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
Save 40% on Windows and enjoy a FREE Triple Pane Glass Upgrade.

DOORS
Receive a FREE Exterior Colour Upgrade on all Steel and Fiberglass Doors.

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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.

Explore Window Replacement
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

end-vent-slider

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.

Explore Door Replacement

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

No payment or interest for 3 or 6 months

Upgrade your Windows and Doors today and don’t make any payments for 3 or 6 months (fees apply, OAC)

60 equal installment payments

Pay for replacement windows or doors in convenient monthly installments over five years (interest rates apply, OAC)

Low monthly payment plan

Have your windows and doors installed without breaking your budget by stretching your payments over longer periods (fees and/or interest rates apply, OAC).

Easy Payment Plans

No payment or interest for 3 or 6 months

Upgrade your Windows and Doors today and don’t make any payments for 3 or 6 months (fees apply, OAC)

60 equal installment payments

Pay for replacement windows or doors in convenient monthly installments over five years (interest rates apply, OAC)

Low monthly payment plan

Have your windows and doors installed without breaking your budget by stretching your payments over longer periods (fees and/or interest rates apply, OAC).

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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Whole-Home Window Replacement in Port Dalhousie

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Energy-Efficient Patio Door Installation in Downtown St. Catharines

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Heritage Home Window Retrofit in Old Glenridge

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New Construction Supply in Merritton

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Streamlined Design

Lower profile sash maximizes glass surface area, offering a slimmer frame for increased light and improved visibility

Enhanced Insulation

A frame profile of 4 9/16″ featuring extra thermal pockets, boosts overall performance and energy efficiency

Pure Material

Crafted from 100% Virgin UPVC and undergoes a chemical process to remove impurities, resulting in vibrant, long-lasting colors

Improved Sound Insulation

The deeper frame profile enhances sound insulation, ensuring a quieter and more peaceful indoor environment

Modern Aesthetics

Offers a contemporary look compared to traditional contured edge profiles to enhance the visual appeal of your home

Superior Performance

Super Spacer Premium Plus, a silicone warm-edge foam spacer with integrally incorporated desiccant, featuring a narrow 1/4” sightline.

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

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

Hope G

The overall use of flatsome is very VERY useful. It lacks very few, if any, things! I loved it and have created my first ever website Punsteronline.com! Best yet, flatsome gets free updates that are great! (and the support is amazing as well!:)

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.

July 14, 2025

Jay B

I chose two different window companies to do various windows in my home as I liked certain features of each window type. As it turns out, Eco Choice was by far the better company from my experience. If you want a professional window and door company, this would be the one. No wonder they have won multiple awards. Thank you Alani and team.

July 14, 2025

Aileen Miziolek

I’ve had a great experience with ECOCHOICE Windows and Doors. They were professional from beginning to end! Isaac sold me exactly what I needed and Nikita installed everything perfectly! I was really impressed with their team. My windows look great and I can’t believe what a difference it’s made in my home! 5 stars for the whole team at ECOCHOICE - I highly recommend them!

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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15+ Years Serving St. Catharines and Niagara Homeowners

Experience matters. We have successfully completed thousands of installations across the region, navigating every type of home architecture and weather condition imaginable.

Certified Installers and Factory-Trained Technicians

Our crews are fully certified and undergo rigorous factory training. They know exactly how to handle our specific product lines to ensure flawless performance.

Industry-Leading Warranties and Satisfaction Guarantee

We protect your investment with comprehensive, fully transferable lifetime warranties on both our products and our installation labour. If something goes wrong, we make it right.

What Our St. Catharines Customers Say (Google Reviews)

Our reputation speaks for itself. Local families consistently rate us highly for our punctuality, transparent communication, and impeccable cleanup.

Fully Insured and WSIB Compliant

Safety and trust go hand in hand. We carry full liability insurance and are strictly WSIB compliant, protecting you and your property throughout the entire project.

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