Get up to 30% off your entire order, AND a free upgrade to our Brilliance line
Get up to 30% off your entire order, AND a free upgrade to our Brilliance line
Clera Windows + Doors proudly serves Guelph and the surrounding Wellington County, including Aberfoyle, Mapleton, Mount Forest, Elora, Fergus, Drayton, Erin, Minto, and beyond. Our team provides professional window and door installation services that homeowners trust.
Contact your local Clera representative for a free consultation on energy-efficient windows and doors, Guelph.
Our local representative has been serving Guelph and surrounding areas for over 20 years!
Discover how affordable your new windows and doors can be with our latest promotions.
Guelph has some of the most beautiful homes in Ontario, from classic brick properties near the university to modern suburbs surrounding the city. Whether you own an older home or a new build, Guelph residents aren’t strangers to the extreme’s of Ontario’s seasonal shifts. Drafty old windows let climate-controlled air escape, forcing your heating and cooling systems to work overtime and inflating your energy costs.
Investing in energy-efficient replacement windows and doors is the smartest long-term solution for upgrading your home’s thermal barrier. At Clera Windows + Doors, we design and manufacture all products right here in Ontario, providing premium quality at an affordable factory-direct price.
With a team of reliable local reps, flexible financing options, and a non-prorated, fully transferable lifetime warranty, we make replacing windows/doors easier than ever.
Browse our complete collection of patio doors, entry doors, and windows Guelph homeowners trust for their ENERGY STAR® certified performance. Custom builds and professional service from initial consultation to final installation.
100% pure virgin UPVC new and replacement windows. Styles for every home, including casement windows, bay and bow, slider, awning, and more.
Shop New Windows
Exceptionally secure and visually stunning steel and fibreglass entry doors. Heavy-duty, designed to resist warping and rotting while transforming your home’s curb appeal.
Shop Exterior Doors
Connect indoor and outdoor living areas with high-quality patio doors. Smooth sliding glass doors and classic garden doors designed with industry-leading insulation and weatherstripping.
Shop Patio Doors
Clera is the preferred company for windows and doors in Guelph because of our award-winning products and service, Canadian roots, and family-owned business values.
We understand window and door replacement can be stressful, which is why we completely eliminated the middleman in our process. By managing everything from initial design and manufacturing to final site cleanup, we ensure absolute quality control and pass the savings directly to you.
Our Guelph team is fully licensed, insured, and ready to guide you through every detail of your replacement project. You get a single point of contact, a clear installation walkthrough, and an industry-leading warranty that backs every job we complete. No pressure, no hidden costs, and no subcontractors.
See why Clera Windows + Doors Guelph, Ontario, might be the right choice for your home’s new windows/doors. Terry Blondin is committed to helping Guelph homeowners through the process with an extra level of care that you can’t find anywhere else.
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
.svg)
Clera’s quick and efficient door and window replacement in Guelph is a worry-free experience from start to finish. Take the first step and request your free consultation today!
If you feel cold drafts, notice condensation trapped between the glass panes, or find that your windows are difficult to open and close, these are signs they are failing. Replacing aging units with new windows eliminates air leaks, restores smooth operation, and helps permanently lower your monthly heating and cooling bills.
Yes! Our expert installation teams are trained to work year-round. Getting your window/doors installed on the off season may also be more cost and time efficient. We replace units one by one to minimize heat loss and ensure your home stays warm, and installation typically takes just one day.
The cost of replacement windows in Guelph depends on how many windows are being installed, the style, whether you get triple paned windows or double paned, and other custom add-ons. At Clera, the total price per unit or a standard vinyl window can range from $700 to $3,000.
We offer factory-direct pricing, so you avoid the markup that comes with third-party suppliers. Contact us for a free, no-obligation quote tailored to your Guelph home.
A home renovation should improve your daily comfort, not cause unnecessary headaches. Clera Windows + Doors pairs over 45 years of trusted manufacturing experience with dedicated local care across windows and doors Guelph, Ontario.
Whether you want to replace windows to brighten up a dark kitchen or require professional door replacement services to secure your main entrance, our team brings top-tier craftsmanship to every single frame. Trust the local experts who build, install, and stand behind their products for life, ensuring your home is fully prepared for future projects.
