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Posted by AKS on January 15, 2007, 6:39 pm
Dan I can not gave you solution but is very inefficient
ideal is 30% off and 60% on but is only me rambling
Dido
> 25+ year old NG Furnace runs 3 mins then off 9 mins to maintain within
> +/-1F of the setpoint. I am timing it from by the meter start/stop sounds
> so the fan is on for 4-5 mins of which the 1st 2 produce no real heat.
> Seems very inefficient to me. Is this called short cycling? Is it possible
> to reduce the output BTU's so it runs longer?
>
>
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