Boss Mechanical Inc. Proudly providing the highest quality HVAC solutions including custom homes, rentals, air conditioner, furnace, in-floor heating, ventilation, snow melt, gas lines, humidifier and much more! Boss Mechanical has been in business for over 15 years, servicing the GTA. All our technicians are highly professional, certified and trained with the best in the business. Contact Boss Mechanical and receive a complimentary quote for all your residential and commercial HVAC and maintenance needs.