Bow Windows Replacement by Ecoline
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Manufacturing and replacement ENERGY STAR® Rated & NAFS-22 tested windows and doors
Made in Canada
All Ecoline windows and doors are built in Ontario, Canada
- Top-of-the-line machinery (Forel, Gracco, Bottero) to produce the best products
- Over 180,000 sq. ft manufacturing plant
- Energy Star-rated and NAFS-22-tested
- Manufactured for local weather conditions
Learn more about Ecoline Windows or contact us to discuss your replacement project.
RATED BY
Modern Vinyl Bow Windows
For many homeowners, bow windows installation is a great option when the goal is to open up the room, enhance curb appeal, and enjoy a broader panoramic view. It is a stylish solution for spaces that benefit from more light, more character, and a more expansive feel.
Shop Bay Windows with Ecoline
Bow windows installed across residential projects
Over 20 years of experience in awning window replacement
Available in 7 provinces across Canada
Custom bow windows for any opening size
Best Bow Windows Configurations
Bow windows are made by joining several window units to create a gentle, curved shape. The way you arrange these units changes how much glass is in the center, how the window works, and how it looks from inside and outside your home.
4 Pane Bow Window
This style usually has two fixed windows in the centre and two side windows that can open. It gives a balanced look, plenty of glass in the middle, and lets you get fresh air from the sides.
5 Pane Bow Window
A 5-pane setup usually has three centre windows and two side windows that open. This design looks wider and more open, brings in extra natural light, and still lets you enjoy fresh air from the sides.Bow Window Prices for Different Styles
Bow window cost is typically higher than standard window replacement because this configuration combines several windows into one larger, custom design. The price depends on factors such as size, window layout, glass type, frame colour, finish options, and the complexity of the installation.
Here are some estimated price ranges for common bow window styles. For a quote tailored to your home and preferences, try the price calculator on the right to get a free estimate.
| Window Model | x2 Double-pane | x3 Triple-pane |
| 4 Pane Bow | $3,410 – $3,530 | $3,620 – $3,790 |
| 5 Pane Bow | $4,540 – $4,660 | $4,815 – $4,910 |
| 6 Pane Bow | $5,570 – $5,720 | $5,885 – $5,120 |
Note: The prices listed in the table are average estimates and may change depending on your window size, style, glass choices, and installation. For the most accurate pricing, use the window cost calculator on the right. It only takes about 30 seconds, and our expert will contact you asap with a detailed quote for your specific project.
Why Install Bow Windows?
Drafts & Air Leaks
Modern compression seals prevent air infiltration
Rising Heating Bills
Energy-efficient glass reduces heat loss
Condensation on Glass
Improved insulation reduces moisture buildup
Difficult Window Operation
New hardware ensures smooth, easy opening
Outdated Look
Modern designs update your home’s appearance
Custom Bow Windows: Case Studies
Outside
Inside
Before
After
Outside
Inside
Top Bow Window Ideas
Bedroom Bow Windows
Bow windows can make your bedroom feel brighter, more spacious, and more welcoming. The larger glass area lets in plenty of natural light during the day. The curved shape also softens the room and gives it a more elegant look.
Living Room Bow Windows
Many homeowners choose bow windows for their living rooms to open up the space and enjoy wider outdoor views. These windows become a bright focal point, add depth, and often make the room feel bigger and more comfortable.
Kitchen Bow Windows
Bow windows can be a great addition to kitchens, letting in more daylight and making the space feel less closed in. They work especially well in bigger kitchens where you want to add character, enjoy a better view, and create a more open feel.Popular Bow Window Sizes
Bow window sizes can differ a lot based on your room’s layout, how much wall space you
have, and the way the windows are arranged. Since bow windows join several units into one,
their size affects both how they look and how much they cost.
Below are some common bow window sizes and their typical prices available at Ecoline:
| Bay window size | Approximate price range |
|---|---|
20×25 in | $2,410 – $2,530 |
30×45 in | $2,540 – $2,660 |
50×40 in | $2,570 – $2,720 |
50×40 in | $2,540 – $2,660 |
50×40 in | $2,570 – $2,720 |
All Replacement Window Models by Ecoline
Bay Windows Features and Options
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
Energy Efficiency Certifications & Tests
All our windows and doors meet the latest NAFS-22 standard, ensuring superior performance. This updated certification sets stricter performance requirements compared to former NAFS-11 tests, meaning our products withstand harsher conditions while maintaining structural integrity.
Enhanced energy efficiency
Superior air infiltration performance
Maximum water resistance
All our windows and doors are ENERGY STAR® certified, meeting the highest standards for energy efficiency in Canada. This means lower energy bills, a more comfortable home, and reduced environmental impact.
Minimum Energy Rating of 34
Lower heating & cooling costs
Reduced carbon footprint
Come Visit Ecoline in Your City!
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.
FAQ
How much do bow windows cost to replace?
The cost to replace a bow window depends on its size, how many window units it has, the glass type, the frame colour, installation, etc. Since bow windows are bigger and have more sections, they usually cost more than standard windows. The approximate price range is $3,400 – $5,200.
What is the difference between bay and bow windows?
A bay window typically has three window sections and a more angled shape. In contrast, a bow window has four or more connected windows that form a gentle curve and offer a wider view.
Do bow windows increase home value?
Bow windows can boost your home’s value by making it look better from the outside, letting in more sunlight, and making rooms feel bigger and more inviting. Many people see them as a high-end upgrade because of their size and style.
Can you add a bow window to a house?
You can usually add a bow window to a house, but it depends on your wall structure, space, and support needs. Since bow windows stick out from the house, it’s important to have a professional check and install them to make sure they fit well.
Are bow windows energy efficient?
Bow windows can be energy-efficient if they use modern vinyl frames, effective seals, and energy-saving glass. How well they perform also depends on the window design, the type of glass, and the quality of installation. Look for Energy Star-rated bow windows with a rating of 34 or more.
