Bryant Plus 80 f, Model 312, Preferred Series was installed recently. It runs all the time and the house has not been warm since. Technicians have been out five times and thermostats have been exchanged. Switching from one stage to two stage tstat helpedPost created: 2013-01-21 Type of Equipment: Furnace Views: 72
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See question posted. Brand new furnace runs all the time and we can not get a warm house any longer. This after having replaced a 23 yr old Carrier. As mentioned the installer's technicians have been out several times. The pressure was increased from 1.2 to 1.5 stage 1 and from 3.2 to 3.5 stage 2. Honeywell tstats have been exchanged. But we are still cold and uncomfortable in a house where we have always been warm and comfortable.