Most in the US go into backup heating around an outside temp of 0 degrees C.
Maybe some improvements have been made, although where I live at -15 it
would still be a problem sometimes.
-----Original Message-----
From: Chris Barker
Sent: Wednesday, November 28, 2012 11:57 PM
To: Olympus Camera Discussion
Subject: Re: [OM] OT: Air-source Heat Pump?
Thanks, Jan.
I live in East Anglia, UK. The heat pump that I'm considering works down
to -15ºC and I've checked the supplier's figures for my house: we should not
go into needing backup heating, although we do have a multifuel stove in the
sittingroom which we have lit most evenings in the winter.
I think that I might go for it.
Chris
On 29 Nov 2012, at 00:50, Jan Steinman <Jan@xxxxxxxxxxxxxx> wrote:
> I forget where you live. These heat pumps don't do well with low
> temperatures -- they basically go into backup mode of electrical
> resistance heating elements.
>
> But they're ideal for places with mild winters, because such places often
> have hot summers, and the heat pump is also an air conditioner.
>
> I had one for nine years in a suburb of Portland, Oregon -- an ideal
> climate for them. Worked great; no problems.
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