Nexklima commercial HVAC technicians on site

24/7 emergency HVAC service

Commercial emergency response for chillers, boilers, rooftop units and controls. Call 905-851-7411 any time.

  • TSSA licensed & insured
  • 24/7 emergency service
  • Serving the GTA since 2001
TSSA licensedFully insured technicians
24/7/365Emergency service, every day
All major brandsLennox, Carrier, Trane & more
Since 200120+ years in the GTA

A chiller failure, a boiler shutdown in freezing weather or a burnt-out rooftop unit can quickly mean downtime, building damage and lost revenue. Our 24/7 commercial emergency team diagnoses and fixes major breakdowns fast.

What we do

Cooling and chiller emergencies

For buildings that can’t lose cooling.

  • Rapid response for data centres, medical facilities, food storage and office towers
  • Troubleshooting centrifugal, screw and scroll chillers
  • Refrigerant leak location, recovery and recharge
  • Cooling tower pump, fan and control repairs

Heating and boiler emergencies

Heat back on before pipes freeze.

  • Fast heat restoration to protect plumbing and occupants
  • Gas pressure, ignition and flame safeguard lockouts
  • Steam and hydronic leak containment, pump replacement and valve bypasses

Electrical and controls recovery

Power and controls back in service.

  • Blown fuses, failed contactors and VFD bypasses
  • Compressor short and burnout isolation
  • BAS overrides to bypass software lockouts

What happens when you call

1

Call triage

You reach a commercial service manager directly — not an automated system.

2

Rapid dispatch

A stocked truck heads out with diagnostic tools and parts.

3

On-site diagnosis

We isolate the fault, make it safe and find the root cause.

4

Repair or temporary relief

We restore operation, or set up temporary heating or cooling to protect the building.

Common questions

Anything that threatens safety, health, operations or the building itself — total heat loss in extreme cold, server room cooling failure, loss of exhaust or a major refrigerant leak.

Related services

You might also need

Preventative maintenance

Scheduled inspections and tune-ups tailored to your equipment.

Comprehensive equipment care

Comprehensive equipment care

Priority response, preferred pricing and full digital records in one contract.

Equipment assessment

Equipment assessment

Condition reports, remaining-life estimates and capital plans.

Fleet of Nexklima service vans and trucks

Facing a mechanical emergency? Call now.

Our stocked trucks reach buildings across Vaughan, Toronto and York Region — day or night.

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