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Excel Windows

Bay & Bow Windows

These push out from the wall to give you more light, a wider view, and a little shelf or seat. They make a room feel bigger.

Bay/bow window projecting from a Chicagoland south-suburb brick home — an Excel install
Family-owned since 1982 44 years in Chicagoland EPA Lead-Safe Certified Energy Star Partner A+ BBB Accredited since 1993

A bay window is three windows angled out from the wall — usually a big fixed pane in the middle with two openers on the sides. A bow window is four or more panes set in a gentle curve. Either way, you get more light, a wider view, and a little ledge inside for plants or a window seat.

These are real carpentry jobs, not a drop-in swap. We build the seat board, insulate it, and flash it so it holds up to our weather. We've been doing this in south-suburb homes since 1982.

BRANDS WE INSTALL

  • Soft-Lite
  • ProVia
  • Sierra Pacific
  • Pella

Bay & Bow Windows — common questions

What's the difference between a bay and a bow?

A bay is three windows angled out, usually with one big middle pane. A bow is four or more panes in a gentle curve. Bay gives you sharper angles and more shelf depth; bow gives you a softer, rounded look.

Do they need extra support?

They can. Because the unit hangs out from the wall, we build the seat board and add support so it carries the weight right. We sort that out at the measure.

Can I get a window seat?

Yes. The ledge a bay or bow creates is wide enough for a seat or a row of plants. We finish the seat board as part of the job.

Will it leak or feel cold up against the glass?

Not when it's built right. We insulate the seat and head, flash the exterior, and seal it tight. Done correctly, a bay holds up fine through a Chicago winter.

How long does the install take?

Most bay and bow jobs are one day, sometimes a bit more for the seat board and trim work. We give you a real timeline up front.

What's the warranty?

You get the manufacturer's product warranty plus Excel's labor warranty. The specifics are written into your contract — read them, and ask us anything.

Will the same crew be on my job?

Yes. We send the same crews job after job — low turnover, same faces from start to finish.

Ready When You Are

Let's talk about your bay & bow windows.

A free, no-pressure in-home consultation. We bring the product samples, measure what we need to measure, and leave you with a clear written proposal — not a sales pitch.

Schedule your free in-home consultation

Step 1 of 3 — What can we help with?

Call (708) 636-9898