905-307-2988

Why Choose High Efficiency?
  • Legendary Customer Service
  • Authorized Premium Dealer of Carrier
  • Trustworthy, Reputable HVAC Contractors
  • We Take Care of all the Dirty Work For You!
  • We are a 24/7 Emergency Service
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testimonialsView all

New AC Installation

I picked this company based on the reviews I saw on Homestars.ca. It turned out to be a great choice. High Efficiency Cooling...

Tai from Markham

Furnace, air conditioner, water heater

I've used High Efficiency twice now, both times I've been so pleased with their service. The sales rep Rocky is a super...

Kate from East York

AC Tune Up

My story with Rocky Wang and High efficiency cooling and heating starts with me buying a group on from another company (which I...

Vikram in Scarborough