Heat Pump Not Reaching Heat Setting
 

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I have a fairly new (less than 6 mos.) Lennox CBX32MV Signatue Elite 4-
ton heat pump. For the last 2 days, the temp around DC has dropped
below 30 degrees F. My heat setting is at 70 degrees but the
thermostat never shows the actual room temp go higher than 65.5
degrees. The thermostat says "auxiliary heat on" but I don't feel any
toasty warm electric heat air coming out of the registers - just the
usual heat pump ambient air. Is there something wrong with my heat
pump, or is 70 degrees just impossible to attain if the outside air is
below 30 degrees? Anything I can tweak without calling for repairs or
voiding the warranty? Thanks for any insight.

Unless way below 30 deg you should be able to get to 70 deg in the house. I
set my thermostat to 70 and it almost never gets off that (never more than 1
deg either way). At 20 deg it is still 70 in the house. Not sure if my
electric heat strips comes on or not when it is that cold outside.

Your uint is less than 6 months old. That means you probably have not even
used the heat. Call the man.