Best HVAC companies in Greater Montreal

Most customers praise Servotech for fast, courteous technicians and clear communication, but a notable minority report missed appointments, high parts markup, and poor follow‑up.

Customers rave about Confortech’s knowledgeable staff, clean installations and responsive service, with only occasional scheduling hiccups.

Customers overwhelmingly praise Climatisation BS for its professional, on‑time staff and clear communication, though a few report billing or warranty frustrations.

Customers rave about Pro climatisation 2000’s lightning‑fast, courteous service and solid expertise, with only a few isolated complaints.

Customers consistently praise Climatisation GSM for courteous, knowledgeable staff, quick service and clean, affordable installations.

Customers consistently praise Climatik for fast, courteous service and solid HVAC installations, though occasional scheduling hiccups and communication gaps are noted.

Customers consistently praise Climatisation Polaire for fast, clean installations and knowledgeable, courteous staff, with very few complaints.

Customers consistently praise GeoServices for professional, on‑time installations, clear explanations and courteous staff, though a few note occasional post‑install noise or minor follow‑up delays.

Customers rave about Thermo‑Stat’s friendly staff, clean installations and thorough follow‑up, though a few cite pricey service fees and occasional communication hiccups.

Customers consistently praise Klimfax for friendly, knowledgeable staff and clean, reliable installations, though a few report communication delays and warranty hassles.

Customers consistently praise Allard & Emond for fast, courteous service and knowledgeable technicians, though a handful report occasional pricing or communication issues.

Customers consistently praise S & S Conversions for expert, courteous technicians, punctual service and spotless installations, though a few have experienced scheduling hiccups or occasional billing disputes.

Customers consistently praise Thermo Climatisation ML for speedy, reliable installations, knowledgeable staff, and transparent communication about products and subsidies.

Customers consistently praise Service Rive Sud for speedy, professional work and transparent communication, though a few report missed appointments and limited post‑sale follow‑up.

Customers consistently praise Novalto for its expert, friendly installers, transparent pricing and reliable after‑sales service.

Customers consistently rate Air Péloquin for its friendly, professional staff, clean installations and honest after‑sales support, making it a top choice for HVAC upgrades in Longueuil.

Customers rave about MST’s fast, courteous service and clean, professional installations, though a few cite scheduling hiccups and occasional communication gaps.