R A Desmarais & Son – Concord, NH

Located in Concord, New Hampshire, R A Desmarais & Son specializes in HVAC installation, repair, and maintenance. Our HVAC services include installation, repair, and maintenance for residential and commercial systems. We handle air conditioning tune-ups, furnace repairs, and complete system replacements. Emergency service is available for urgent heating and cooling needs. We are committed to delivering value and earning your trust with every interaction. We serve Concord and the surrounding New Hampshire area. We are proud of our 4.6-star customer rating. Call (603) 224-9505 to speak with our team or schedule an appointment.