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Heat Pump in extreme cold
Posted on 1/14/24 at 9:50 pm
Posted on 1/14/24 at 9:50 pm
We are sitting at 8 degrees at the moment and the heat isn’t working. Quit keeping up few hours ago. Outside unit is running but fan not spinning. Nothing is froze up outside. Thank goodness for the fireplace and big pile of wood.
9
Posted on 1/14/24 at 9:55 pm to CAT
Can you change the thermostat to emergency heat? It shuts down the outside unit and turns on the heat strips in the air handler.
Posted on 1/14/24 at 10:01 pm to CAT
Heat pumps ain’t supposed to work in the extreme cold, time to switch to emergency
I hate heat pumps by the way
I hate heat pumps by the way
Posted on 1/14/24 at 10:01 pm to doomsday
This unit I can’t. Unless it’s in the configuration/settings. Just options of heat, cold, and off.
When turn on it says stage 1 and 2 with fan on.
When turn on it says stage 1 and 2 with fan on.
Posted on 1/14/24 at 10:37 pm to CAT
Most H/pumps can't handle that cold. If you can't figure out how to run e-heat i.e. straight electric, then shut it off completely to keep from abusing it. Google your thermostat and try get the manual to find e-heat.
Posted on 1/14/24 at 11:02 pm to CAT
quote:
hours ago. Outside unit is running but fan not spinnin
FYI this is normal for a heat pump to do at this temperature.
And ya,.once you get this cold then it's going to switch to Aux heat if you have it. Can smell weird.
Posted on 1/15/24 at 2:30 am to CAT
Heat pumps aren't supposed to work below 32 degrees, time to turn on emergency heat.
Posted on 1/15/24 at 5:52 am to num1lsufan
Not all heat pump units have emergency heat OP and sometimes they aren’t set up on the t-stat properly.
Posted on 1/15/24 at 8:41 am to CAT
Number one reason not to have a heat pump. I had one years ago, never again.
Posted on 1/15/24 at 8:54 am to CAT
Posted on 1/15/24 at 8:56 am to num1lsufan
quote:
Heat pumps aren't supposed to work below 32
Nah, they can work down to about 5 degrees. Any colder than that and they have heating elements (just like a space heater) that the fans will blow through the vents.
Edit: I did some reading. Even at 0F a heat pump is still more efficient than a heating element (like a space heater or electric furnace). Companies are working more and more on developing heat pumps that work well at temps well below zero. There's no physics reason they can't do it. Right now it's an engineering problem.
This post was edited on 1/15/24 at 9:22 am
Posted on 1/15/24 at 11:59 am to AUstar
Maine is pushing and subsidizing heat pumps, and folks are buying them like crazy due to the high cost of heating with fuel oil. The modern systems can provide heat down to -15.
The Mainers often keep/have a backup system, whether a fuel oil or propane system, wood stove, etc., but in a survey from February to June of 2021, 7 out of 10 homes did not need to supplement the heat pump.
The heating oil and propane sellers are running ads, websites, etc. to try to convince people not to electrify, but they are losing the battle.
The Mainers often keep/have a backup system, whether a fuel oil or propane system, wood stove, etc., but in a survey from February to June of 2021, 7 out of 10 homes did not need to supplement the heat pump.
The heating oil and propane sellers are running ads, websites, etc. to try to convince people not to electrify, but they are losing the battle.
Posted on 1/15/24 at 3:21 pm to Twenty 49
quote:
The heating oil and propane sellers are running ads, websites, etc. to try to convince people not to electrify, but they are losing the battle.
Sad people are so stupid as to put all their reliance into one system. Doesn't matter how efficient heat pumps can be, they require electricity and therefore only as reliable as the grid they are connected to. My fiancée spent a small fortune switching out perfectly good gas furnace for a heat pump system that promptly failed to provide enough heat durning last year's cold snap. Had to install a secondary mini-split system (Samsung HyperTherm). It's been doing better this year but they still have the kerosene heaters out and ready and at least one side of the house still has its natural gas furnace in place.
Posted on 1/15/24 at 3:36 pm to CAT
friend had an issue with his...turned out to be debris clogging it up...
I believe you can also re-set the unit by turning off and waiting 5 or so minutes and then turn back on...
I believe you can also re-set the unit by turning off and waiting 5 or so minutes and then turn back on...
Posted on 1/15/24 at 4:27 pm to farad
Had unit off all night and then tried again today. Fan and unit did come back on and ran for an hour but little to no heat. It’s 15 degrees now.
I’ll just assume it’s too cold for this unit.
I’ll just assume it’s too cold for this unit.
Posted on 1/15/24 at 6:12 pm to CAT
Go down to the WalMarks and get yourself a couple of electric space heaters right now before all of your pipes freeze and burst.
Posted on 1/15/24 at 6:24 pm to num1lsufan
I have a dual fuel system…once the temperature drops to low 30s I switch to emergency heat which in my case is propane heat.
Posted on 1/15/24 at 7:38 pm to CAT
What is your thermostat set to relative to the temperature your thermostat is reading?
Set your thermostat to within like 3 degrees of temperature.
So if your house has fallen to 65, set it to 67 and see what happens. Don't set it to 75 or whatever.
Set your thermostat to within like 3 degrees of temperature.
So if your house has fallen to 65, set it to 67 and see what happens. Don't set it to 75 or whatever.
Posted on 1/15/24 at 8:24 pm to Teddy Ruxpin
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.
Have a fireplace which keeps us comfortable. Couple small heaters and water dripping.
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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