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Join Date: Feb 2010
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HVAC Design

02/08/2010 9:40 PM

How do i start designing a building using HVAC? Could you send me a tips to follow?

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#1

Re: HVAC Design

02/08/2010 11:01 PM

HVAC Integration of the Building Envelope | Whole Building Design ...

I don't know if this helps: I was looking for something else.

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#2

Re: HVAC Design

02/08/2010 11:20 PM
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#3

Re: HVAC Design

02/09/2010 11:43 PM

ASHRAE publishes a multi-volume guide that will take you through the entire process, step by step...

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#4

Re: HVAC Design

02/10/2010 12:51 AM

Oje,

You asked a very general question, so you are getting very general answers (such as reading the entire ASHRAE manuals set). In most building design work, the HVAC requirements are based on the building envelope (its shell exposed to the outside) and its occupants (such as the number of tenants, machinery, etc.). Additional important considerations are orientation, climate at the building's location (Arctic and Temperate climates dictate very different design and HVAC issues), restrictions based on the property or government rules/regulations, and budget for construction and operation. Ideally, the design process will go through more than one stage of refinement and improvement, so the results of the earlier design can be used to change the rules on which the plans are based.

Relatively small buildings can receive fairly simple HVAC system designs. Quite large ones require treating areas towards the building core completely differently from those near the perimeter. Depending on how you do the analysis of heating/cooling/ventilation needs, you can readily see these differences (or never know they existed). Better designs will divide the building into a number of zones and and then customize the HVAC design to best meet the needs each zone has as well as how one zone can influence the zones adjacent to it.

Come back with more details or be satisfied with a LOT of reading.

--JMM

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Member

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#5

Re: HVAC Design

02/10/2010 9:50 AM

1) should you be doing this scope of work? or get some professional help 2) There are new technology which uses NO Freon, and less than half the normal energy yet with the same output ie. your building needs 5 tons of AC or Heat, these unit put out 5 tons, yet are so efficient, use less than half the normal energy. Most of these have come down in cost to be at or nearly the same as common Freon units from Carrier or Trane. If you are interested I have most of their information, just finished an installation and the small grocery store is using less than 15% of the electricity they were using. 3) Now professional do multiple smaller units verse one large one, more efficient and the cost can be nearly the same, with more control and easier to run efficiently.

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#6

Re: HVAC Design

02/10/2010 11:30 AM

Oje,

As you can see from the previous posts, there are a lot of unknowns in your question. Before seeking help you need to answer several questions. First, I believe, is this. Is this a real project that you have been assigned by your boss, or is this a homework project and you are just looking for a reference point to start? Certainly two totally different perspectives. Certainly your "building" must be designed for its intended purpose (industrial manufacturing, office, residential, etc.) and then the HVAC requirements determined based on that scope. You cannot design the HVAC system first without knowning what it needs to do. When you can answer the first question above, then perhaps you can move forward with the assistance of CR4 or your other associates, as needed.

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#7

Re: HVAC Design

02/11/2010 3:03 AM

Your question is very general. Assuming you have a good back ground on thermodynamics and heat transfer, psyhrometry you can take carrier habd book and do design works for simple applications and chek it with the HVAC expert before you implment it. You can ptogress furhter by doing few more HVAC systemd for different applications.

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#8

Re: HVAC Design

02/11/2010 3:09 AM

Dear Oje,

Please change the phrasing of your question.. it should be" how do i design HVAC system for a building? building is designed by Civil engrs and architects.. right? no hard feelings please..

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Anonymous Poster
#9

Re: HVAC Design

02/11/2010 8:10 PM

Ok,I'll make you a deal:

Tell me how to design a rocket that will safely take me to the moon and back, and I'll tell you how to design a building using HVAC.

See how broad the question is?

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Active Contributor

Join Date: Feb 2010
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#10

Re: HVAC Design

01/08/2012 2:25 AM

Thanks everyone, sorry for late reply i lost my account and have it back again. More power.

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Anonymous Poster (2); cwarner7_11 (1); Hman (1); jmueller (1); lyn (2); mrswamy (1); Oje (1); YesMAM (1)

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