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HVAC Systems for Mixed Use Skyscraper

cooldude1988

Help. I'm trying to revise my studio project and well, kinda having some questions on HVAC Systems and Plumbing...

It's a condo tower, with non residential/retail at the bottom levels with amenities in between clumps of residential floors...

Now from looking at books, residences need Fan-coil units (saves space on their floors, less mechanical shafts).

However, commercial spaces, fan-coil units are not the preferred type...

Can it be possible to like combine more than two systems of hvac together (one VAV system for the commercial, and Fan Coil/Heat Pumps for my residential levels)?

and will that save my residences from loss of floor area to Shafts?


And are there much more sustainable or "green" hvac systems (the ones from arch studio companion seem not-so-green)

Just curious how its typically selected or done in the industry (undergrad student...curious)

Help would be great.

 
Dec 19, 09 8:14 pm
holz.box

HRVs are highly efficient and don't take up much space...

GSHPs require larger ducting and are $$$

but all of this is meaningless if you aren't properly insulating and sealing your building, aren't using the right glazing, etc.



Dec 19, 09 8:48 pm  · 
 · 
blah

And don't forget the orientation of your building...

Dec 19, 09 11:59 pm  · 
 · 
cooldude1988

Thanks for the reminders, but i was wondering more on:

- In a mixed use development, would the HVAC system being employed be the same for both the Commercial and Non-Residential? or would it be more of a hybrid of two systems?

Dec 20, 09 12:52 am  · 
 · 
treekiller

How tall?

typically, I've encountered separate mechanical systems for different uses in a building. Residential often have individual hvac for maximum control and to push the utility bills onto the residents - the exception is hotels and condotels. I've also encounter the use of geothermal systems that have individual meters per unit for the chilled/warmed water.

Commercial needs a centralized plant every 30 floors or so. the complexity of the systems/size of the plant increases once you go about 80 stories and enter the world of supertall buildings. CTBUH has lots of info about everything supertall in their conference proceedings (which are free via their website).

Good luck!

Dec 20, 09 10:16 pm  · 
 · 
cooldude1988

It's around 20-30 storey's tall...

floor area is around 550m2 or close to 6000sf per floor

Dec 21, 09 8:22 am  · 
 · 

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