Thermostat says 58, set it to 62. Everything ran but cold air out of the vents.

Have a fireplace which keeps us comfortable. Couple small heaters and water dripping.

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Posted by Teddy Ruxpin

Member since Oct 2006

39648 posts

Posted on 1/15/24 at 8:43 pm to CAT

quote:
Thermostat says 58, set it to 62. Everything ran but cold air out of the vents.

Too high, have to stay within 3 (may even be 2) or unit will go straight to aux.

Now that it's night time you might not get anywhere but when that sun comes up tomorrow try this and keep inching it up through the day.

This post was edited on 1/15/24 at 9:15 pm

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Posted by UltimaParadox

Huntsville

Member since Nov 2008

40927 posts

Posted on 1/16/24 at 8:53 am to CAT

quote:
Everything ran but cold air out of the vents.

My upstairs is a heat pump, and it was like 8 degrees out last night. Surprisingly it barely kept up keeping.

Even though the air may feel cold coming out of the vents, try using a thermometer to get actual temps. At these temps it is not a noticeable, but the temp coming out of the vent was actually warmer than the ambient temp of the house.

In extreme temps like this it may only be like 7 degrees warmer than house temp. Still cheaper than running Aux heat if it can keep up.

Edit, I misunderstood, sounds like the temp difference is too great and it should be using the electric heat (aux heat). Temps out of the register should be pretty warm.

I have heard in really southern places, they dont even bother with those since they are never used. But never seen it in practice.

This post was edited on 1/16/24 at 8:55 am

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