Carlson Heating and Air Conditioning is a family owned and operated, full service company that began in 1979 as a one man operation. Over the years it has grown and evolved into what it is today, a full service company providing design and installation of propane heating and central air conditioning systems. Using the most durable, cost effective, and efficient products available, we can design a system that will meet your needs no matter how large or small. Carlson Propane offers complete propane services including supplying propane tanks, inside and outside gas piping and connection to your propane appliances as well as propane delivery.