Alarm Systems in Thornhil, Ontario
A good alarm system will keep a protective watch over your home, ensuring that you and your family are always safe and secure. Whether it's door and window sensors, motion detectors, cameras or smart home integrations, we'll help you find the right pro with the best home security solution for you.
Best of 2021
"Nish was great to work with. Very knowledgeable and friendly. Nish was and continues to be a great help answering..."
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Best of the Best 2024
"Thanks Joe for showing up early and doing a great job. Happy to rate you ten guys!"
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Best of 2020
"I lost power in 2 rooms. Leon came over and fixed it very quickly. He is very nice. He even provided tips if the..."
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"We have been customers of Alarm Source for over 20 years and have had nothing but excellent customer service from..."
see more >"After a home reno, we needed to switch from a wired to wireless alarm system. Milton was friendly, professional, and..."
see more >"We used Custom Home Security based on a recommendation from my sister. We used Andrew for our custom home build and..."
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