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.