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No pressure. No hidden costs. Just expert advice and a simple estimate.

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LIMITED TIME OFFER! ENDS MARCH 31, 2025

Get 25% OFF All Replacement Windows & Doors in Ontario

Durable, Energy-Efficient Windows & Doors
Installed by Experts. Proudly Canadian!

4.7/5 HomeStars Rating
300K+ Happy Customers
45+ Years in Business
Made in Canada
Book a Free Consultation

Save Even MORE on New Windows & Doors

Right now, you can take advantage of multiple savings opportunities when you replace your [Location] windows and doors with Clera.

Here’s how our offers work together to maximize your savings:

25% Off Your Entire Project

Instantly save on your full window and door replacement.

FREE Upgrade to Our Brilliance Line

Get premium energy-efficient windows at no extra cost.

$100 Per Window/Door Rebate

Receive up to $100 for each ENERGY STAR® certified window or door replacement.

$40,000 Interest-Free Loan

Apply for a government-backed loan to finance your project with zero interest.

Book a Free Consultation

Offer ends March 31, 2025!

Save Even MORE—Get $600 in FREE Window Upgrades!

Right now, you can take advantage of multiple savings opportunities when you replace your [Location] windows and doors with Clera.

Here’s how our offers work together to maximize your savings:

Book a Free Consultation

Offer ends March 31, 2025!

25% Off Your Entire Project

Instantly save on your full window and door replacement.

FREE Upgrade to Our Brilliance Line

Get premium energy-efficient windows at no extra cost.

$100 Per Window/Door Rebate

Receive up to $100 for each ENERGY STAR® certified window or door replacement.

$40,000 Interest-Free Loan

Apply for a government-backed loan to finance your project with zero interest.

We Manufacture

100% of our windows and doors are manufactured on Canadian soil, by Canadian workers, for Canadian families.

We Install

Our expert installers—ensure a seamless, professional installation with a perfect fit every time.

We Service

With a lifetime warranty on our windows and doors, our team provides ongoing support and service whenever you need it.

From Factory to Front Door—We Do It All

Team And Family-Like Work Environment - Clera Windows + Doors

Reasons to Hire Clera for Window and Door Installation in Ontario

Need even more reasons why you should work with Clera Windows + Doors? Here are six really great ones!

Canadian Company

Celebrating over 45 years of serving Canadians.

Highly Rated

4.8-star average from thousands of happy customers.

No Middleman

Factory-direct pricing = bigger savings for you.

Lifetime Warranty

Non-prorated, fully transferrable warranty.

ENERGY STAR® Certified

Non-prorated, fully transferrable warranty.

Easy Payment Plans

Non-prorated, fully transferrable warranty.

Over 40 Sales And Installation Offices - Clera Windows + Doors

Ontario's Preferred Choice for High-Quality Windows & Doors

We’ve served Canadian for over 45 years, outfitting more than 300,000 homes with windows and doors built to last. We have over 40 sales and installation offices across Ontario ready to serve you!

Check Availability in Your Area

Get Your FREE Quote Today

This offer won’t last! Book before March 31, 2025.

Connect with a Clera Rep in 24 hours
No-obligation, free in-home consultation
Get 25% off all windows and doors 
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Ontario, Meet the Most Advanced Window We’ve Ever Made

We’ve taken 50 years of manufacturing expertise and poured it into the Brilliance Window. It’s the best window we’ve ever made, and the most upgraded on the market. ALL upgrades are FREE to a good home for a limited time.

Brilliance Line Upgrades

Frames are infused with groundbreaking technology, improving window insulation values by 25%!

Double Low E Glass

Double Low E Glass improves thermal insulation, enhancing comfort and energy efficiency

Hardware upgrades

Hardware upgrades improve ease of operation and locking functionality, allowing for Awning sizes up to 60’ x 52’

Brilliance Line Upgrades - Clera Windows
UV Toughcoat Black

UV Toughcoat Black is 7x stronger with a beautiful, gently textured finish

Dissimilar glass thicknesses

Dissimilar glass thicknesses improve soundproofing, up to 3 STC points!

