At Concord Heating and Air , we are committed to bringing our customers the best in heating and air conditioning services. Whether you need a new air conditioning and heating unit or need a repair done on your existing unit, we are the people to get it done in Concord, Ca.At Concord Heating and Air , we are committed to bringing our customers the best in heating and air conditioning services. Whether you need a new air conditioning and heating unit or need a repair done on your existing unit, we are the people to get it done in Concord, Ca.