Windows and Doors St. Catharines

Eco Choice Windows & Doors provides high-quality, energy-efficient window and door replacements for homeowners across the Niagara region. If you are searching for premium Windows and Doors in St. Catharines, you have found a team that understands exactly what local homes need to stay warm in winter and cool in summer. For over 15 years, we have been completing local window installation St. Catharines projects, bringing reliable, weather-tested solutions to local neighbourhoods. Have you ever felt a cold breeze creeping through a closed window during a January freeze? It’s time to put an end to that.

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Windows and Doors in St. Catharines – Built for Niagara’s Climate

When you live near the lake, the weather has a mind of its own. We provide direct, effective solutions tailored to your home to ensure you are fully protected against the elements. Our windows and doors are specifically engineered to handle the unique climate challenges of the region.

Why St. Catharines Homeowners Choose Energy-Efficient Windows

Local homeowners want comfort and reduced energy bills. Choosing eco-friendly windows in St. Catharines helps keep indoor temperatures stable. High-quality products prevent the heated air you are paying for from escaping, making energy-efficient doors in St. Catharines and premium windows a smart investment for your property.

How Niagara’s Weather Impacts Window and Door Performance

Niagara is famous for its fluctuating humidity and harsh freeze-thaw cycles. When moisture from Lake Ontario meets a sudden cold snap, poorly sealed windows can warp or crack. Our products are designed to withstand these extreme swings, keeping your home sealed and secure no matter the forecast.

Eco Choice’s Commitment to the St. Catharines Community

Although our main headquarters is in Toronto, our dedicated Niagara installation teams have served this community for more than 15 years. We are committed to offering the best windows for Canadian homes while treating every local house with the same care and respect we would give our own.

ENERGY STAR® windows, custom entry & patio doors. Book an in-showroom consult or a free in-home estimate.

Our 5-Step Window and Door Installation Process

In our 15 years of serving the area, I’ve learned that a window is only as good as its installation. As a lead installer, I make sure our team never cuts corners. Here is exactly how we get the job done right.

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Maximizing Natural Light Best Window Styles for Bright Interiors

Step 1 – Free In-Home Assessment and Measurement

Everything starts with a precise measurement. We visit your home to assess your current frames, check for moisture damage, and take exact dimensions so your new products fit flawlessly.

Step 2 – Product Selection and Energy Efficiency Consultation

We sit down with you to explore your options. Whether you are looking for specific aesthetic designs or maximum energy savings, we help you find the right match for your budget and home style.

Step 3 – Custom Manufacturing and Quality Control

Your order is custom-built to your home’s exact specifications. Every unit undergoes a rigorous quality control check before leaving the manufacturing facility.

Step 4 – Professional Installation by Certified Technicians

This is where local expertise shines. Heritage homes in St. Catharines often feature old brick openings that require careful handling. We use specialized flashing techniques to seal against lake-effect moisture and integrate advanced vapour barriers to prevent winter wind infiltration. We also shim every window to keep it perfectly level, accommodating any shifting in older frames.

Step 5 – Final Inspection and Warranty Activation

Once the caulking is cured and the trim is perfectly placed, we walk you through the project. We test every lock, hinge, and seal with you before cleaning up the site and activating your warranty.

Why Homeowners Choose Eco Choice

Energy-Efficient Windows and Doors We Install in St. Catharines

We offer a robust lineup of top-tier products designed to maximize your home’s thermal performance.

Vinyl Replacement Windows – Affordable and Low-Maintenance

If you are looking for vinyl windows in St. Catharines, we supply highly durable options that will not peel, blister, or flake. They are practically maintenance-free and offer incredible thermal resistance for a very reasonable price.

Fibreglass Windows – Premium Performance for Niagara Winters

Fibreglass expands and contracts at the exact same rate as glass. This makes it an exceptional choice for the dramatic temperature shifts in our region, keeping seals intact and preventing drafts during deep freezes.

Energy-Efficient Entry Doors – Steel, Fibreglass, and Wood Options

Your front door is your home’s first line of defence. We install heavy-duty steel and premium fibreglass doors that feature polyurethane cores for maximum insulation.

Patio and Garden Doors – Sliding and French Door Systems

Bring the beauty of the outdoors inside without letting the weather tag along. Our sliding and French doors feature multi-point locking systems and low-E glass coatings to keep your home comfortable and secure.

