can help decrease that number, therefore saving you about 12% more on your bills.
- Protect your investment: Upgrading your windows is an important part of maintaining your property and its real estate value, especially if your home is on the older side.
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
- Decrease your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by 471 pounds per year on average.
Estimated Cost of Window Replacement in Thomas
When researching window installation, each company provides different services and prices. Let’s take a look at some typical costs and services.
How Much Do New Windows Cost?
Although the typical cost of replacing one window is around $600, it can range anywhere from $200 to $1,200. This is because window installations depend on a variety of factors specific to your home, such as the size, material and number of windows you need to install, as well as the location of your property.
Whether or not you choose energy-efficient windows is another factor that will determine the cost. These will usually cost more than other windows, but on the other hand, you can save about $459 a year on your energy bills in Thomas.
Asking for free quotes from multiple installers is the best way to find out which one will work best for your budget.
What Services do Window Installers Offer?
The first step when planning an installation is to figure out whether you need a full-frame or pocket installation.
A full-frame installation replaces the complete window, including the windowsill, frame, trim and the window panes. Because this type of installation requires more time and labor, it will be more expensive than a pocket installation. Pocket installations (or retrofits) involve installing a new window within the existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any rot or deterioration, you will likely need a full-frame installation instead.
If you’re still trying to decide which type of installation you need, you can talk to your provider and get their recommendation. The choice mostly is influenced by the age of your window frames and if there’s any damage present.
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 Thomas
EcoWatch differs from most reviewers because we assess these companies through a sustainability lens. Along with energy efficiency, we reviewed each installer and assigned rankings using the following methodology:
Service Area
Because this is a guide for Thomas, we only included companies that cover the city. There are certainly reputable providers that didn’t make the cut because they wouldn’t be able to serve homeowners in Thomas.
Work Quality
When installing new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent customer feedback to find the companies with the most customer satisfaction. Customer satisfaction may be the most important factor, as it indicates the quality of services across most other categories, including warranty, cost, quality of parts, professionalism, quality of installation and more.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing providers’ prices, we gave higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
Protecting your investment in new windows is important. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have a proven track record in the industry. Window installation companies that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.
Thomas, MI Window Replacement FAQs
How much does a window install cost?
The average cost of installing a window ranges between $450 and $650. There are many factors that influence the cost, which include styles and sizes of windows, your property’s location, the number of windows, local labor costs, how energy-efficient the windows are and the materials used in designing the windows.
Which kind of window is the best?
A window’s energy efficiency is affected by a variety of factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are often the most energy-efficient since they are certified by the U.S. Department of Energy.
What services do window installation companies do?
Window installation professionals go to your property to remove your old windows and replace them with new ones. Some companies install products sold by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation.
Should I replace all my windows at the same time?
If your windows are greater than 20 years old, it’s probably time to replace all of them. By that point, they are usually less efficient, draftier and/or more damaged than new windows. Doing your windows all at the same time will involve less paperwork and less stress.



