Nexklima commercial HVAC technicians on site

Electrical service upgrades

Panel, transformer and switchgear upgrades so your building can take on new equipment without tripped breakers.

  • 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

New HVAC equipment, expanded production or a bank of EV chargers can push a building past its electrical capacity. We design and carry out panel, transformer and switchgear upgrades that handle higher loads without breaker trips or voltage drops.

What we do

3-phase panel and distribution upgrades

Capacity for what’s next.

  • Service expansions from 400A to 2000A and beyond
  • Panelboard and main breaker retrofits for 120/208V and 277/480V
  • Phase load balancing to prevent overheating

Transformer and switchgear modernization

Reliable distribution equipment.

  • Sizing and installation of dry-type step-down transformers
  • Main switchgear replacement or added sections
  • Thermal imaging and busbar torque checks

Utility coordination and permits

We deal with the utility so you don’t have to.

  • Load calculations for the local utility
  • Service drop, meter socket and underground entrance upgrades
  • Outages scheduled after hours or on weekends

When to plan an upgrade

New heavy equipmentAdding chillers, boilers or large rooftop units.
EV chargingInstalling Level 2 or DC fast chargers.
Breaker trips or hot panelsMain breakers trip often or panels run warm.
ExpansionMore floor area, tenant units or high-draw machinery.

Common questions

If you’re adding high-demand equipment and your main breakers trip often or run near capacity, an upgrade is likely needed.

Yes, briefly, for the final tie-in. We schedule it after hours or on a weekend.

Related services

You might also need

Commercial electrical

Commercial electrical

Power distribution, LED lighting and motor control wiring.

EV chargers

EV chargers

Level 2 and DC fast chargers, load management and payment systems.

Emergency electrical

Emergency electrical

24/7 response to power loss, shorts and generator failures.

Fleet of Nexklima service vans and trucks

Make sure your power can support your growth

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

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