Window and door supplier-installer located at 17915 Leslie St #8, Newmarket, ON. Weekday showroom and office hours, with projects scheduled throughout the week.
Local Newmarket provider with a track record of tidy installations and helpful coordination during remodels. Reviewers frequently mention clear explanations, schedules kept, and careful cleanup after work is complete.
Newmarket and surrounding York Region neighbourhoods within convenient driving distance of Leslie Street.
Window replacement, door replacement, patio/sliding door replacement, full-home window and door remodels, product selection and ordering, site measurement, installation and finishing, post-install walkthrough and care guidance.
Reviews consistently mention responsive communication from the first visit through completion. Homeowners note tidy, respectful installation crews and thorough cleanup. Several reviews cite smooth coordination on full-home replacements and flexibility when plans change. Pricing is described as fair, with options explained clearly.
The Keldan Team was amazing and so accommodating! We had our windows and doors replaced and they look absolutely stunning, the installation team was officiant and very tidy. Me and my husband will 100% be coming back in the summer to get our cottage windows replaced. Would 100% recommend them.Danielle and Greg Johnson
We recently worked with Mark from Keldan Windows & Doors for a full remodel where we replaced all our windows and doors, and the experience was fantastic. Mark made the process easy and seamless, coordinating well with our contractor even as we moved and changed the location of many openings. He also helped troubleshoot and adjust for some challenging weather issues during the install. Highly recommend Mark and Keldan for anyone looking for professional, reliable, and flexible window and door installation!
This company is awesome and just great to work with. My best friend and Mother have both have used Keldan and have been extremely happy with their workmanship and how they stand behind their work. Mark did a great job installing my door to garage with his son. Threshold still drying in this pic and it looks fabulous. Will be calling them again for a new garden door once my kitchen plans are finalized. Thank you!
We are very happy with our purchase from Keldan Windows & Doors. The quality of craftsmanship from the manufacturer through to the quality of installation by your professionals was outstanding. Your installation crew was very communicative and performed their tasks in a very professional manner. At the end, everything was explained (functionality and care) and cleaned up. Special thanks to Mark who was our salesman , point of contact and one of our installers. Mark is a true representation of professionalism and represents your business at the highest standard.I would HIGHLY recommend Keldan Ltd for windows and doors for these needs. Outstanding work!
We had Keldan in to quote on a complete replacement of all our windows, sliding door and front door. The salesman was fantastic, answering our questions, walking with us through options and then within a day providing us with a quote. Their price was fare without the high price and offer of a sale. The installation team was just as good, completing the job in 2.5 days. We are very happy we chose Keldan, a local, family owned business, providing Canadian made windows and doors. Would highly recommend.
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