[Tagging] Feature Proposal - RFC - temperature

John F. Eldredge john at jfeldredge.com
Thu Feb 12 01:37:18 UTC 2015


On February 11, 2015 6:16:39 PM CST, Warin <61sundowner at gmail.com> wrote:
> On 12/02/2015 10:25 AM, John F. Eldredge wrote:
> > On February 11, 2015 3:59:45 PM CST, Warin <61sundowner at gmail.com>
> wrote:
> >> On 12/02/2015 3:45 AM, Bryce Nesbitt wrote:
> >> Most air conditioners here have the ability to both heat and cool
> at
> >> least here and in the UK.
> > Technically, a unit that can either cool a building, or heat it by
> cooling outdoor air and transferring heat to indoor air, is a heat
> pump rather than an air conditioner.
> 
> And the common use term is 'air conditioner'.
> 
> Some cooling only units are heat pumps - they work in humid
> environments 
> where evaporative coolers fail. Places in deserts or near deserts use 
> the evaporative coolers (Alice Springs, Australia) while those in 
> tropical areas use heat pumps (Darwin, Australia)... what suits the 
> circumstance gets used.
> 
> 
> 
> 
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If you buy a unit marketed as an air conditioner, rather than as a heat pump, and expect to use it for heating as well as cooling, you are likely to be disappointed. In the USA, at least, heat pump is the standard marketing term for the units that can pump heat in either direction, and air conditioner is the standard marketing term for the units that only pump heat from indoors to outdoors.

-- 
John F. Eldredge -- john at jfeldredge.com
"Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that." -- Martin Luther King, Jr.




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