Our Story

At SAINT JOHN Heating & Cooling Ltd., we are passionate about home comfort and air quality.  We believe that you never stop learning and continue to educate ourselves so we can best serve our customers with the newest innovations in the HVAC field.

Owner and Senior Mechanic John Hart pays homage to his home town Saint John, New Brunswick with his family run HVAC company.  Offering residents of the Greater Toronto and surrounding areas  20 years of expertise in the heating and cooling industry.

John is committed to providing his clients comfort, reliability and the best heating, cooling, hydronic and air quality systems.  Custom designed for each home for the best price.  He is creative and solution oriented.  Registered with TSSA, Ontario College of Trades and WSIB.  

John Hart is a reliable, certified and trustworthy mechanic.  His vision for SAINT JOHN Heating & Cooling Ltd. is to provide customers with superior quality, care, professionalism and value.