Thursday 4 February 2021

Furnace struggling to start and keep up.

Hi,

Having little problem with my furnace and with the temperatures going severe I thought to reach out for suggestions.

Two anomalies I'm seeing:

1) I've noticed that my furnace "randomly" will have problem with with the start. I.e in the morning after the night schedule (ecobee) I can hear it trying to start (everything ramping up) but will slow down. This happens couple times and eventually it kicks in. During that time the temperature gets to levels outside its set. Once it kicks its working.

2) Also during the day after the initial reach of the set temperature it will have struggle with keeping that temperature. I.e it should be set for 21C but thermostat shows 17 with stage 2 and fan working supposedly*. When checking the vent I could feel cold air only. After testing through ecobee stage 1-2 it all seems to be working fine, both stages working correctly when forced through thermostat.

Furnace is about 8 year old (American Standard Freedom95 Comfort-R).


Thank you in advance for reply.
Regards


source https://hvac-talk.com/vbb/showthread.php?2226335-Furnace-struggling-to-start-and-keep-up&goto=newpost

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