Re: Cost of running aircon

["Richard Challis" <richard@xxxxxxx>]

Sorry t  add t  this email message, but before someone gets pedantic

I mean the manufactures normal selling price!

Regards

Rich

----- Original Message -----
From: "Richard Challis" <richard@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, July 05, 2001 9:18 PM
Subject: [ukha_d] Cost of running aircon


> Adding my thrupence t  the debait.
>
> When I spent a couple of years working on Building Management systems,
we
> used the very rough rule of thumb that the cost of buying the Aircon
unit
> was the cost of running the unit for a year. Admittedly this was for a
24/7
> enviroment.
>
> Irronically this work got me interested in home automation and my
first
PLC
> based system. (later leading ont  the Homevision)
>
> Regards
>
>     Rich
>
>
> ----- Original Message -----
> From: "Phil Harris" <phillip.harris1@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Thursday, July 05, 2001 7:20 PM
> Subject: RE: [ukha_d] Re: Automating the split aircon unit
>
>
> > I'm just estimating t  get t  800w but in my living room the
running
time
> is
> > about 9-12 minutes on and then about 3 minutes off when the
temperature
> has
> > stabilised. Therefore in my living room you're looking at a duty
cycle
of
> > about 80% hence I reckon mine is averaging out at about 800w. The
single
> > unit in Edwards room just runs continuously...
> >
> > Phil
> >   -----Original Message-----
> >   From: steve [mailto:steve@xxxxxxx]
> >   Sent: 05 July 2001 11:13
> >   To: ukha_d@xxxxxxx
> >   Subject: Re: [ukha_d] Re: Automating the split aircon unit
> >
> >
> >   When calculating eunning cost you need t  bear in mind that
although
> when
> > running 24/7 the internal fans runs continuously. The pump and
external
> fan
> > do not. (assuming your not trying t  cool a concert hall) As they
cut
out
> > when desired temp is reached.
> >
> >
> >   Whilst the cooling capacity is 2600Kw the cooling consumption
is
1060kw
> > (which is a max and will assuming all fans & pumps running)
> >
> >   There for the 800 and something mentioned is way OTT
> >
> >   Steve
> >
> >
> >
> >
> >
> >
> >
> >
> >   To: ukha_d@xxxxxxx
> >     Sent: Thursday, July 05, 2001 12:00 AM
> >     Subject: [ukha_d] Re: Automating the split aircon unit
> >
> >
> >     --- In ukha_d@y..., "steve" <steve@b...>
wrote:
> >     >
> >     > 3 year warranty - run it 24/7 if you need t
> >
> >     Good point :)
> >
> >     > Mines been on 24/3 but thats due t  the weather and
being british
> >     wont last.
> >
> >     Another post just made me wonder about the cost of 24/7 since
it
> >     would work out quite expensive running costs. Maybe I should
return
> >     one of those "your home has been selected for solar
power testing"
> >     mailshots (that are so not targetted) or something :)
> >
> >     Mark.
> >
> >
> >
> >
> >     ____________________________________
> >     Automated Home UK
> >     http://www.automatedhome.co.uk
> >     ____________________________________
> >
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Service.
> >
> >
> >
> >
> >   ____________________________________
> >   Automated Home UK
> >   http://www.automatedhome.co.uk
> >   ____________________________________
> >
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> >
> >
>
>
>
>
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