About Us - Cannell Air Conditioning & Heating, El Campo, TX 77437 - Carrier About Us Our Qualifications We are fully insured heating and cooling professionals! We maintain a high... & Heating, founded in 1966, is a family owned, full service heating and air conditioning company. Cannell Air Conditioning and Heating has been with the Carrier label for more than 45... employees are highly trained, educated and well skilled in all makes and models of heating, ventilation and air conditioning systems. We provide respectful, dependable, honest...