[Build] HVAC FAQ

[Shannon Lee]

My question wasn't *what* the plan was, it was *why* that was the plan.  We
seem to get plenty of air from the windows, and the whole reason for having
an HVAC component in the build was negative venting for the shop,
electronics space, etc.
--S

On Thu, Sep 3, 2009 at 1:07 PM, Ben Kochie <ben at nerp.net> wrote:

> To respond to questions I just stuck it all in one email.
>
> * The HVAC system is to provide fresh air when large numbers of people are
> in the space.
> * The fan system has filters to remove some of the "Mission" from the
> incoming air.
> * A large fan doesn't do either of these things
> * "For the 2 days a year when we need it" isn't solved by any fan-only
> solution, we would need active cooling for those days.
> * Active cooling/heating is as easy add-on option with the air mover, but I
> doubt we'll add cooling/heating.
> * Part of the HVAC plan is to also provide negative venting as well as the
> fresh-air feed.  The ammount of negative venting (cubic-ft/min) we need is
> small compared to the fresh-air needs.
>
> Yes, I understand that we're over budget.  This is why we're getting most
> of the HVAC stuff for free.  The HVAC guy and I are still scrounging around
> for more free stuff to minimize anything we might need to buy.
>
> Right now I'm working with a $0 budget to install this unit.
>
> -ben
>
>  "UNIX is user-friendly, it's just picky about its friends."
>
> On Thu, 3 Sep 2009, Shannon Lee wrote:
>
>  Maybe I'm misunderstanding something, but I thought that out primary goal
>> was a negative
>> ventilation system -- ie, removing things (fumes &c) from the space,
>> rather than bringing more
>> air in?
>> --S
>>
>> On Thu, Sep 3, 2009 at 11:08 AM, Ben Kochie <ben at nerp.net> wrote:
>>      I also got word from the HVAC guy that he was able to find a smaller
>> more
>>      appropriate fan unit for our space.  He might be able to deliver it
>> this
>>      weekend.
>>
>>      -ben
>>
>>       "UNIX is user-friendly, it's just picky about its friends."
>>
>> On Thu, 3 Sep 2009, Zedd Epstein wrote:
>>
>> >
>> > Drywall:
>> > The shop space is done. We have 11 more pieces to put up, then all of
>> the drywall is up.
>> If I
>> > can get some people here in the next few hours, we should be mudding by
>> this afternoon,
>> and be
>> > done by Friday night.
>> >
>> > Electrical:
>> > Both of the runs to the panels are pulled.
>> >
>> > We're going to need another dump run done in the near future.
>> >
>> > Thanks to everyone that's been coming out to help.
>> >
>> > Zedd
>> > 415-318-0296
>> >
>> >
>> _______________________________________________
>> Build mailing list
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>> https://www.noisebridge.net/mailman/listinfo/build
>>
>>
>>
>>
>> --
>> Shannon Lee
>> (503) 539-3700
>>
>> "Any sufficiently analyzed magic is indistinguishable from science."
>>
>>


-- 
Shannon Lee
(503) 539-3700

"Any sufficiently analyzed magic is indistinguishable from science."
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