Billy Carlson Heating & A/C, LLC prides itself on high integrity, great values and excellent customer service. Billy Carlson, owner, has made personal service his top priority since he founded his full service residential heating and air conditioning company in 2000 after working for 18 years with his father in the former family business, Carlson Fuel Oil. When Billy Carlson Heating & A/C, LLC first started in business, there was one employee and Billy worked out of his home based office. Today the company is located at 217 Berlin Avenue in Southington, Connecticut and has grown to six licensed and experienced employees offering top-notch service including 24-hour emergency service.