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...