Commercial HVAC
Engineering, installation, retrofits and emergency repair for central plants and packaged equipment across the GTA.
- TSSA licensed & insured
- 24/7 emergency service
- Serving the GTA since 2001
From one rooftop unit to a full central plant
Our licensed team handles the whole life of your mechanical systems: design and installation, retrofits, maintenance and 24/7 emergency repair. We work in offices, industrial sites, healthcare buildings, retail centres and multi-residential properties.
Commercial HVAC services
Choose a service to see what’s included, or book a free assessment and we’ll recommend what your building needs.
Chillers & cooling towers
Service, overhauls and tuning for centrifugal, screw and scroll chillers and cooling towers.
Boilers & hydronic systems
Installation, burner tuning, loop balancing and safety inspections for heating plants.
Rooftop & make-up air units
RTU replacements, MAU burner tuning, economizers and air quality upgrades.
VRF & heat pump systems
Multi-zone VRF, cold-climate heat pumps and refrigerant leak diagnostics.
Ventilation & exhaust
Kitchen hoods, dust and fume extraction, and filtration upgrades.
Not sure what your building needs?
We’ll walk your site, check your equipment and give you a clear, prioritized plan.
Our own technicians, in our own trucks
When you call Nexklima, a uniformed member of our team arrives in a stocked Nexklima truck. We learn your building, keep your equipment history and send people who already know the site.
We can fix it — and we'll start for free
Commercial site assessment
A technician inspects your HVAC equipment and gives you a written, prioritized plan.
Rebate eligibility check
We’ll find the energy rebates and incentives your next upgrade qualifies for.
Priority emergency response
Maintenance plan clients move to the front of the line when something fails.
At least twice a year — in spring before start-up and in autumn at shutdown. Heavily loaded towers may need more.
Without it, some zones stay cold while others overheat, and pumps work harder than they need to.
An RTU conditions and recirculates indoor air. An MAU brings in outdoor air to replace what kitchen hoods, washroom fans or industrial exhaust remove.
Yes. Cold-climate units with variable-speed inverter compressors pull usable heat from outdoor air well below freezing, and backup heat can be added for the coldest days.
Exhaust fans remove air from the building. Without make-up air to replace it you get negative pressure, drafts, back-drafting of appliances and poor air quality.
Talk to a commercial HVAC specialist
- 24/7 emergency service
- TSSA licensed & insured
- Serving the GTA since 2001
Emergency? Don’t wait for a reply — call 905-851-7411.