Ottawa Windows & Doors: Windows Installation Company | BestCan

613-226-7611

Ottawa’s Trusted Windows & Doors Installation Company Since 1970

Ottawa’s oldest family-owned window and door company, proudly Canadian and serving Ottawa and surrounding communities for over 55 years with durable, energy-efficient solutions built to last.

  • Buy Now – Don’t Pay Until July 2027!
  • Family owned and operated for 55+ years
  • Fully licensed and insured
  • Seniors and Military Personnel Discount
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Family-Owned & Operated Since 1970

BestCan Windows & Doors has been Ottawa’s trusted window and door installer for over 55 years. Family-owned, locally operated, and backed by a full lifetime warranty, we’re here to make your home more comfortable and energy-efficient at a price that works for you. Call us at 613 702 (3361).

Now Offering Full Lifetime Warranties On All Window & Siding Products And Labour.

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613-702-3361

Why Ottawa Homeowners Choose Us

Here are just a few of the many reasons your neighbours choose BestCan Windows & Doors for all their windows and door replacements in Ottawa.

Family-owned and operated since 1970

A+ rating with
the Better Business Bureau

Installation crews that have worked for BestCan for 20+ years

State of the art products including energy saving windows & doors with lifetime warranties

Over 55,000 satisfied Ottawa homeowners served

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BBB Accredited Business
ENERGY STAR certified Company
S.A.W.D.A.C Approved
Financing by Fairstone Bank

This Month’s Promotions

Extra Discount For Seniors and Military Personnel

Home Window Installation Ottawa

For a free estimate, please call ((613) 702-3361 or Request a Free Quote

Our Windows and Doors Services

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Windows

Black front door and windows on Ottawa brick home exterior
Doors
new siding ottawa
Siding

Special offer for 2026

15 Months of No Interest and No Payments for Doors and Windows in Ottawa

For our valued customers, we offer a range of flexible financing options tailored to their needs.

Take Advantage Today

Ottawa’s Most Trusted Window & Door Company

BestCan Windows & Doors has been serving Ottawa homeowners for over 55 years — and we’ve earned every one of those years the hard way, one satisfied customer at a time. As a Canadian family-owned business, we’re not a franchise or a call centre. When you call us, you speak directly with people who have been installing windows and doors in this city for decades.

Our installation crews average over 20 years with BestCan — meaning the team that shows up at your door knows Ottawa homes inside and out. We’ve completed projects across Nepean, Kanata, Barrhaven, Orleans, and the entire surrounding region, building a reputation backed by our industry-leading lifetime warranty on all products and labour.

Our Work

Save Money Every Month with Energy-Efficient Windows & Doors

Ottawa winters are unforgiving, and old, drafty windows are one of the biggest sources of heat loss in a Canadian home. Replacing your windows with ENERGY STAR-rated products doesn’t just make your home more comfortable; it can meaningfully reduce your monthly heating and cooling costs year-round.

At BestCan, we help you choose the right window and door solution for your home’s specific needs and budget, and we install everything to the highest standard so you get the full benefit of your investment. Ready to find out how much you could save? Request a free, no-obligation quote today.

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Let other homeowners know how the BestCan experience helped transform your home!
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Serving Ottawa and the Surrounding Region

We specialize in transforming homes with new window and door installations, top-notch vinyl siding, and expertly crafted eavestroughs and soffits. Our services cover the Greater Ottawa region, including Barrhaven, Stittsville, Kanata, Manotick, Nepean, Vanier, Orleans, and many other surrounding areas.

If you’re a homeowner with questions about our high-quality products or installation services, don’t hesitate to call BestCan Windows & Doors directly at ((613) 902-1530. We’re here to enhance your home with our exceptional offerings.

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Our Window Replacement Process

Replacing windows is a precise job, and choosing licensed, experienced installers makes all the difference. Here’s exactly how our team handles every installation:

  1. We measure your existing windows precisely to ensure the replacements fit perfectly
  2. We carefully remove the old frames without causing damage to your home
  3. We prepare the opening by cleaning it and repairing any damage found
  4. We position and secure your new energy-efficient windows
  5. We apply insulation and weatherstripping to maximise ENERGY STAR performance
  6. We complete all finishing touches and walk you through your coverage before we leave
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BestCan Windows & Doors Client Testimonial

Black sliding patio doors on Ottawa brick home exterior

Caring for Your Windows & Doors

A little regular care goes a long way toward keeping your windows performing at their best for decades to come.

  • Clean regularly: Use a soft microfibre cloth with mild soap or glass cleaner monthly to keep frames and glass clear
  • Inspect occasionally: Check frames each season for chips, cracks, or warping. Catching small issues early prevents bigger problems later
  • Repair quickly: If you spot damage to a pane or frame, call us promptly; delays can lead to full replacement sooner than necessary
  • Re-seal when needed: Worn weatherstripping and caulking cause drafts; resealing keeps energy bills low and your home comfortable
  • Schedule annual maintenance: A professional inspection once a year helps your windows last up to 25 years

Frequently Asked Questions

How long does a window replacement take?
Most window replacements are completed in a single day. A typical Ottawa home with 8–12 windows is usually finished within 6–8 hours. We work efficiently and clean up fully before we leave.
What's the best time of year to replace windows in Ottawa?
Windows can be replaced year-round, including winter. Modern installation techniques and weatherproofing materials mean cold weather doesn’t affect the quality of the installation. Many homeowners find it easier to book in fall or winter when demand is lower.
Do new windows really lower my energy bills?
Yes — significantly. Upgrading to modern ENERGY STAR-rated triple-pane windows can reduce heat loss by up to 50%. Most Ottawa homeowners notice a difference in their heating bills within the first winter.
Does BestCan offer financing?
Yes. We offer 15 months of no interest and no payments through Fairstone Bank. Get pre-approved quickly and start your project right away. Learn more about financing.
What warranty do you offer?
We provide a full lifetime warranty on all window and siding products and labour — covering both the product and the installation at no cost to you.
Do you serve my area?
We serve the entire Greater Ottawa region, including Barrhaven, Kanata, Nepean, Orleans, Stittsville, Manotick, Carleton Place, Kemptville, Rockland, and surrounding communities. See all areas we serve.

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