Angell Heating & Air is a residential HVAC installation/repair company servicing Carroll, Frederick, Howard, and Montgomery Counties in Maryland. We pride ourselves on high quality workmanship and excellent customer service. With over 25 years experience and a Masters in HVAC & Gas Fitting, Dave Angell, Owner & Lead Technician, will ensure you get responsive and personalized service designed to meet your HVAC needs. Angell Heating & Air is licensed and insured.