Alco is part of the international Emerson Group, one of the 500 largest companies in the world (Emerson operates in more than 150 countries with more than 132,000 employees). Alco produces in the Czech Republic - Kolín. The head office is in Vienna, Austria. Alco is a manufacturer of expansion valves, fans, heat exchangers. We offer an anti-freeze thermostat, one of the most important measurement and regulation components to prevent costly damage to your equipment. The Anti-freeze thermostat Alco is suitable for use in air conditioning units of hotels, houses, office buildings - in all places where the air conditioning duct is routed.