What’s the Best HVAC System for Montreal Weather?


🍁 Introduction

Montreal weather isn’t just cold — it’s brutal in winter and humid in summer. Your HVAC system must handle -25°C frost and 30°C heatwaves with high humidity. So, what’s the best system setup?

Here’s our expert recommendation based on local experience.


❄️ Winters: You Need Reliable Heating

Option 1: Cold-Climate Heat Pump

  • Works efficiently even in extreme cold
  • Energy efficient and government rebate-friendly
  • Can be paired with a backup electric or gas furnace

Option 2: Dual-Fuel System (Hybrid)

  • Heat pump handles mild to moderate cold
  • Gas furnace kicks in during extreme cold
  • Best balance between cost and reliability

🌡️ Summers: Humidity is the Real Enemy

  • High humidity can make your home feel hotter than it is
  • Central air conditioners or ductless AC units with dehumidification function are essential
  • Systems with variable speed compressors help maintain comfort without overcooling

🏠 For Older Montreal Homes

  • No existing ductwork? Go for ductless mini-split heat pumps
  • High efficiency, room-by-room control, low installation disruption
  • Quiet and aesthetic indoor units

🔧 Recommended System Types by Building:

Property TypeIdeal System
Downtown CondoDuctless mini-split system
Suburban HouseCentral system + Cold-climate heat pump
Multi-family buildingCentral rooftop units or VRF systems
Commercial shopPackaged units + ventilation integration

🧠 Applewood Advice:

“In Montreal, we recommend systems with defrost features, backup heat sources, and smart humidity controls — not just temperature controls.”


📩 Want a custom HVAC recommendation for your home or business?
Schedule a free site visit with Climatisation Applewood Quebec Inc.

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