What is the difference between a bay and a bow window?

A bay window has a central window with two angled side windows for a wider, more angular projection. A bow window uses four or more equal units joined in a gentle curve for a rounded look. We supply both to suit your room and facade.

Can a bay window have opening sections?

Yes. We typically use a large fixed picture window in the centre and operable casement or slider units on the sides, so you get the view plus ventilation.

Are bay and bow windows well insulated?

When built properly, absolutely. We use insulated seat and head boards and seal the whole assembly, so the projection stays warm and draft-free through Ontario winters.

Do bay windows need extra structural support?

Because they project outward and carry weight, they require proper support and, in many cases, support cabling. Our installers handle this as part of the job — it is one reason to use a team that supplies and installs.

How do I get a design and quote?

Call (647) 865-3371 or request a free in-home consultation above. We assess the opening, design the assembly, and give you an upfront price.

Projecting white vinyl bay window on a Canadian home exterior with an interior window seat

Vinyl Bay & Bow Windows — Add Space and Light

Bay and bow windows project outward from your wall to create a bright, spacious focal point — and often a cozy window seat. Each assembly is custom-designed, supplied in vinyl, and installed by our own team.

Get a Free Quote (647) 865-3371

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Premium White Vinyl, Custom-Ordered for Your Home

Every window we supply is built to your exact opening in durable, maintenance-free white vinyl — with energy-efficient Low-E glass and smooth, dependable hardware. Measured, ordered, and installed by one local family team.

Get a Free Quote (647) 865-3371

Bay vs. Bow — What is the Difference?

Both bay and bow windows project outward from your home's wall to create depth, light, and extra interior space. The difference is in the geometry.

A bay window combines a larger central window with two flanking windows set at an angle — typically producing a wider, more angular projection. A bow window uses four or more equal windows joined in a gentle curve, creating a soft, rounded arc. Both create a shelf or seat inside and become the natural focal point of a room.

What a Bay or Bow Window Adds to Your Home

These are the windows people fall in love with. Here is why:

Extra interior space — a shelf, reading nook, or window seat
Panoramic light from multiple angles throughout the day
A dramatic exterior focal point that boosts curb appeal
A sense of openness that makes rooms feel larger
Ventilation options when casement or slider sides are included

Custom-Engineered for Your Room

A bay or bow is really an assembly of windows, so design and support matter. We handle both:

Choice of fixed picture centres with operable casement or slider sides
Insulated head and seat boards to keep the projection warm
Proper structural support and cabling for the projecting weight
Double or triple-pane Low-E glass across the whole assembly
Matching grilles, colours, and interior finish options

Warm, Efficient, and Draft-Free

Because a bay or bow projects beyond the wall, insulation is critical in our climate. We install insulated seat and head boards and seal the assembly thoroughly so your new window is as comfortable as it is beautiful — no cold projecting corners.

Designed, Supplied & Installed by Us

From the first design sketch to the finished install, one local family team is responsible. We supply the windows, build and insulate the assembly on-site, provide the structural support, install, seal, and clean up — all backed by our warranty.

"We wanted a bay window to open up our living room and they built exactly what we envisioned — custom size, white vinyl to match the house, and a window seat. The craftsmanship and attention to detail were outstanding."

Maria L.

Aurora

Built to Last

Anatomy of a WindowFixers Vinyl Window

Quality you can see in the details — every window is engineered for Ontario winters and built to keep your home comfortable and quiet for decades.

Cutaway showing the multi-chamber vinyl frame and insulated glass of a WindowFixers window

Fusion-Welded Corners

The vinyl frame corners are heat-welded into a single seamless unit — no mechanical joints to loosen, leak, or draft over time.

Multi-Chamber Frame

Internal air chambers within the vinyl profile trap heat and block cold transfer, keeping rooms comfortable year-round.

Low-E Argon Glass

Double or triple-pane sealed glass with a Low-E coating and argon gas fill reflects heat back inside and cuts your energy bills.

Weather-Tight Seals

Multiple compression seals and quality weatherstripping lock out drafts, water, and outside noise for a quieter, tighter home.

Service Area Coverage

We supply and install these vinyl windows across the Greater Toronto Area north to Barrie. Find your area:

Toronto & GTA Newmarket & York Region Barrie & Simcoe County

Frequently Asked Questions

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Tell us about your window project and we will respond within 24 hours.