Isothermic portes et fenêtres
Isothermic portes et fenêtres has a location in Drummondville and offers windows, doors and façade systems. It has designed and manufactured doors and windows for over 40 years, with a project range that includes residential, multi-residential, commercial and industrial work.
Business Highlights
- Isothermic describes itself as a Quebec family business.
- It lists Passive House certifications from PHI and PHIUS for fenestration, doors and façade products.
- The company says its doors and windows are covered by a lifetime warranty.
- It says its certified installers have completed training related to the national A-440 standard.
Service Area
Drummondville.
Taking calls through ProsGrade. Isothermic portes et fenêtres is one of 10 window installers ProsGrade lists in Drummondville, Quebec.
8 services listed, including PVC and hybrid windows, Aluminium windows and Wood windows. Open weekdays, closed on weekends. Rated 4.6 from 51 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Isothermic portes et fenêtres compares with the other 9 window installers on ProsGrade in Drummondville, using public Google ratings and review counts.
- Ranks in the top half of the 10 Drummondville window installers on ProsGrade by Google rating and review volume.
- Has more Google reviews (51) than 5 of the 9 other Drummondville window installers on ProsGrade.
Services Covered
8 services- PVC and hybrid windows
- Aluminium windows
- Wood windows
- Entry doorssteel, aluminium and wood
- Patio doorsPVC, hybrid, aluminium and wood
- Balcony doorshybrid and aluminium
- Folding and garage doors
- Façade systemscurtain walls, window walls, unitized curtain walls, PACE Wall prefabricated envelope; SlimWall 35, ConceptWall 50 and ConceptWall 60
Reviews
What customers say
Several customers praised the sales and installation experience, citing professional or courteous sales staff and well-regarded installation work. One customer reported that a replaced front door became impossible to open in the first winter, attributing it to poor installation; they also described no follow-up, long repair waits and calls not returned as promised.
Customer Reviews
Danser The Danser
Thank you for your excellent service. Your salesperson's professionalism made all the difference compared to the competition. The installers also did a great job.
Martine Gamache
The sales representative was courteous, the window we purchased is a high-quality product, and the installation service was impeccable.
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Frequently Asked Questions
How can a homeowner prepare for an Isothermic consultation?
A photo of the existing windows helps the adviser understand their current configuration.
Can Isothermic install windows in winter?
Yes. It offers winter installation, replacing one window at a time and moving plastic barriers as work progresses.
How does Isothermic take final measurements?
When customers choose its installation service, a professional visits the home to take final measurements. The estimate is adjusted to the official measurements.
Does Isothermic offer financing?
Yes. It offers financing through FinanceIt, with flexible monthly payments over terms of up to 240 months.
Are Isothermic consultations free?
Yes. Consultations are free, either online or in person at its stores.








