Stop Paying Too Much! Conco Air Conditioning is a reliable Air Conditioning company specializing in all your air conditioning needs. Always on time, always efficient, and reliable. Our works are guaranteed. We've had over 36 years worth of experience in commercial and residential needs. We service all of Toronto, and the GTA, offering emergency service and Joe O'Connell, was the official Air conditioning conduction contractor for the ministry of environment for the past 16 years. more... See more text