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Type: Posts; User: tlhiv

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  1. Thread: Sizing A/C

    by tlhiv
    Replies
    13
    Views
    1,043

    If you say so. That's why I'm asking here...

    If you say so. That's why I'm asking here because I just simply don't know. I'm trying to educate myself. :putergreet:
  2. Thread: Sizing A/C

    by tlhiv
    Replies
    13
    Views
    1,043

    Well he said that having the 5 ton two-speed...

    Well he said that having the 5 ton two-speed evaporator would really help my humidity level in the summer months. He said that it would have a continuous stream of condensation (as opposed to the...
  3. Thread: Sizing A/C

    by tlhiv
    Replies
    13
    Views
    1,043

    skippedover, I have a friend that is a...

    skippedover,

    I have a friend that is a professional HVAC guy, and he suggested a 3.5 ton condensor/compressor and a 5 ton variable speed evaporator unit.
  4. Thread: Sizing A/C

    by tlhiv
    Replies
    13
    Views
    1,043

    I have investigated this a little. Do you have...

    I have investigated this a little. Do you have an opinion on Gila Heat Control Window Film?
  5. Thread: Sizing A/C

    by tlhiv
    Replies
    13
    Views
    1,043

    Sizing A/C

    I apologize in advance for the long post

    I would like to know if there is a HOWTO on determining the correct size A/C unit to install in a house. I live in (and am the original owner of) a house...
  6. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Indeed :gah:

    Indeed :gah:
  7. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    How can I measure this? Do I have to have a...

    How can I measure this? Do I have to have a special meter to measure the amount of air flow?
  8. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    When you say it is "sized" for a 74-75 design...

    When you say it is "sized" for a 74-75 design temperature, do you mean the tonage (3 ton) of the compressor/condensor unit and the (3 ton) evaporator unit?

    I don't know of any leaks as, like you...
  9. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Now don't laugh, but we like to keep it around...

    Now don't laugh, but we like to keep it around 70F throughout the day, and on many days our system will "maintain" this temperature but if we decide to let it get to 72F for some reason, then the...
  10. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    I guess I would like to know if adding another...

    I guess I would like to know if adding another return grill and filter (same size) on an adjacent wall if I could expect more cool air to enter through the supply registers and thus cool the rooms...
  11. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    I am getting anywhere between 52F to 57F from my...

    I am getting anywhere between 52F to 57F from my supply registers depending on the current temperature in the house (typically there is about a 18F difference between the return air and supply...
  12. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Am I correct in assuming that my evaporator unit...

    Am I correct in assuming that my evaporator unit is "choking"? That is, does it seem like the return air is a bottleneck for the system?
  13. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Am I misunderstanding something? I cannot see...

    Am I misunderstanding something? I cannot see how there should be any noticable pressure drop between the unit and the return air grill/filter since there is no duct and the unit sits directly above...
  14. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    There is no duct work connecting the evaporator...

    There is no duct work connecting the evaporator unit to the return air grill and filter. The evaporator unit is in a mini-closet in my hall which is elevated about 2ft above the floor. A portion of...
  15. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Should I add the square area of the supply...

    Should I add the square area of the supply registers and try to match that with the return air grill size? I assume that I am not going to be able to get 1200cfm of airflow total out of my supply...
  16. Thread: Return Air Grill

    by tlhiv
    Replies
    24
    Views
    1,794

    Return Air Grill

    I have a 3 ton evaporator unit that is rated at 1200cfm airflow, but my return air grill is only 14" x 24". Am I correct in thinking that this is too small? I have read many places that I should...
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