What is considered too high a temp at the ducts ?
Mine are showing around 130f for the temp at my ducts ?
I have the temp set at around 72f for the rooms.
Typically you want a max temperature rise from the furnace of about 60F. This works out to about 130F on the high end. If you're getting duct temperatures over 130F you may want to check with an HVAC professional to see if your furnace needs to be adjusted.
All the best,
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