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$6.00$12.00
Performance Rating of Air-To-Air Heat Exchangers for Energy Recovery Ventilation Heat Equipment (SI)..
$10.00 $20.00
Sound Rating of Non-Ducted Indoor Air-Conditioning Equipment..
Assignment of Refrigerant Color Containers..
$13.00 $25.00
Specifying the Thermal Performance of Cool Storage Equipment (SI) (AHRI)..
$15.00 $30.00