Steve’s Five Star Service provides exceptional air conditioning, heating, and plumbing services to Upland, Rancho Cucamonga, Alta Loma, Claremont, Montclair, Ontario, Chino, and surrounding areas. For over 30 years we have been the preferred HVAC contractor for thousands of satisfied residential and commercial customers, who can attest to our high quality air conditioners and heaters, expert workmanship from NATE-certified technicians, and excellent customer service. As a Carrier Factory Authorized Dealer, we sell, install, repair, and maintain Carrier’s full line of air conditioners, furnaces, air purifiers, and commercial HVAC systems. Call today for a competitive estimate.