Climate Performance Guide for St. Catharines (Ontario Zone 2):

To thrive in our region, we recommend windows with a U-Factor of 1.22 W/m²K or lower (no worries about complicated formulas, we’ll walk you through it). Vinyl and fibreglass frames paired with triple-pane, Argon-filled glass offer the highest R-values, fighting off both the humid summers and the freezing winter winds common near the lake.

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Our Collection of Stylish, Energy-Efficient Windows

Window Replacement & Installation

Save Energy With Style.

Eco Choice offers a wide selection of custom windows, including awning windows, bay windows, bow windows, slider windows, and casement windows. Each option combines aesthetic appeal with superior insulation performance.

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Casement Windows

Casement Windows

Awning Windows

Awning Windows

Single Slider Window

Single Slider Windows

Single Hung Windows

Double Hung Windows

Double Hung Windows

double-slider

Double Slider Windows

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End Vent Windows

Fixed_Casement_open

Fixed Casement Windows

Picture Windows Replacement

Picture Windows

European Tilt & Turn Windows

Aluminum Window

Aluminum Windows

Door Replacement & Installation

Built to Last. Designed to Impress.

Enhance security, insulation, and curb appeal with durable, Canadian-made entry and patio doors available in a range of finishes, glass styles, and hardware options.

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Steel Entry Doors

Fiberglass Doors Toronto

Fiberglass Doors

French Doors

Sliding Patio Doors

Tilt Turn French Door

European Tilt Turn Doors

Novatech High-Performance System Doors

URBANIA & LOFT – Aluminum Patio Doors

Calculate Your Window Replacement Cost

Ready to upgrade your home with beautiful, energy-efficient windows? Use our Window Replacement Cost Calculator now to get an instant estimate and start your project today!

Window Cost Calculator

Easy Payment Plans

Easy Payment Plans

Our Work in St. Catharines and Niagara

We believe in showing, not just telling. Here are a few recent sustainable window solutions Niagara projects we have completed.

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Industry Standard

INDUSTRY STANDARD

EnergiMAX slim


Frame Size
3 1/4″
4 1/2″

Strength







Slim Frame
No
Yes

Hardware
Offshore Hardware
Roto European Hardware

Brightness







Sound Insulation





Efficiency
Industry Average
Energy Star Most Efficient

IG Spacer
Aluminum Spacer
Super Spacer

Warranty
10 – 15 Years
25 Years

What Our Clients Say

August 18, 2026

Saly Galo

Joe and slava the installers are the best for installing windows and doors they exceeded all expectations and more. The go way beyond I recommend them 1000%.

Anthony from eco choice sale windows highly recommend. For windows and doors.

August 16, 2026

Sue Fung

Eugene and the team provided an excellent service in installing all the windows in my house. They are approachable and professional in their work. I would recommend my friends and family if they require windows installation. Thanks team!

July 29, 2026

Marcella De Rose

Serg and his team were very professional and courteous. They answered all our questions, worked quickly and efficiently on our project. This is our third project with Eco Choice and we would use them and recommend them again.

July 25, 2026

Sandra G

We had an excellent experience with Eco Choice Windows and Doors from start to finish. Our salesperson was professional, knowledgeable, and very detail-oriented. He took the time to explain all of our options and helped us choose products that fit both our needs and our budget, without ever making us feel pressured.

The installation team was equally impressive. They were professional, efficient, and very friendly throughout the entire process. The installation was completed with great care and attention to detail, and they left everything spotless when the job was finished.

We are extremely happy with the quality of the work and the excellent customer service we received. We would highly recommend Eco Choice Windows and Doors to anyone looking for a reliable and professional company.

July 22, 2026

Dawn G

My window journey started with a quote from another company 16 windows and a patio door — $55,000. I’m not dramatic, but I absolutely cried. Then I called Eco Choice, and everything changed.

Anthony came out and was an absolute lifesaver. He walked me through every detail, inspected all the windows, and somehow came in under $20,000 for the same number of windows and the same quality plus spray‑foaming the attic. He answered every question I had (and I had a lot), and he even handled the rebate application for me. I didn’t have to lift a finger!

Then came installation day.

Slava and Joe headed the project, and honestly, they were incredible. They arrived right at 8:30, set up quickly, and had everything wrapped up around 330 with workmanship that was top‑tier.

Joe was unbelievably friendly and personable, the kind of guy who makes you feel like royalty in your own home. King of the castle, whatever you needed, Joe was right there making it happen. He was easy to talk to, warm, and made the whole experience feel comfortable and stress‑free.

