Klass Mechanical Sales Ltd. is a Heating, Ventilation & Air Conditioning (HVAC) sales office, specializing in Mitsubishi Electric A/C systems, operating throughout the province of Alberta and Northwest Territories. The Calgary office serves all areas in Southern Alberta (Red Deer south), and the Edmonton office serves all customers in Northern Alberta. Our marketing philosophy is driven towards the clientele we serve. Our sales efforts are directed at mechanical consulting engineers and contractors in the HVAC industry. We also consult with architects, owners and builders in promoting effective HVAC project solutions.