Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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Type: Posts; User: vaioman

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  1. Replies
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    who's "they are still undecided"? DOE or Energy...

    who's "they are still undecided"? DOE or Energy Star?
  2. Replies
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    i would appreciate if you can give me the link of...

    i would appreciate if you can give me the link of this.


    thank you!
  3. Replies
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    the wall is vinyl siding....can you imagine how's...

    the wall is vinyl siding....can you imagine how's the three story building with 65 apartments hanging a 65 mini splits?
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    the building is three floor and there's no...

    the building is three floor and there's no provision for outdoor unit. Also most of the unit will exceed the maximum lenght of refrigerant pipe if we will use split type.

    that the reason we can't...
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    the configuration of the building is not suited...

    the configuration of the building is not suited for split system thats why we're not using split system.
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    thanks for the reply. i guess there's no PTAC...

    thanks for the reply.

    i guess there's no PTAC with SEER or EER 14 available yet in the market.

    we need SEER14 (PTAC) so that our multiple apartment we're construction will past the "energy...
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    anybody guys?

    anybody guys?
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    PTAC (Package Terminal AirCon) with 14SEER?

    anybody knows any Package Terminal Air Conditioner which have 14SEER, with cooling (electric) and heating (gas or equavalent) capabilities?

    or is there any PTAC (cooling only) with 14 SEER?
    ...
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    if you're talking about energy efficient....go...

    if you're talking about energy efficient....go for 4pipe.

    if you're talking about building green....another vote for 4pipe since you use water instead of refrigerant.
  10. i know that's why i'm studying this heating load...

    i know that's why i'm studying this heating load cal and equipment selection (heating/cooling)

    just so you know, i've been designing (for cooling) and building 1,050 Tons capacity project last...
  11. TR : Tons of Refrigeration i'm residing now at...

    TR : Tons of Refrigeration

    i'm residing now at Long Is. NY...
  12. i just want to study how to do heating load...

    i just want to study how to do heating load calculation and do equipment selection for combination of heating/cooling requirements.

    after reading the book from ASHRAE, cooling load calculation is...
  13. thanks hvacbear. the book you advise is very...

    thanks hvacbear. the book you advise is very helpful....anyway i have few question after reading it.

    for building (offices), is this the common system they use?..... Boiler (hot water generator) +...
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    let them do the refrigerant piping design and...

    let them do the refrigerant piping design and layout.

    daikin multi system is perfect for offices with lots of room....operation cost is cheap but first cost is pretty expensive
  15. bump..... :)

    bump..... :)
  16. thanks hvacbear..... waiting for my 2books ;)...

    thanks hvacbear.....

    waiting for my 2books ;)

    another question, theres a lot of system that can used in cooling any area/space (using chilled water system, condense water system, split type,...
  17. i've been designing Airconditioning system for...

    i've been designing Airconditioning system for almost 10years....my problem is i only do cooling load since there's no winter season in our country.

    i'm mechanical engineer with licensed in our...
  18. you're absolutely right. guys, is there any...

    you're absolutely right.

    guys, is there any online course to study ASHRAE heat load calculation?
  19. thanks! if they can do both, what size or...

    thanks!

    if they can do both, what size or capacity should i select?....example 50TR for cooling required to cool down the offices and 70TR for heating to provide heat during winter season.

    do i...
  20. yeah thats right. thats why i give...

    yeah thats right.

    thats why i give example....so i can't buy split type AC equipment (indoor unit + ACCU) that can do two things....HEAT during snow/winter/cold season and COOL during summer...
  21. yup i'll work as entry level hvac engineer....but...

    yup i'll work as entry level hvac engineer....but i want to know also the answer to my question....i can easily understand if you give me some idea.

    thanks
  22. got it. how about the equipment (ex. chiller...

    got it.

    how about the equipment (ex. chiller or package AC units)....if i compute 50TR for cooling and 70TR for Heating if i bought the chiller or AC equipment, do i need to buy 70TR capacity with...
  23. Question: What's the difference between Cooling & Heating Calculation Load?

    Hi i've been designing and do cooling load calculation in our country. Now, im here in the USA and there's snow and lots of freezing temperature.

    my question is, if i compute for the cooling load...
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