Only tight ducts ensure air quality and save money! High-quality air handling units, for example, Smarty 3XP, are effective and economical. These advantages are guaranteed by flawless product air tightness, corresponding to the highest class A1. Usually leakages of best ventilation units do not exceed 1.5 percent. In ventilation system, ducts whole losses can be 10 or more times higher than in ventilation units of the lowest tightness class. More on: http://www.salda.lt/saldus/kcfinder/upload/fi ...
