Confusion reigned 50 years ago befo...

Confusion reigned 50 years ago before the birth of ARI produce performance certification programs as consumer equipment specifiers, building holders architects, engineers, contractors, and manufacturers weighed competing claims and the U command was poised to sort abroad the mess with mandated regulatory schemes.

Instead, between the walls of the collective wisdom of industry leaders, the ARI "pretzel" was born. Voluntary standards were bring to maturityed and self regulation evolved into 25 certification programs covering a wide range of equipment as it was as residential air-conditioners by the ten of millions of units, commercial building chillers, heating and cooling coils, ice making machines, transport refrigeration units, reclaimed