Best HVAC companies on the South Shore of Montreal

Customers consistently praise Climax Inc for fast, professional, and courteous installation of heating and cooling systems, with standout after-sales support and competitive pricing.

Customers rave about DMD Ventilation’s fast, professional service and fair pricing, though a few note occasional after‑sales follow‑up gaps.

Customers consistently praise Ray Refrigeration for quick, tidy installs, courteous staff and strong help with rebates, though a handful report poor follow‑up.

Most customers praise Service Servotech for quick, courteous service and lasting repairs, though a few complain about high diagnostic fees and follow‑up issues.

Customers consistently praise Ventilation Elixair for quick, professional installs, friendly knowledgeable staff and honest pricing, though a few have experienced unexpected service fees.

Customers rave about Global Services Résidentiels’ friendly staff, fast installations and thorough energy‑saving advice, though a handful report pricing concerns and occasional scheduling hiccups.

Customers praise United Rentals for fast, professional service and reliable equipment, with only a minor hiccup on missing fittings.

Customers consistently praise Thermoco for its professional, punctual installers, clear communication, and spotless clean‑up, noting especially the sales team’s honest advice and occasional cost savings.

Customers consistently praise Climatisation RG for professional, on‑time installations and friendly, knowledgeable staff, though a handful note occasional communication gaps or minor warranty issues.

Climax Inc. is highly regarded for professional, efficient HVAC installations and outstanding after-sales service, though a few customers reported missed appointments and poor follow-up.

Customers rave about fast, courteous installations and knowledgeable staff, but a minority report serious after‑sales service delays and communication gaps.

Customers consistently praise AirGreen for its punctual, professional crews, transparent quotes and solid after‑sales support, making it a top choice for heat‑pump and AC installations.

Customers overwhelmingly praise S. Air Fortier for professional, courteous installations and helpful sales advice, though a few report delayed service and warranty disputes.

Customers rave about Air 2’s professional, prompt, and courteous service, noting excellent results and fair prices, though a few report missed follow‑ups or minor damage.

Customers repeatedly praise the courteous staff, clean installations and quick service, especially for emergency repairs and subsidy assistance, while price is seen as fair.

Customers consistently praise Service Karibeson for fast, honest, and professional HVAC work, with helpful advice and fair pricing.

Customers consistently praise Les Entreprises Lavallière for quick, reliable service, friendly and expert technicians, and transparent communication throughout installations and repairs.

Customers rave about fast, professional installations and friendly staff, though a few report poor after‑sales service and warranty issues.

Customers rave about fast, courteous service, clear explanations and clean installations, though a few report missed appointments and occasional post‑sale follow‑up issues.

Customers consistently praise Qualité Aération for prompt, professional service, clean installations and fair prices, making it a trusted HVAC choice in Châteauguay.