Multi-Unit Residential HVAC Installation Toronto
HVAC design and installation for duplex, triplex, fourplex, multiplex and low-rise apartment buildings — built for builders, developers and property owners who need every unit heated, cooled and ventilated properly from day one.
Multi-unit buildings are not just bigger houses. Each suite needs its own comfort control, units must stay properly separated, and the building has to pass inspection and run efficiently for decades. Bison Air designs the right HVAC system for your building, then installs it cleanly and on schedule.
- ✓ TSSA Certified — licensed and insured for gas and mechanical work
- ✓ Registered HRSP Rebate Contractor for eligible heat pump projects
- ✓ Load calculations and system design from your architectural and mechanical drawings
- ✓ One contractor for ductwork, piping, gas lines, mechanical rooms and commissioning
🏘️ Recent Project: East York Multiplex
Multiplex New Construction: East York
📍 East York, Toronto · new construction
A new multiplex where we installed heat pump heating and cooling, fresh-air ventilation, tankless hot water and gas service for the building.
What we installed:
- ✓ Mitsubishi Hyper Heat outdoor units
- ✓ Mitsubishi ducted (concealed) indoor units with electric duct heaters
- ✓ Ductwork through fire separations between units
- ✓ VanEE HRVs for fresh-air ventilation
- ✓ Twin Rinnai tankless water heaters
- ✓ Four gas meters and gas piping for the building
🏢 Projects We Handle
- ✓ Duplex homes
- ✓ Triplex buildings
- ✓ Fourplex and multiplex developments
- ✓ Basement apartment conversions
- ✓ Multi-suite rental properties
- ✓ Low-rise apartment buildings
- ✓ Residential mixed-use buildings
See real installations — ductwork rough-ins, radiant floor heating, mechanical rooms and high-efficiency heating systems — in our New Construction HVAC Project Blog.
🔥 HVAC Systems We Install for Multi-Unit Buildings
Most multi-unit buildings need independent climate control in each unit while keeping the whole building efficient. We install:
- ✓ High-efficiency furnace systems for individual units
- ✓ Heat pump heating and cooling systems
- ✓ Central air conditioning systems
- ✓ Centralized boiler systems
- ✓ Radiant floor heating systems
- ✓ Hydronic air handler systems
- ✓ HRV & ERV ventilation systems
- ✓ VRF multi-zone HVAC systems
- ✓ Ductless mini-split systems
- ✓ Ductless multi-zone heat pumps — one outdoor unit serving several rooms in a suite
⚖️ Choosing the Right System for Your Building
The right answer depends on unit count, layout, fuel source and who pays the utility bills. Here is how the main options compare:
| System | Best For | Key Advantage | Consider |
|---|---|---|---|
| Separate furnace or heat pump per unit | Duplex to fourplex, basement apartments | Full independence; each tenant can pay their own utilities | Space for each unit’s equipment and venting |
| Central boiler + hydronic air handlers or radiant | Multiplex and low-rise apartments | One efficient heat source, quiet comfort, per-unit thermostats | Heating cost is shared unless sub-metered |
| Ductless / multi-zone heat pumps | Conversions and units without ductwork | No ducts, room-by-room control, all-electric | Outdoor unit locations; wall or ceiling heads |
| VRF system | Larger buildings and mixed-use | High efficiency, many zones from one outdoor system | Higher upfront cost; needs careful design |
Every option is paired with proper ventilation and planned around fire separation and building code requirements between units. We’ll recommend the best fit after reviewing your drawings.
🏗️ New Construction & Renovation Installation Services
We work directly with builders, developers and general contractors, from drawings to final commissioning, so the system meets code and performs once tenants move in.
- Drawing review — architectural and mechanical plans
- Load calculations & system design — correct sizing for every unit
- Rough-in — ductwork installation, refrigerant piping and gas line installation
- Equipment installation — boilers, heat pumps, furnaces and mechanical rooms
- Startup & commissioning — tested and balanced before handover
🌬️ Ventilation & Indoor Air Quality
Tight, modern multi-unit buildings need controlled fresh air to stay healthy and dry. We install:
- ✓ HRV and ERV ventilation systems
- ✓ Fresh air ventilation systems
- ✓ Bathroom and kitchen exhaust systems
⚡ Energy Efficiency That Lowers Operating Costs
When several systems run at once, efficiency directly affects your operating costs and your tenants’ bills. High-efficiency equipment delivers:
- ✓ Lower energy consumption and operating costs
- ✓ Better building energy performance
- ✓ Quiet operation and more consistent comfort for residents
Heat pumps and VRF systems are increasingly the first choice for new multi-unit residential buildings across Toronto.
🏆 Why Builders & Owners Choose Bison Air
- ✓ TSSA Certified HVAC Contractor
- ✓ Fully Licensed & Insured HVAC Technicians
- ✓ Registered HRSP Heat Pump Rebate Contractor
- ✓ Experience with multi-unit residential and new construction projects
- ✓ Professional system design and equipment selection
- ✓ Clean, organized installations
- ✓ Coordination with builders, trades and site schedules
- ✓ Authorized dealer for Bosch, Airquest by Carrier, Panasonic and Amana
💲 Financing & Rebates Available
A multi-unit HVAC system is a major investment. Bison Air offers flexible HVAC financing, and eligible high-efficiency heat pump systems may qualify for Ontario rebate programs.
💡 Learn what’s available on our Heat Pump Rebates page.
🔗 Related Construction HVAC Services
- ✓ New Construction HVAC Installation Toronto
- ✓ Custom Home HVAC Installation Toronto
- ✓ HVAC Contractor for Builders Toronto
- ✓ VRF HVAC System Installation Toronto
- ✓ Indoor Air Quality Services Toronto
- ✓ Ductwork Installation Toronto
- ✓ Commercial HVAC Services Toronto
📍 Areas We Serve
Bison Air provides multi-unit residential HVAC installation throughout Toronto and the Greater Toronto Area:
Toronto · North York · Scarborough · Etobicoke · Vaughan · Markham · Richmond Hill · Aurora · Newmarket · East Gwillimbury · King City · Stouffville · Mississauga · Brampton · Oakville · Milton · Burlington · Barrie · Innisfil · Orillia · Bradford · Keswick · Ajax · Pickering · Whitby · Oshawa · Orangeville
🏗️ Request a Multi-Unit HVAC Consultation
Developing or renovating a duplex, triplex, multiplex or apartment building? Send us your drawings and we’ll recommend the right system for your project.
or fill out our form for a free consultation · Serving Toronto & the GTA