Upgraded screens

Upgraded screens improve air flow, reduce water build up, and brighten views

Energy Efficiency
ENERGY STAR® certified, high-performance glass for maximum insulation.
Basic insulation, may not meet the latest energy efficiency standards.
Durability
100% Virgin uPVC vinyl frames resist warping, cracking, and fading.
Prone to warping, discolouration, and wear over time.
Security
Multi-point locking systems for enhanced home security.
Basic single or dual locks with limited security features.
Customization
Wide range of styles, colours, and grille options to match any home.
Limited design and colour options.
Warranty
Lifetime, non-prorated, fully transferable warranty.
Typically limited to 10–20 years, often prorated.
Cost Savings
Factory-direct pricing + government rebates + lower energy bills.
Higher markups from middlemen, fewer energy savings.
Installation
Installed by factory-trained subcontractors dedicated to Clera for quality and expertise.
Often installed by third-party contractors with varying skill levels.
Noise Reduction
Advanced soundproofing glass is available.
Standard glass with minimal noise reduction.
Maintenance
Virtually maintenance-free, built to last in Canadian weather.
Requires frequent maintenance and may deteriorate faster.
Advanced Features & Upgrades
Loaded with premium upgrades: smoother operation, insulated frames for better performance, enhanced screen breathability, and high-visibility screens.
Basic functionality with standard components.

Ontario Replacement Windows

New windows make your home brighter and safer while boosting its curb appeal. Whether you’re looking to make your home stand out on the block or just get more natural light into your indoor spaces, replacement windows are a worthwhile investment—especially when you choose the best products from Clera in [Location]. Get replacement windows in a style you’ll love. From fixed to sliding, awning and casement windows, bay and bow windows to specialty custom windows, Clera has a wide range of styles for every home.

Speciality Shaped Window, Gallery Image - Clera Windows + Doors

Specialty Windows

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  • Custom shapes & sizes – Designed to fit unique architectural needs.
  • Adds a distinctive look – Perfect for arched, circular, or geometric designs.
  • Enhances natural light – Expands brightness in any space.
  • Energy-efficient options – Tailored for insulation & UV protection.
  • Pairs well with standard windows – Can be combined with other styles for a striking effect.
Best Vinyl‍ Bay & Bow Windows - Clera Windows + Doors

Bay & Bow Windows

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  • Creates depth & dimension – Adds visual interest and extra space.
  • Multiple panels for panoramic views – Ideal for living rooms and sitting areas.
  • Increased natural light – Brightens up interior spaces.
  • Customizable angles & projections – Choose a traditional bay (3 panels) or elegant bow (4+ panels).
  • Extra seating or storage space – Can include a built-in bench.

Fixed or Picture Windows

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  • Expands natural light – Maximizes daylight in any room.
  • Perfect for showcasing views – Large glass area with no obstructing frames.
  • Highly energy-efficient – Sealed design prevents air leaks.
  • Low maintenance – No moving parts, so minimal upkeep required.
  • Pairs beautifully with operable windows – Complements casement, awning, or hung windows.

Casement Windows

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  • Hinged on the side & opens outward – Allows full ventilation.
  • Seals tightly when closed – Superior energy efficiency.
  • Multi-point locking system – Provides enhanced security.
  • Ideal for hard-to-reach areas – Opens easily with a crank handle.
  • Sleek, modern design – Great for contemporary and traditional homes alike.
Hung Window, Gallery Image - Clera Windows + Doors

Double & Single Hung Windows

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  • Classic, timeless design – Suits traditional and modern homes.
  • Easy vertical operation – One or both sashes slide up and down.
  • Space-saving – Ideal for bedrooms, living rooms, and dining rooms.
  • Tilt-in sashes – Makes cleaning from the inside easy.
  • Excellent ventilation – Open top, bottom, or both for airflow control.
Vinyl Awning Windows - Clera Windows + Doors

Awning Windows

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  • Top-hinged & opens outward – Allows ventilation even during rain.
  • Weather-resistant seal – Provides superior energy efficiency.
  • Great for tight spaces – Works well above sinks, counters, or in basements.
  • Improved security – Harder to force open from the outside.
  • Pairs well with other window styles – Complements larger fixed or casement windows.

End Vent Slider Windows

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  • Ideal for wide window openings – Great alternative to casement windows.
  • Dual sliding sashes – Allows for cross-ventilation.
  • Unobstructed views – Slim frames maximize glass area.
  • Smooth gliding operation – Easy to open and close.
  • Energy-efficient design – Seals tightly for better insulation.
Best Vinyl‍ Double & Single Slider Windows - Clera Windows + Doors

Double & Single Slider Windows

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  • Sashes move horizontally – Easy to open without protruding.
  • Perfect for walkways & patios – Won’t interfere with outdoor spaces.
  • Low maintenance – Fewer moving parts for long-lasting durability.
  • Easy cleaning – Sashes lift out for simple maintenance.
  • Great for airflow – Open from one or both sides for ventilation.

