Steve’s Air Conditioning, Heating, and Plumbing is full service plumbing and HVAC company serving all of San Bernardino County, including Upland, Rancho Cucamonga, Claremont, and surrounding areas. We have over 30 years of experience in providing cost-effective, high quality heating, air conditioning, and plumbing services to thousands of residents and business owners. Our factory-trained, NATE-certified technicians are qualified to install, repair, and maintain air conditioners and heaters of all major makes and models. We are a factory-authorized Carrier dealer, and offer 100% financing options with approved credit.