Get your house SUMMER ready with a FREE upgrade to our Brilliance line, AND get up to 30% off your entire order
Summer Savings: 30% Off + Free Upgrades
Clera Windows + Doors proudly serves the Greater Sudbury area, including downtown Sudbury, New Sudbury, Minnow Lake, Hanmer, Chelmsford, Azilda, Capreol, and surrounding communities.
Contact your local Clera representative to book a free consultation and learn more about the city’s best door and window replacement Sudbury homeowners rely on.
Contact our local representative in Sudbury
Discover how affordable your new windows and doors can be with our latest promotions.
Living in the Greater Sudbury area means dealing with long winters, sudden temperature swings, and heating bills that can add up fast. That’s why having ENERGY STAR® certified energy-efficient windows and doors really matters here.
Clera Windows + Doors is a true one-stop shop, so there’s no handoff to third parties or surprises along the way. Our experienced team designs, manufactures, and installs everything right here in Ontario, allowing us to stand behind the quality of every window and door. From day one, you’ll get clear pricing, exceptional products, and quality service you can feel good about.
Upgrade your home with 100% pure virgin uPVC vinyl windows and doors Sudbury, Ontario homeowners trust for durability, energy efficiency, and smooth everyday performance. Designed with advanced glass systems, reinforced frames, and quality hardware, our premium products are custom built for Northern Ontario conditions.
Explore the full range of custom windows Sudbury homeowners love for energy efficiency, modern design, and durable product quality.
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Choose secure, stylish entry doors that enhance curb appeal, improve insulation, and protect your Sudbury home.
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Upgrade to energy efficient patio doors designed to maximize natural light, enhance comfort, and create an easy connection to the outdoors.
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Family owned since 1978, Clera has built Sudbury windows and doors with a commitment to locally made, high-quality products and dependable installation services. That promise is what’s earned Clera Windows + Doors the trust of homeowners across the Greater Sudbury region.
When you invest with Clera, you’re choosing a team that looks beyond the install day. We build long-term relationships by supporting your project with warranties, follow-up service, and ongoing care you can rely on.
With some of the highest ratings for customer satisfaction, it's clear why Clera is Ontario's most awarded window company!
9.2/10
on HomeStars
16x Homestars Winner
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As a full-service window and door company, Clera makes window replacement in Sudbury simple, organized, and stress-free. From your first call to product install, our local team handles every detail of your home improvement project with care, clear communication, and a strong focus on customer satisfaction.
For heritage Sudbury homes, old windows often struggle to handle long winters and temperature swings. Drafts, worn frames, and outdated glass can reduce insulation and increase energy costs. Upgrading to energy-efficient windows makes all the difference in daily comfort, reducing heat loss, and supporting better year-round energy efficiency.
Yes. Vinyl windows are popular in Sudbury because they’re durable, low-maintenance, and built for cold climates. Quality vinyl frames, like Clera’s Brilliance line, are infused with advanced technology to provide better insulation (up to 25% more than traditional vinyl), along with Ultra-Low Emissivity Foam, dual Low-E glass, and 97% argon fill. The result is improved energy efficiency, reduced drafts, and a more comfortable home through long Sudbury winters.
Window replacement in Sudbury ranges from $600 to $1,300 per window. The final cost depends on window size, style, glass options, frame materials, and installation needs. Factors like custom designs, upgraded glass, or replacing multiple Sudbury windows at once can affect pricing. That’s why we provide a detailed quote upfront, so you can plan your budget with confidence.
Sudbury homeowners may qualify for federal or provincial rebates when upgrading to ENERGY STAR® energy efficient windows and doors. Our team helps explain current programs and promotions during your consultation so you can take advantage of any potential savings.
Looking to upgrade your windows and doors, Sudbury? Clera Windows + Doors makes home renovations exciting, providing you with clear guidance, honest recommendations, and products designed to handle Northern Ontario living.
Whether you’re replacing a drafty front door, improving insulation, or refreshing your home’s curb appeal, our team takes care of the details so you don’t have to. Schedule a free consultation with your local Sudbury sales rep and join the thousands of satisfied customers we’ve helped over the years!
