What our customers say about us

At Isothermic, we go above and beyond every day to help you complete projects as unique as you are, with complete confidence.

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(French only)

Excellent staff at every level. We’ve been Isothermic customers for over 30 years. We’re always satisfied with the quality of their products. Thank you! -Chantal T., Chaudière-Appalaches
Isothermic redid all the windows in our house. We appreciated Mr. Gauthier’s great advice. They kept our job open so we could do the work in stages over more than a year. The installers do a great job, and they’re always on time, efficient, and friendly. Errol and Francis were the last installation team to come out to the house. It was a fairly complicated installation, and they did a great job—and even gave me some tips on other work I was doing. -Pascale Roy-L., Quebec City
Daniel and his team did an outstanding job. They had the best price out of three quotes, and it had no impact on quality—a job well done. Very satisfied and I expect to hire them again for future door replacements. -Sylvain R., Sherbrooke
Great front door installation. The workers were great and took away all the scrap. Great work. Totally worth the price! -Nathalie D., Ste-Julie
Great service, thorough and professional installer! -Guy S., Victoriaville