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Hi-Tech Heating and Air is a professional HVAC company that specializes in providing comprehensive heating and air conditioning services to residential and commercial clients in the San Francisco Bay Area. We offer installation, repair, replacement, and maintenance services for all types of air conditioning and heating systems, as well as indoor air quality services. Our technicians are dedicated to providing fast, quality services, and we commit to showing up within 1 hour of your call. We also offer emergency services and a lifetime warranty on new air conditioning systems.