Superior Heating and Air Conditioning has been servicing Northumberland Region for over 35 years. Centrally located,in Cobourg, we offer a wide range of plumbing, heating and air conditioning services in the residential, institutional, commercial sectors.Superior Cobourg sign. We take pride in the fact that 95% of our work is by referral - the best kind of compliment a contractor can receive and a testament to the quality and satisfaction of our customers. more... See more text