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Old 02-14-2010, 11:11 PM   #16
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Electricty bill doubled... Heat pump?


Gotcha. So should I try turning it off altogether? I was under the impression that the HRV actually reduced the workload of the heat pump due to the fact that it recirculated the already warm air from the house through the system. Not the case?

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Old 02-14-2010, 11:17 PM   #17
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Electricty bill doubled... Heat pump?


It removes stale air from the house. This stale air, is air you paid to heat.
It brings in fresh air. From the cold outside in the winter. Air that has to be heated.

The HRV contains a heat transfer core. that transfers some of the heat from the stale air to the fresh air.
Some HRV's are only 40% efficient, others are 60% or a little more.
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Old 02-14-2010, 11:30 PM   #18
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Electricty bill doubled... Heat pump?


So should I try turning it off altogether?
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Old 02-15-2010, 04:15 AM   #19
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Electricty bill doubled... Heat pump?


No.
If you do that, then you will have no heat.

I suspect it has been a bite colder then in the previous year or 2. And that one of your strip heaters is not working right. And your aux heat is coming on. That you just may not be taking notice to.

You may want to check to make sure that all of your breakers are on.

Unless you have meters, your going ot have a hard time tracking down what is causing your high electric bill.

You may want to call in a contractor to check the heating system out.

This may not be caused by your heating system.
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Old 02-15-2010, 09:51 AM   #20
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Electricty bill doubled... Heat pump?


No I meant just turning off the HRV. Would that kill my heat altogether? As far as outside temperature, it's actually been a little warmer than the previous two years, however you're right, it's completely possible that the Aux Heat has been coming on and I just haven't noticed it at that exact time. And again, I also agree, my heating system may not be causing this. I just figured it was the best possibility as it would have been the only think running while I was away, and the consumption was still high.
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Old 02-15-2010, 07:18 PM   #21
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Electricty bill doubled... Heat pump?


When a customer with a HP has a bill that doubles over the course of a month it is related directly to the strip heat run time in about 98% of all cases I have ever seen.
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Old 02-15-2010, 08:44 PM   #22
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Electricty bill doubled... Heat pump?


You can turn your HRV off. It won't affect the heating system.
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Old 02-16-2010, 07:24 AM   #23
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Electricty bill doubled... Heat pump?


Is there anything I can do to check out the heat strips or is it time to call somebody in?
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Old 02-16-2010, 02:11 PM   #24
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Electricty bill doubled... Heat pump?


Do you have an electrical meter?
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Old 02-16-2010, 03:29 PM   #25
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Electricty bill doubled... Heat pump?


As in a multimeter?
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Old 02-16-2010, 03:40 PM   #26
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Electricty bill doubled... Heat pump?


Yes.

You will want to check if the strip heaters are broke(ohm them, power off). Or if they are coming on because of a stuck relay.
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Old 02-16-2010, 04:01 PM   #27
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Electricty bill doubled... Heat pump?


What kind of resistance reading should I be getting across each one?
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Old 02-16-2010, 04:13 PM   #28
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Electricty bill doubled... Heat pump?


Depends on what KW it is.

Generally 10 to 12 ohms.

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