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$75.00$150.00
Sound Intensity Testing Procedures for Determining Sound Power of HVAC Equipment (AHRI)..
$10.00 $20.00
Remote Mechanical-Draft Evaporative Refrigerant Condensers..
$15.00 $30.00
Performance Rating of Thermal Storage Equipment Used for Cooling (SI) (AHRI)..
$25.00 $50.00
Graphic Electrical/Electronic Symbols for Air-Conditioning and Refrigeration Equipment..