Evaporative cooling has long been recognized as the most efficient, ecological and safe method of cooling. It is the foundation and model for the modern day air conditioner. Forged in one of the harshest environments in the world, United Metal Products of Tempe, AZ, has specialized in the manufacturing of custom air handlers, air conditioning units and evaporative cooling systems for over 30 years and has become one of the leading HVAC equipment manufacturers.     Evaporation, nature's air conditioner, is the most economical method for air cooling. The correct dew point level is key for optimum performance of evaporative coolers, or swamp coolers. Taking advantage of a low dew point will save the evaporative cooler owner up to 75% in electrical costs over other HVAC equipment. United Metal Products has developed a full range of air cooling systems from 500 to over 100,000 CFM.     Air conditioners, evaporative coolers and air handlers are now customizable within a 1" increment to provide owners with a cost effective and efficient air conditioning system. All products have been designed utilizing our advanced 3D CAD technology to maximize energy efficiencies and performance.