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10 Best Window Replacement Companies in Helvetia, IL

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Windows play an important role in your house's appearance and energy efficiency. Replacing your windows is a great way to increase the value of your home. If your windows are outdated or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Helvetia, this can add an extra $255 per year on your energy bills. Choosing the right company for you is a big decision. That's why we've created this list of the top window installers in Helvetia.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Best Customer Service
4.3/5
  • Great customer service
  • Transparent pricing
  • Award winning company
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty

Top 10 Best Window Replacement Companies in Helvetia

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen

Renewal by Andersen Logo

Our Rating

User Rating

2446 Schuetz Rd, Maryland Heights, MO 63043 (314) 983-9977 renewalbyandersen.com

Price transparency

Timely service

Free assessment

Educational website

Good customer service

Services Offered

Window replacement/installation
Bay windows
Skylights
Glass doors
Double-hung

Champion Replacement Windows of St. Louis

Champion Replacement Windows of St. Louis Logo

Our Rating

User Rating

29 Cassens Ct, Fenton, MO 63026 (636) 764-0470 championwindow.com

Free assessment

Price transparency

Good customer service

Services Offered

Glass doors
Bay windows
Window replacement/installation
Double-hung

Empire Supply Co

Empire Supply Co Logo

Our Rating

User Rating

7286 Manchester Rd, St. Louis, MO 63143 (314) 645-2633 empiresupplystl.com

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

Vinyl frames
Double-hung
Metal frames
Glass doors
Storm/impact windows
Tempered glass
Mirrors
Window replacement/installation
Energy-efficient options

Building Envelope Experts

Building Envelope Experts Logo

Our Rating

User Rating

1576 Fencorp Dr Suite 160, Fenton, MO 63026 (314) 310-7878 buildingenv.com

Timely service

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

Double-hung
Window replacement/installation
Bay windows
Custom window designs
Glass doors
Vinyl frames
Energy-efficient options

Window Nation

Window Nation Logo

Our Rating

User Rating

1913 Belt Way Dr, Overland, MO 63114 (314) 279-8249 windownation.com

Free assessment

Price transparency

Educational website

Good customer service

Services Offered

Bay windows
Window replacement/installation
Energy-efficient options
Vinyl frames
Glass doors
Custom window designs
Double-hung

Glass Doctor of Greater St. Louis

Glass Doctor of Greater St. Louis Logo

Our Rating

User Rating

9400 Manchester Rd, St. Louis, MO 63119 (314) 962-4344 glassdoctor.com

Good customer service

Price transparency

Educational website

Services Offered

Glass doors
Energy-efficient options
Custom glass
Glass repair
Tempered glass
Glass showers
Mirrors
Window replacement/installation
Window repair

Glass Doctor of St. Charles, MO

Glass Doctor of St. Charles, MO Logo

Our Rating

User Rating

3910 Old Hwy 94 S Ste 105A, St Charles, MO 63304 (314) 962-4344 glassdoctor.com

Price transparency

Educational website

Good customer service

Services Offered

Glass repair
Tempered glass
Glass doors
Window repair
Window replacement/installation
Mirrors
Glass showers
Custom glass
Energy-efficient options

Home Services at The Home Depot

Home Services at The Home Depot Logo

Our Rating

User Rating

5501 Belleville Crossing St, Belleville, IL 62226 (224) 241-2501 homedepot.com

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

Storm/impact windows
Screen repair
Window replacement/installation
Glass doors
Glass showers
Skylights
Vinyl frames
Glass repair
Custom window designs
Metal frames

Mad City Windows & Baths

Mad City Windows & Baths Logo

Our Rating

User Rating

959 Harmsted Court, St Charles, MO 63301 (314) 396-6394 madcitywindows.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Bay windows
Glass showers
Vinyl frames
Window replacement/installation
Energy-efficient options
Double-hung

Glass Doctor of Mount Vernon

Glass Doctor of Mount Vernon Logo

Our Rating

User Rating

1800 S 10th St, Mt Vernon, IL 62864 (618) 244-2708 glassdoctor.com

Educational website

Price transparency

Good customer service

Services Offered

Glass repair
Energy-efficient options
Window replacement/installation
Custom glass
Mirrors
Glass doors
Window repair
Glass showers
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Helvetia?

The cost of window installation or replacement will be influenced by several factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Helvetia will spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Replacing your current windows with new energy-efficient ones can greatly boost your home's noise reduction, appearance, comfort, insulation, and value. Signs it's time to invest in new windows include:

  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Windows that are difficult to open, close, or lock properly due to wear and age.
  • Drafts and cold air coming in through old, loose-fitting windows.
  • Condensation issues, fogging between window panes, or rotting window frames that let in moisture.
  • Discomfort and high energy bills from poor window insulation.

How To Choose a Window Company

Hiring a qualified window installer is critical to a successful project. Below, you'll learn the most important considerations when it comes to deciding which company to hire.

Experience

Make sure you choose a seasoned local installer with a proven track record of successfully installing and replacing windows. Companies that have been operating locally for many years are more likely to understand the local climate and local homeowners' needs. Get references from recent clients to confirm a company provides quality installations.

Certifications

Look for installers that are backed by major window manufacturers and accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has gotten proper training in quality installation methods. Ensure installers are employees, not subcontractors, and verify that the technicians assigned to your job have the right certifications.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau, and requesting local references. Review customer feedback to make sure that a company delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy or unfinished work.

Process

The most qualified company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of vague quotes or timelines that lack clear and specific information. Look for consistent communication throughout the process to avoid surprises down the road.

Warranties

Search for window installers that offer guarantees on labor and materials. This displays confidence in their work. Target companies that offer unlimited lifetime warranties that can pass to new homeowners.

Materials

Ensure that a company works with durable, energy-efficient window brands that fit your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Helvetia, IL

In Helvetia, the best time to install windows is during the late fall when the temperatures are milder, so the windows can fit and settle properly. A good local window installer in Helvetia will be able to tell you when the best time is to install windows on your house.

The best type of replacement window for your Helvetia home will depend on the age of your home, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's newer — so your new windows match. Wooden windows can give a traditional look and appearance, while vinyl-framed windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, since they are energy efficient and durable.

The most expensive windows are double-hung windows. They are more intricate than single-hung windows, which makes them more costly. Single-hung windows are the cheapest on the market. In terms of frames, vinyl and aluminum are the most affordable options.

It depends on your budget and the condition of your existing windows. If your current windows are in decent condition, you might only replace the ones that really need to be replaced. If you're in an area that has average energy costs, you may want to consider replacing all your windows at once to get the highest energy savings.

Yes, most window companies provide financing options for their customers. Some installers provide low-interest loans based on your income, while other companies offer unique financing plans with agreements and conditions that vary depending on the job.

Window companies in Helvetia usually offer a range of services, including measuring and installing new windows, repairing existing windows, replacing window glass, and hanging window treatments. They may also offer extra services such as weatherproofing or cleaning.

Getting windows professionally installed can provide a number of benefits. Professional installers can guarantee that your windows are properly installed, sealed, and insulated, preventing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to get the job done, which can save you time and money.

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