Slava had this calm, confident “don’t worry, I’ve got this” energy. You could tell instantly that the project was in good hands. He managed the team smoothly, kept everything organized, and was super friendly the whole time.

The entire team was fantastic. They were skilled, hardworking, polite, and clearly took pride in what they were doing. The window framing is seriously breathtaking. My kids said wow I didn't realize how bad our windows were until now lol. They cleaned everything up beautifully no mess, no stress, just gorgeous new windows.

If you can request installers, I highly recommend Joe and Slava. They made an already great experience even better.

Eco Choice turned what started as a nightmare into one of the best home‑improvement experiences I’ve ever had.

June 05, 2026

Amit D

Excellent Experience with Eco Choice Windows and Doors

We recently had our windows replaced by Eco Choice Windows and Doors, and the entire experience was outstanding from start to finish.

A special thank you to Joe from the Sales team, who was exceptional throughout the process. He took the time to walk us through all the available options, answered all of our questions, and remained highly communicative from the initial consultation to project completion. His transparency and guidance made the decision process smooth and stress-free.

On installation day, we were equally impressed with Oleh, Viktor, and their team. They arrived early, worked efficiently, and demonstrated a high level of professionalism. Despite having a large number of windows to replace, they completed the job quickly without sacrificing quality. Their craftsmanship and attention to detail were evident throughout.

What stood out just as much was their respect for our home—they ensured everything was kept tidy during the work and left the space spotless once the job was done.

We are absolutely loving our new windows and couldn’t be happier with the results. I would highly recommend Eco Choice Windows and Doors to any friends or family looking for reliable, high-quality window replacement services.

May 29, 2026

Andrew Lambert

I am very happy with choosing Eco Choice. The salesman, Verne, was very polite and knowledgeable. He informed us how to get the most out of government rebates which we took advantage of.

We had 8 windows and a door replaced and they managed to get everything installed within a single day. The installers were hardworking and polite, and definitely took pride in their work. They also made the work site spotless before they left!

The energy auditor for the rebates said it was one of the best improvements he'd ever seen between the pre and post energy audits, which tells me the windows were built, and installation was done very well. The temperature in the house is now more consistent and there are no more drafts!

We have a few more upgrades planned for a few years out and we'll definitely be coming back to Eco Choice.

August 18, 2026

Rumteen Haghshenas

Ivan and his crew did an excellent job installing 10+ windows in our new home. They were super professional, efficient and had a very good attention to detail during the install. All this while keeping the clutter and mess inside the home to a minimum while spending the extra time doing a great job cleaning up.

July 19, 2026

Leanne Shaw

We had an outstanding experience with Eco Choice Windows & Doors from start to finish!

Our sales representative, Joe, was incredibly friendly, knowledgeable, and never made us feel pressured. He took the time to answer all of our questions and made the entire process easy and enjoyable. What really stood out was that he even checked in with us on the day of the installation to make sure everything was going well. That level of care and customer service was truly appreciated and made us feel valued throughout the entire process.

Our installation team, led by Oleh and his two teammates, was absolutely fantastic. They were professional, fast, efficient, and worked seamlessly together. We had six windows and two doors installed, and the quality of their workmanship is exceptional. Everything looks absolutely beautiful, and we couldn't be happier with the results.

When the installation was complete, they took the time to walk us through everything, making sure we were happy with the work and answering any questions we had. They also left everything clean and tidy, which we really appreciated.

We highly recommend Eco Choice Windows & Doors to anyone looking for quality products, exceptional craftsmanship, and outstanding customer service. Thank you, Joe, Oleh, and the entire team for such a wonderful experience!!

July 14, 2025

Sandra V

Had a great experience with everyone at eco choice. Friendly and professional. Love how my new windows and door look.

July 14, 2025

Matt

From the get-go Terry, the sales rep, was professional and easy to work with. He priced the job competitively with a superior energy star product. Then the install team took over and their workmanship was phenomenal. They took care of the floors, covered the furniture and cleaned up after themselves. Considering the amount of work that was completed in just 2 days the team amazed me with their detail oriented approach. Thanks Eco Choice - I likely will be calling you for my Doors next!

July 14, 2025

Victor Abel

I recently used Eco Choice Windows and Doors to replace all of my windows and it was a very smooth process! Recommending this company to anyone who has any windows and doors replacement needs.

