Best insulation companies in the Montreal region

Customers consistently praise The Attic Army for professional, high-quality attic and asbestos removal work, fair pricing, and outstanding communication from owner Hamid and his team.

Customers overwhelmingly praise RPM @ Home Team for professional, clean attic insulation work and responsive service, though a small number of reviewers report serious communication and warranty issues.

Customers consistently praise owner Jean-François for his honesty, deep insulation expertise, and thorough communication, along with competitive pricing and meticulous, clean workmanship.

Customers overwhelmingly praise NeoClimat for professional, friendly service, fast and clean heat pump and insulation installations, and helpful support with subsidy applications. A small number of reviewers report serious issues with installation quality or contractor reliability.

MAG-MTL Projets Inc. is highly regarded for effective noise-reduction window installations, with most customers reporting dramatic sound reduction and professional, courteous service. A few recurring concerns involve long-term durability of soundproof panels and post-warranty service costs.

Customers highly praise Denkaey MRM Renovation for meticulous, professional renovation work—especially bathrooms and basements—with strong communication, cleanliness, and reliability, though one reviewer reported serious issues with work quality and billing practices.

Customers consistently praise EJA for their professionalism, attention to detail, and high-quality exterior cladding work, with Emir and Jeremie frequently noted for reliability and clear communication. One review raises concerns about material quality and management practices, but the overwhelming majority describe outstanding results and strong trust in the team.

Customers highly praise Isolation Smart Seal for their punctual, professional service and excellent results, particularly noting quick, clean installations and strong communication. A few reviewers mention isolated issues with customer service attitude and language barriers.

Thermo Rad Inc. is highly regarded for fast, professional, and knowledgeable service, with particular praise for technician Jean-Philippe. A few customers have concerns about high pricing and occasional unprofessional experiences.

Customers consistently praise Expert Isolation for professional, high-quality insulation work delivered on time by courteous, knowledgeable staff, with one report of a missed appointment.

Customers overwhelmingly praise Eco Solution Canada for professional, high-quality roofing and insulation work led by Sasha and Emile, though one reviewer reported a serious reliability issue with a cancelled job and a questionable referral.

Customers consistently praise Isolation Secure for professional, high-quality insulation work that delivers noticeable comfort and energy savings, with many highlighting the courteous, thorough teams and fair pricing.

DuraClim is generally well-regarded for professional, courteous technicians and thorough cleaning work, but a notable minority of customers report serious issues including property damage, post-service leaks, messy work, billing errors, and poor follow-up when problems arise.

Nadeau Isolation is a Saint-Léonard facility valued for its professional, courteous staff and quick unloading, but it is a tight, challenging site for truckers with 53-foot trailers and has slow paperwork.

Customers praise the friendly staff and quick unloads when docks work, but many complain about poor dock layout and long wait times.