Based in San Bernardino, Good Quality Heating And Air Conditioning is a top-notch HVAC contractor that offers maintenance and installation of central air conditioners, furnaces, mini splits and heat pumps. If you're looking to install an HVAC system, give us a call on (909) 991-6200. Before the start of any job, we’ll provide our certifications upon request so that you know we’re on the up and up. Any contractor worth their salt will do the same, so you can be sure you’re hiring top-quality workers.