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Re: Heat pump - a good idea?

 
 
Andrew Gabriel
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      10-26-2011, 02:05 PM
In article <op.v3w9qevpytk5n5@i7>,
"Lieutenant Scott" <(E-Mail Removed)> writes:
> On Tue, 25 Oct 2011 19:25:22 +0100, Andy Champ <(E-Mail Removed)> w=
> rote:
>
>> BTW from what I hear 2:1 is exceptionally bad, 4:1 is exceptionally


I assume it's going to be nearer 4:1.
Unfortunately the power consumption isn't given.

>> good. Beware of the cold end icing up - if it's damp where you are th=

> is
>> may be more of a problem.

>
> I thought they had an automatic function to run themselves in reverse fo=
> r a bit if they detected too much cold.


Yes, but when doing defrost cycles, it's probably less efficient than
your fan heater.

Defrost cycles happen (on mine) when the outside temp is above
freezing, but the reduced temperature of the outside evaporator
coil is below freezing so the condensate freezes on it. That's
probably over an outside temperature range of -1 to +6. Above
and below this range, it works fine.

What temperature do the birds require? I note this unit has a
min thermostat setting of 18C and I wondered if that's too high?
(Mine has a min of 16C - most of them seem to have quite a
restricted temperature range compared with basic electric heaters.)

It will generate quite an air flow in the garage (more than a
fan heater). Will the draft matter for the birds?

What if there's a power cut? You can get some which will remember
what setting they were on and continue, but most will just power
back up in standby mode. Will that matter for you? You could keep
an electric heater setback a couple of degrees so that if it fails
for this or any other reason, there's a backup.

I was looking to see if it's an inverter type which has proportional
control. It doesn't say so, so I guess it will cycle on and off.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]
 
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