E & S Heating & Air Conditioning services and installs gas, oil, electric, heat pumps, HRVs, I.A.Q, and air conditioning. We also install oil tanks. With 26 years of service in the Nanoose to Duncan area, we have established ourselves as a trustworthy and dependable company. We are a family business, with two generations ready to serve you. We have an excellent reputation, with an A+ rating with the Better Business Bureau.