At Preferred Air Systems, Inc. in Danbury, CT, we proudly provide heating, cooling and indoor air quality products and HVAC services to Fairfield and the surrounding counties since 1994, and we look forward to helping you with your Heating, Cooling and Air Conditioning needs. We are pleased to serve both Residential and Commercial customers; each of our experts are prepared to help you with the Sales, Service, Repair and Installation of the indoor comfort system that is ideal for your home or business.