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Laboratory Sound Testing
80% Furnaces dBA
York 33" TG 80% 60,000 61
Trane TUE1A010A9241AA 65
Lennox PLB 91454 SAH6CN9H 67
Carrier 58STA070-12 68
Goodman GHS80704BHA 70
ICP N8MPN050B12B1 70
Rheem 80PJ05EAR01 70

Tested using a handheld sound meter, from 5 feet in front of furnace, at waist height, when operating, measuring sound pressure - single stage models.

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