HVAC and 2 stage furnace question
I had a new furnace installed about 2 years ago – moved from an 80% to a 95% 2 stage Trane. When the HVAC tech programmed the board of the furnace from when to kick from Stage 1 to Stage 2 – we had crap insulation in the house – this summer I tore it all out, air sealed, and installed new mineral wool R15 in the bays and R30 perpendicular. My house is A LOT more comfortable.
My question is with the furnace – it always kicked into stage 2 even when just up keeping temperature. This is because the time it took to get to the set temp on the thermostat. Now with the home being so much more insulated, it kicks into stage 2 for maybe 1min and then shuts down – seems like a waste of effort. Should I expect the furnace to maintain internal temperature in just Stage 1? If so I will ask the HVAC tech to re-program the board to run in Stage 1 for a little longer.
Any advice is helpful – thanks in advance