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heat pump -elect coils bill 01-30-2008
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Posted by bill on January 30, 2008, 8:34 pm
My daughter is complaining about high heat bills. i bet the elect
resistence elect coil is on a lot. how do i tell when the coil comes
on? and how do you turn it off? what turns it on? when temp is
below 32? if compressor is ok, why would coil come on? she had the
system checked and they said ok. wonder if they checked out operation
of coils. thanks for any insight. bill in Maryland

AppliancePartsPros.com, Inc.
Posted by Ralph Mowery on January 30, 2008, 8:44 pm

> My daughter is complaining about high heat bills. i bet the elect
> resistence elect coil is on a lot. how do i tell when the coil comes
> on? and how do you turn it off? what turns it on? when temp is
> below 32? if compressor is ok, why would coil come on? she had the
> system checked and they said ok. wonder if they checked out operation
> of coils. thanks for any insight. bill in Maryland

One big thing to watch for with a heat pump is turning it up and down. Does
she change the temperature or just sets it at one place and leaves it there.
Most of the time the heat strips will come on if you go up about 3 or 4
degrees at one time.



Posted by on January 30, 2008, 9:14 pm
>
>
> > My daughter is complaining about high heat bills. i bet the elect
> > resistence elect coil is on a lot. how do i tell when the coil comes
> > on? and how do you turn it off? what turns it on? when temp is
> > below 32? if compressor is ok, why would coil come on? she had the
> > system checked and they said ok. wonder if they checked out operation
> > of coils. thanks for any insight. bill in Maryland
>
> One big thing to watch for with a heat pump is turning it up and down. Does
> she change the temperature or just sets it at one place and leaves it there.
> Most of the time the heat strips will come on if you go up about 3 or 4
> degrees at one time.

Yes! That is a major drawback in some circumstances.
I used to have all-electric. The thermostat fortunately did have a
light to indicate when the electric backup was on. I'd turn the heat
down quite a ways when I was gone. Upon return, I'd turn it up just a
few degrees at a time, keeping the electric backup from coming on. I
eventually got around that by putting a toggle switch on the
thermostat. The backup would only come on when I wanted to let it; I
could set the heat to warm up however far I wanted without worrying
about the electric backup.

Posted by John Gilmer on January 30, 2008, 9:20 pm

> My daughter is complaining about high heat bills. i bet the elect
> resistence elect coil is on a lot. how do i tell when the coil comes
> on? and how do you turn it off? what turns it on? when temp is
> below 32? if compressor is ok, why would coil come on? she had the
> system checked and they said ok. wonder if they checked out operation
> of coils. thanks for any insight. bill in Maryland

The electric heaters come on when the room temperature (at the thermostat)
falls more than a few degrees below the set point. They also come on when
the heat pump (outside unit) goes into defrost.

In some installation, the thermostat has a lamp that comes on when the
resistance heating is being called for.

My system came with a total of 60 amps (about 15kw) of available resistance
heating. In my case, it was easly to arrange things so that only 20 amps
of resistance heating would be switched on. Obviously, when it gets VERY
cold outside, the inside temperature sags! It's a question of money vr.
comfort.

We compromise with a combination of LPG ventless heaters and small electric
heaters that give some extra heat where the people are.

The quick and dirty way to save money is to turn the thermostat down to,
say, 60 or 65 and use small electric heaters (750 watts) where you want the
extra heat like when you are watching TV. Waterbed heaters and electric
blankets also make it possible to be comfortable when the house as a whole
is on the chilly side.

I agree with the other poster who said that you should pick a thermostat
setting and leave it alone. Timers cause more problems than they solve
when you have a heat pump.



Posted by Beach Trading Company on January 31, 2008, 10:23 am
> I agree with the other poster who said that you should pick a thermostat
> setting and leave it alone. =A0 =A0Timers cause more problems than they so=
lve
> when you have a heat pump.

This is a very timely conversation for me. I just replaced my aging
heat pump with one of the top of the line Carrier units. The
literature estimated I could save as much as 60% over the 10 year old
unit. (BS of course) Last months electric bill just came in and I used
more electricity than the same period last year. Temps have not been
unusual this year. This unit came with a set back thermostat and I
drop the temps overnight about 8 degrees. As you can imagine the heat
strips kick in when it tries to bring the temps back up to daytime
levels. I was wondering if I was wasting more power than I was saving
by running the unit this way. Is there any temp setback that might
give you some savings or is it really best to leave it fixed?

Rich B
www.beachtradingco.com

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