Ecoline Windows and Doors in Duncan, BC

We Serve Duncan & Surrounding Areas

High-end ENERGY STAR® & NAFS-11 replacement windows & doors. The best custom windows for your home’s energy efficiency, aesthetics and security.

Available Rebates and Loans in Duncan:

  • Canadian Greener Homes Grant – Ended
  • Order Now and Pay in 2025
Google Rating
Based on 1611 reviews

in Canada


Contact Us

+1 (250) 999-3557

We Serve Duncan & Surrounding Areas

Window Prices in Duncan

4 facts about Ecoline Windows Company:

Over 10 years of experience

Over 40,000 installations

At Ecoline, we are not just committed to providing top-tier windows and doors to all our clients in Duncan, BC, but we also aim to make the purchasing process as transparent and informative as possible. To this end, we offer free window and door cost estimators, as well as rebate calculator tools. These resources are designed to help you understand the cost implications and potential savings associated with investing in new windows and entry doors.

Our product range includes steel, fibreglass, garden and patio doors for entry points, ensuring maximum security and aesthetic appeal. All our products meet and even exceed Energy Star ratings, demonstrating their superior energy efficiency. This means that Ecoline’s products not only enhance the look of your home but also contribute to significant energy savings in the long run.

Our team is dedicated to keeping you well-informed at every step of your replacement project, from the initial order to delivery and installation. Our utmost priority is achieving the perfect look for your home while ensuring energy efficiency and cost-effectiveness.

Window Replacement in Duncan: Case Studies

slider Vancouver Inside
slider Nanaimo Outside

Slider Window

Two white sliding windows offer a clean, modern look. Their easy operation allows for optimal ventilation, while the white finish adds a fresh, bright touch to the home’s exterior. These windows are a perfect blend of style and functionality, enhancing the overall aesthetic and comfort of the home.
Master bedroom
60.00″ x 35.00″
Triple Glaze
$1,200 – $1,300
before PD Before
after Patio Door After

Patio Door

The patio doors replacement has transformed the home’s connection with the outdoors. The new doors offer easy operation and a seamless transition between indoor and outdoor spaces. Their design enhances the home’s aesthetic, providing a fresh, modern look while improving functionality and energy efficiency. A smart and stylish upgrade that adds value to the home.
Main Floor
6ft Wide
Triple Glass
$2,000 – $2,200

Ecoline’s Hassle-Free Warranty

We are local, transparent and strive to build long-term relationships with all our clients. Your satisfaction is our reputation. That’s why all our windows come with a direct warranty from the manufacturer on:

  • Vinyl Frame
  • Seal Failure
  • Hardware
  • Installation
  • Labour
Learn More

Come Visit Ecoline near Duncan!

We are always happy to chat with our customers face-to-face. Feel free to visit any of our showrooms across Canada to learn more about our products and services.

Scroll down to see more
The map indicates surrounding areas we serve. Contact us for detailed information.

Ecoline Windows Nanaimo

Showroom Warehouse
Mon-Fri   08:00 – 18:00
Sat   08:00 – 15:00
Sun   Closed
Get a Free Quote

by appointment only

Shop Your New Entry Doors by Material & Style

Steel Exterior Doors


All Ecoline steel doors are manufactured using galvanized steel and composite materials to ensure maximum durability. No wood or parts that degrade with water or high/low temperatures.


Choose your desired configuration, colour, hardware, glazing and literally any door component you want to match your home design and balance security, privacy and style.


Steel frame, cutting-edge hardware and heavy-duty hinges guarantee maximum security for your house.

Low maintenance

Expect no damage, deformation, or erosion caused by the elements. All metal doors by Ecoline are scratch and water-resistant. Cleaning your steel door regularly with soap and water is all the effort homeowners need to make it last longer.


Steel entry doors offer excellent performance in terms of security, durability and maintenance while being one of the most affordable doors on the market.

Fiberglass Exterior Doors


Fibreglass doors are the most energy-efficient option for your house. All our models are NAFS and Energy Star-rated to meet and exceed the energy standards needed to qualify for government rebates and ensure maximum savings on energy bills throughout the year.


Go with any configuration, interior/exterior colour schemes, hardware, and glazing to match your house design, boosting energy efficiency, privacy and front entrance look.

Aesthetically pleasing

Smooth and elegant or textured to capture the aesthetics of natural wood – homeowners are sure to find the perfect finish.


Fibreglass doors will not rot, warp or take on moisture but ensure a terrific look with little maintenance. All models come with exclusive Weathertech feature, full-length composite stiles, and composite top & bottom rails to prevent water infiltration on all sides.

Garden Exterior Doors


Find your best match by playing with different glass types and shapes. Go with clear or privacy glass, half or full or install decorative glass – all you need to match your preferences and space.


