Hamstra Heating & Cooling was founded November 1, 1983 by Glenn Hamstra and his two sons, Jeff and David. In 2006, a third ge ... neration arrived into the family team with Wade Hamstra, Jeff’s son, assuming the role of Vice President and co-owner. Wade has modernized the operation and has brought an even greater focus to customer service and technical excellence. The entire Hamstra family is proud of the reputation it has grown and maintained, being able to employ over 60 Tucsonans. As part of the Tucson community, Hamstra Heating and Cooling actively volunteers and provides financial donations through a committee we call Hamstra Helping Hands. read more