Established in 1990. Home Heating & Air Conditioning, LLC is a small HVAC company in West Haven, CT, specializing in residential furnace and air conditioner replacement, as well as installation in new construction. We pride ourselves on fabricating all sheet metal ductwork in-house, and custom-design every job. We strive to uphold the highest installation standards and to provide that personal touch, treating each home as if it were our own..