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About

Engineers of everyday comfort in Toronto

Northline is a Toronto heating and cooling company built on clear answers, fair prices and work that lasts.

The short version

Northline started in 2008 with one van and a simple promise: tell homeowners the truth about their system, then fix it properly.

Today our team of licensed technicians looks after thousands of homes across the GTA. We still answer the phone ourselves, and we still give you the price before we start.

Smiling HVAC technician in a navy uniform and cap standing outside a building
  • 18Years in business
  • 12,400+Jobs completed
  • 26Licensed technicians
  • 60 minAverage emergency response

How we run things

  • 01

    Straight answers

    We explain what's wrong in plain language and never push equipment you don't need.

  • 02

    Upfront pricing

    You approve a written price before any work begins. No surprises on the bill.

  • 03

    Work that lasts

    Installs are done to code, tested in front of you and backed by our labour warranty.

Skip the phone tag.

Book online in a few taps, or call and a dispatcher (a real one) picks up.