[Noisebridge-discuss] Soda Machine

Ben Kochie superq at gmail.com
Wed Feb 22 23:25:28 PST 2012


I made measurements of the noisebridge soda machine.  It's a piece of
shit old machine that uses 4.7 kWh/day.  At CA energy prices
(0.17/kWh) this comes out to about $24/month.

It was higher before I removed the front panel lights (7.4kWh/day)

On Tue, Feb 21, 2012 at 08:16, Martin Bogomolni <martinbogo at gmail.com> wrote:
> ...
>> Lief suggests that it costs about $100 per month in
>> electricity to run the vending machine.
> ...
>
> Just one point I want to rebut.  The machine does not cost $100/mo in
> electricity.
>
> The particular one we have is fairly well insulated, and uses about 8
> amps when the compressor is running, and a little under an amp when
> it's idle.   It averages 3 kWh/day, and electricity is currently
> ~$0.20/kWh, so about sixty cents per day to run the machine.    It has
> the advantage over a standard refrigerator, in that people aren't
> opening it's doors all day, so the compressor only kicks on when
> needed.
>
> I'd estimate that the drinks machine, with the florescent tubes -off-
> (they suck power) costs about $18-20/mo in energy costs.  A far cry
> from Leif's supposition.
>
> On a personal note, I would like to request a particular drink...
> Living in Texas half time has gotten me addicted to Diet Dr. Pepper.
> I assure you I'll drink at least haf the stock you buy for a slot, for
> the convenience of being able to hack and not have to walk down the
> block for a can.  *laugh*
>
> -Martin
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