Best insulation companies in Québec City

Customers consistently praise Isolation GE for their professional, efficient, and clean insulation work, with particular commendation for staff members Nolann, Francis, Nathan, and owner Alexis who demonstrate exceptional skill and customer service.

Customers consistently praise this insulation company for professional, thorough attic and basement work, friendly staff, and meticulous cleanup, with no notable complaints across all reviews.

Customers overwhelmingly praise the professionalism, courtesy, and quality of insulation work, with many highlighting clear communication and clean execution. A small number of reviewers report serious issues including water infiltration after work, missed appointments, and poor follow-up on complaints.

Customers overwhelmingly praise Solution Isolation's professional, courteous crews and quality attic insulation work, though a few reviewers report serious issues with heat loss, missed appointments, and incomplete sealing.

Customers generally praise Isolation Ecologik for professional, fast, and clean insulation work at competitive prices, but a notable minority report serious communication failures, missed appointments, and billing errors.

Customers generally praise Isolation Air-Plus for professional, high-quality insulation work and courteous installers, but a notable minority report poor communication, unreturned calls, and one incident of dangerous driving by company drivers.

Customers consistently praise Isolation Frontenac for professional, high-quality attic insulation work, noting courteous staff, clean job sites, and helpful guidance on subsidy applications.

Groupe RENOX receives strong praise for professional, fast installations and attentive customer service, but a notable minority of customers report serious after-sales issues, long repair delays, and unfulfilled subsidy promises.

Customers consistently praise Superior Insulation for their professional, courteous team, clean and efficient workmanship, and personalized guidance on insulation solutions, with no notable complaints.

Customers overwhelmingly praise Couverture DC for professional, high-quality roofing and insulation work, with particular emphasis on owner David's responsiveness and the team's attention to detail. One review reports a very poor experience, but the vast majority describe reliable, clean, and competitively priced service.

Customers consistently praise Isolation Action for fast, professional insulation and polyurea work, highlighting excellent communication, meticulous attention to detail, and noticeable improvements in home comfort and energy efficiency.

Customers overwhelmingly praise Isolation Idéale for honest, professional, and fast attic insulation services at fair prices, though a few note slow quotes and occasional site conduct issues.