Steve’s Five Star Service is the best choice for high-quality heating and air conditioning services in San Bernardino County, the San Gabriel Valley, and surrounding areas. We are a Carrier Factory Authorized Dealer with over 30 years of experience in heating and cooling system sales, installation, repair, and maintenance services. Thousands of satisfied residential and commercial clients trust us because we always deliver exceptional workmanship and superior customer service at very competitive prices. Our NATE-certified technicians are qualified to install, repair, maintain, and service air conditioners and heaters of all kinds, and always use the industry’s best practices. Whether you need energy-efficient Carrier air conditioning in Upland, a commercial heating and AC system in Rancho Cucamonga, or a state-of-the-art remote controlled climate management system in Chino Hills, we can provide a cost-effective solution that perfectly suits your needs and budget. Our extensive local inventory includes a full range of Carrier products, from AC units and furnaces, to air filtration systems, thermostats, and more. We also offer affordable plumbing and drain cleaning services. Contact us today for an honest estimate.