Moder, cottage, rusting or traditional – with Ecoline, you can choose any door style you want to complement your house exterior.


Glass inserts maintain the overall energy efficiency performance of the door if installed correctly. Double or triple glazing ensures maximum savings and comfort for your house.


Glass exterior doors are stylish, unique and add tremendous value to your house. New energy-efficient doors will make your home look better and increase its market value significantly.

Glass Doors


Homeowners can choose between sliding patio doors or French doors. Both models offer fantastic durability, comfort and increased market value for your house, differentiating only in the way of operation. Moreover, you can choose colour, size, type of glazing and hardware for any product.


All garden doors at Ecoline are convenient to operate, allowing for a wide entrance to improve air circulation.


Your new garden doors can come with a steel or fibreglass frame to avoid rotting, warping or scratching, allowing for a stunning look with little-to-no maintenance.


All our garden doors are not only Energy Star-rated but also NAFS-11 tested, which is quite rare in the current market. This guarantees high energy savings and outstanding thermal performance.

Hassle-Free Warranty

Learn More


At Ecoline Windows, we pride ourselves on offering a diverse range of window and door options to cater to different architectural styles and customer preferences. Our selection includes casement, slider, bay and bow, hung, hopper, fixed and picture vinyl windows. Additionally, we can offer the best patio, garden, steel & fibreglass entry doors.

All our windows and doors are made from high-quality materials with all modern security features in mind. Homeowners can be sure to get the best products to keep their homes safe.

We manufacture all our windows and doors in Ontario, ensuring high quality and maximum energy efficiency.

Absolutely, all our windows and doors are designed with energy efficiency in mind. They contribute to maintaining a comfortable temperature in your home throughout the year, keeping it warm in winter and cool in summer. Moreover, all our products meet and exceed Energy-Star ratings.

Homeowners can apply for several window and door rebate programs available in Duncan. Our team at Ecoline Windows is happy to help our clients apply for a $5600 Canadian Greener Homes Grant, $9500 CleanBC Rebates, as well as any local rebates during the consultation process.

At Ecoline Windows, we stand behind the quality of our products and services. Our warranty covers everything on labour and product, with no fine print and no excuses.

The cost of window replacement can vary significantly based on factors such as window type and size, the complexity of installation, custom colours, configurations, and more. For a detailed estimate tailored to your specific needs, we invite you to use our window cost estimator for a free quote.

Ecoline Windows Nanaimo: Our Manufacturing Process

Cutting-Edge Technology

Ecoline Windows Nanaimo employs state-of-the-art machinery such as Forel, Graco, Bottero and other techs to guarantee quality, precision, and consistency for all windows & doors manufactured.
Ecoline windows

Unmatched Energy Efficiency

Our commitment to craftsmanship and attention to detail results in manufacturing the most energy-efficient and reliable windows in Nanaimo. All our products are the best for lowering energy bills and ensuring a comfortable living environment.
Ecoline windows

Industry Experts

Our team comprises seasoned professionals with extensive experience in the window & door industry. Such lifelong expertise ensures that all our products are manufactured to the highest standards, providing homeowners with peace of mind and long-lasting performance.
Matan Corin

State-of-the-Art Facility

Our impressive manufacturing plant spans over 60,000 sq. ft, allowing Ecoline to assemble exceptional windows and doors tailored specifically for your Nanaimo home. With such a vast space and various technologies, we can maintain strict quality control and deliver products that guarantee top performance according to Energy Star, NFRC and NAFS-11 energy standards.
Ecoline windows

Ecoline Windows Installers:
Expertise, Craftsmanship and Professionalism

Residential Window Replacement Specialists

Our team focuses on residential window replacements coming with unparalleled expertise here. Our installers meticulously prepare the work area, carry extra drop cloths to cover all walkways, protect your floors and ensure a thorough cleanup after completing the installation, leaving your Nanaimo home as tidy as they found it.
Ecoline windows

Dedicated In-House Team

Here is the thing – we don’t use any subcontractors. Our skilled installers work exclusively for Ecoline Windows Nanaimo, ensuring all our clients receive the highest quality service and prompt attention. With our local in-house professionals, we can provide seamless communication and exceptional results proven by 98% positive customer reviews (BBB and HomeStars). Moreover, all Ecoline’s windows installers are covered with WCB (Workers’ Compensation Board).
Ecoline windows

Adherence to Standards

We take pride in our meticulous installation process, which follows Canadian Standards Association (CSA) guidelines and adheres to your local building codes. This means your new windows will be installed safely and securely, performing at their maximum.
Ecoline windows

Post-Installation Review

Following installation, our crew will demonstrate window operation and ensure your complete satisfaction with the job done
Ecoline windows picture