Efren’s Heating and Cooling is a privately owned company that provides the people of Oshawa with first class HVAC services at some of the most competitive rates available. We take great pride in the quality of our work and see every job as an opportunity to deliver satisfaction to our customers. We offer a full line of heating and cooling services to our residential and commercial customers and deal with each one in an honest, straightforward manner. Our team is composed of some of the top HVAC technicians in the GTA; each one chosen by us for the high quality of their work, their dependability and their professional attitude.