July 14, 2025

Yasir Tanoli

Their first impression had left me no choice but to call them back for the services.
Very professional approach.

July 14, 2025

Rosemary Akala

Great service. Had a complaint and they cane back immediately to fix the problem. They worked hard to ensure i was satisfied. Mu windows look great. I will recommend them anytime.

July 14, 2025

Marc in Toronto

Dealing with EcoChoice was a pleasure. Joe was our sales rep and provided us with great product options which completely met our needs at a competitive price. Our installers were friendly and tidy. By all accounts, they did a terrific job as our doors work beautifully and look great! We would highly recommend using EcoChoice and plan to use them again for future projects.

Recent Vaughan Projects

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Milton Window Replacement

What Do Windows and Doors Cost in St. Catharines?

Let’s talk numbers. A standard window replacement typically ranges from $500 to $1,200 per window, fully installed. Entry doors generally fall between $2,000 and $5,000, depending on the materials and custom glass features.

Standard sizes and simple retrofits sit on the lower end of the spectrum. If you require full-frame tear-outs, custom shapes, or triple-pane upgrades, the investment will reflect those premium additions.

A basic steel entry door is a highly cost-effective option, while custom fibreglass double doors with decorative sidelights require a larger budget. Patio doors usually range from $1,800 to $3,500 based on size and mechanism, so we will work with you to fit your budget.

Your final price depends on the number of units, window style (casement, awning, hung), glass packages, frame material, and the complexity of the installation.

We know this is a significant investment. That is why we offer flexible financing plans to suit your budget. If you are searching for a window and door replacement near me, start by getting a free in-home quote so you have accurate numbers to work with.

Why Choose Eco Choice Windows & Doors in St. Catharines

We don’t just sell windows; we provide peace of mind. We stand behind our work, our team, and our products.

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Serving St. Catharines, Ontario

From the historic streets of Old Glenridge to the shores of Port Weller, we proudly cover the entire city. We actively serve neighbourhoods including Port Dalhousie, Merritton, Glenridge, Downtown St. Catharines, Queenston, Martindale, St. Patrick’s Ward, Fitzgerald, Western Hill, and Rockway. We also extend our services to nearby communities like Niagara Falls, Thorold, Welland, Niagara-on-the-Lake, Lincoln, and Grimsby. No matter where you are in the region, replacement windows in St. Catharines are just a phone call away.

Building Permit for Window and Door Replacement

Our Service Locations

FAQs About Window & Door Replacement in Vaughan

Casement, awning and slider windows are commonly chosen by Vaughan homeowners because they offer strong energy efficiency, smooth operation and great ventilation. These styles work well with both modern and traditional home designs.

Yes, all of our energy efficient windows meet or exceed ENERGY STAR performance standards. This ensures better insulation, lower energy costs and reliable performance in Ontario’s climate.

Most installation projects are completed within one to two days. The timeline depends on the number of windows being replaced and the level of preparation required for each opening.

Yes, we offer flexible financing options to make your project more manageable. Our team also assists homeowners in finding available rebates and incentives that can reduce overall costs.

Our lifetime warranty covers product defects and the quality of installation. This provides long term protection and gives homeowners confidence that their windows and doors will perform reliably for years to come.

The best window depends on natural light, airflow, insulation needs, and your home’s style. Casement, picture, and double-hung windows are the most popular choices for Vaughan homeowners.

Full guide – Which Type of Replacement Window Is Right for Your Home?

Full-frame replacement is best for older homes or damaged frames, while retrofit is more budget-friendly and keeps the existing frame.

Compare both – Full Frame vs Retrofit Window Replacement

Most Vaughan homes can be completed in one to three days depending on how many windows you’re replacing.

More details – How Long Does It Take to Replace Windows in an Entire Home?

Yes, just clear the space around the windows, remove blinds or curtains, and make room for installers.

Preparation guide – How to Prepare Your Home for Window Replacement

Vinyl is the most energy-efficient, aluminum is the most durable, and wood offers premium aesthetics.

Full breakdown – Comparing Aluminum and Vinyl Windows: Pros and Cons for Homeowners

Direct replacements usually don’t need a permit. Changing the size of the opening or structural modifications do.

Rules explained – Do You Need a Building Permit for Window and Door Replacement in Ontario?

Yes. ENERGY STAR® windows reduce heating costs, prevent drafts, and improve year-round comfort.

Learn more – Window Energy Ratings: What Homeowners Need to Know