Thermostat is all the way up but apartment is still freezing. Help?

It's all fixed now thank you everyone! The temperatures for the next week are a lot higher thankfully so we'll be a lot warmer!

It feels like 7 degrees here and the past few days it's gone down to feeling like -16. I've had the thermostat as high as it'll go but it's freezing in here. The night it was -16 we were all warmer than we are now and it's 23 degrees warmer than it was. I can't do anything to the insulation but could something be wrong with the heaters?

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GerOttman · 61-69, M

where you set the thermostat is called the 'setpoint'. if your heater is not making setpoint at 68F (sorry I don't Celsius much) it won't make setpoint at 72F. so turning it up won't help. check the air filter on your heating unit, if clogged that will restrict the airflow and reduce the heat output. plastic on the windows can help if they are not modern windows. it would help to know what kind of heating system you are using. hot water systems may have air in them which needs to be bled out. forced air heating requires not just a supply but return air also. are all your vents clear and clean?

SW-User

@GerOttman Not too long ago, my house was cold and I thought something was wrong with the furnace. It was the filter and none of the sites with information even listed that as a possible cause. It's good you added that.

SlytherinFreak · 26-30, F

@GerOttman they were all clear. I don't really know what kind of heating system it is. I think it's forced. The temperatures I gave were in Fahrenheit so no worries. Someone told me that I might've turned the heat up too high. They said the heater probably stopped working because it was trying and failing to get to that temperature so I turned it down and then it started heating up. Luckily the temp is in the 40's today

GerOttman · 61-69, M

@SlytherinFreak are you getting heat but no flow or flow but no heat?