Ontario Entry Doors

First impressions are powerful—make a grand entrance with a new exterior door from Clera. New doors are a safe and reliable investment for homes in [Location]. They add character, keep undesirables out, and protect your family from the elements. Get the peace of mind you deserve when you install one of our many customizable offerings. We offer enduring exterior door systems made from steel or fibreglass, as well as custom sliding patio, gliding French and storm doors. All are ENERGY STAR® approved, featuring high-quality hardware and combinations of panels and glass designs.

Steel Entry Doors

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  • Sleek, modern design with exceptional durability.
  • Reinforced steel construction enhances home security.
  • Energy-efficient insulation reduces heat loss.
    Low-maintenance finish resists dents, warping, and rust.
  • Low-maintenance finish resists dents, warping, and rust.
  • Available in a variety of colours and styles to match any home.
Designing Your Fiberglass Door - Clera Windows And Doors

Fiberglass Doors

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  • The look of wood without the maintenance or environmental impact.
  • Resistant to dents, warping, and moisture damage.
  • Superior insulation for better energy efficiency.
  • Available in a wide range of textures, stains, and finishes.
  • Available in a wide range of textures, stains, and finishes.Long-lasting durability with minimal upkeep.

Sliding & Garden Doors

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  • Seamlessly connects indoor and outdoor spaces.
  • Large glass panels allow for maximum natural light.
  • Smooth-gliding operation with secure locking mechanisms.
  • Energy-efficient options help regulate indoor temperatures.
  • Customizable in various styles, finishes, and grid patterns

Storm Doors

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  • Adds an extra layer of security and weather protection.
  • Helps improve energy efficiency by reducing drafts.
  • Keeps insects out while allowing fresh air in.
  • Durable construction withstands harsh Canadian weather.
  • Available in clear, ventilated, and decorative glass options.

Frequently Asked Questions

How much do new windows cost?

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The cost of new windows varies based on size, material, and energy efficiency. Contact us for a free quote tailored to your home.

What is the average window replacement cost?

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Window replacement costs depend on the number of windows, style, and installation requirements. We offer factory-direct pricing and financing options.

Do you offer financing for window and door replacements?

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Yes! We provide flexible financing options, including low monthly payments and deferred payment plans.

Are there government rebates for windows in Ontario?

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Yes, you may qualify for rebates like the Home Renovation Savings Program, which offers up to $100 per ENERGY STAR®-certified window or door replaced.

What are the best windows for homes in Canada?

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ENERGY STAR®-certified casement, double-hung, and slider windows are among the best for insulation and durability in Canadian climates.

What is the difference between casement windows and slider windows?

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Casement windows open outward with a crank for better airflow, while slider windows glide horizontally for easy operation in tight spaces.

Do you offer custom windows?

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Yes! We manufacture custom windows in various styles, sizes, and finishes to match your home’s aesthetic.

What are the benefits of double casement windows?

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Double casement windows provide better ventilation, energy efficiency, and an unobstructed view, making them ideal for large openings.

Are your windows ENERGY STAR® certified?

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Yes, all our windows meet or exceed ENERGY STAR® standards for energy efficiency, helping lower heating and cooling costs.

What are the best residential front doors for security and insulation?

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Steel and fibreglass doors offer the best combination of strength, durability, and energy efficiency for residential front doors.

Do you offer custom doors?

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Yes! We manufacture custom doors in a variety of materials, colours, and designs to fit your style and security needs.

What is the cost of door replacement?

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Door replacement costs depend on the material, size, and customization options. Contact us for a personalized quote.

Do you install sliding and garden doors?

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Yes, our sliding and garden doors seamlessly connect indoor and outdoor spaces while maximizing natural light and energy efficiency.

What are storm doors, and do I need one?

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Storm doors provide an extra layer of security, insulation, and protection against harsh weather while allowing ventilation.

Who installs the windows and doors?

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Our in-house professional installers (never subcontractors) handle all installations to ensure the highest quality and efficiency.

How long does window installation take?

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Most installations are completed in one day, depending on the number of windows and complexity of the project.

Do you offer a warranty on windows and doors?

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Yes, our products come with a lifetime, non-prorated, fully transferable warranty for long-term peace of mind.

Where do you provide window and door installations?

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We serve homeowners across Ontario, including Toronto, Ottawa, Brampton, Markham, Mississauga, Windsor, and more.

How do I choose the best window and door company near me?

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Look for a company with factory-direct pricing, ENERGY STAR®-certified products, professional installation, and strong customer reviews—like Clera Windows + Doors!