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Type: Posts; User: dunno_HVAC

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  1. Replies
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    Sorry, I missed the fact you were talking...

    Sorry, I missed the fact you were talking geothermal. I'll have a look.
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    ^^^ Do you have a link? All I could find online...

    ^^^ Do you have a link? All I could find online were some PDF files.
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    Still dealing with plumbing issues right now but...

    Still dealing with plumbing issues right now but I'm in contact with HVAC companies and will have evaluations done shortly.
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    Getting back... I've yet to have any testing...

    Getting back...

    I've yet to have any testing done because the cabin isn't yet finished. The doors between the rooms are on now though and I've simulated having the shade over the window on the...
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    I guess I've made a pest of myself. I just don't...

    I guess I've made a pest of myself. I just don't think very clearly anymore. Thanks, everyone, for your help. I'll try to use the online calculators more effectively and seek advice from at least...
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    Here's a photo. Hopefully this clears up the...

    Here's a photo. Hopefully this clears up the confusion I've cause. Sorry for the construction junk laying around. The second floor and side window shades aren't yet installed. When they are then no...
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    Oops... forgot something. The first floor has an...

    Oops... forgot something. The first floor has an extended roof on the NW side that's not metal... it's asphalt sheets tarred own. A 2nd floor covered deck will be built on top of that so it will be...
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    Here's more data about the structure. I'll post a...

    Here's more data about the structure. I'll post a stick figure if I need to but the quality will be embarrassing. Please let me know if you need it.

    2-story structure
    gambrel roof
    1st floor...
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    I used the load calculator above trying to be as...

    I used the load calculator above trying to be as accurate as possible but the results can't be right. I'll try it again but, using the data for only the single main first floor room, the cooling BTUs...
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    It didn't get above mid 80's today with heavy...

    It didn't get above mid 80's today with heavy cloud cover. It was high humidity with some rain in the early afternoon. On a day like this, that little 12K BTU window unit will freeze me out in the...
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    BTW, my old trailer is running on one 25K BTU...

    BTW, my old trailer is running on one 25K BTU unit right now at 11:00 AM but it'll require both 25K BTU units by 2:00 PM and this is with me sitting in my underwear while doing nothing physical. I'm...
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    Goofy old south Texas... I called Sears to ask...

    Goofy old south Texas... I called Sears to ask for an evaluation and they don't even offer mini-split systems for my area so no evaluation from them. Also, I've been searching on-line for calculators...
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    Regarding seeing 90 degree temps on 80 degree...

    Regarding seeing 90 degree temps on 80 degree days... yes... something is very wrong. I'm currently in a cruddy old trailer with lousy insulation and metal siding and roof. It's in full sun as are...
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    One thing I failed to mention is the windows....

    One thing I failed to mention is the windows. Most are small double-pane and fairly well insulated. All are completely shaded. However, there are two very large north-facing panoramic windows, one...
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    Okay, I'm convinced to have a heat load...

    Okay, I'm convinced to have a heat load calculation done. Or maybe I'll just buy a giant deep-freeze and move into that.:)
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    Regarding BTU size for this 1100 ft2 building......

    Regarding BTU size for this 1100 ft2 building...

    If the large room downstairs needs "at least" 1.5 ton (for normal cycling at 105 degrees with 40 percent humidity) then the two smaller downstairs...
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    Regarding redundancy... I just like that. Some of...

    Regarding redundancy... I just like that. Some of the overkill has to do with the 3/4 ton units in the 900 ft3 rooms and the other is due to redundancies.

    Yes, I've priced the systems. Since I'm...
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    All I know is that the system sizes recommended...

    All I know is that the system sizes recommended by most technicians "here" prove to be too small for everyone I've known including me. Their systems run full-blast all the time during the peak heat...
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    Have I exposed my ignorance too thoroughly?:)

    Have I exposed my ignorance too thoroughly?:)
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    True but too late for that. What I have is 9"...

    True but too late for that. What I have is 9" fiberglass between the rafters plus a layer of good half inch foam board (aluminum layer on upper side) between the sheetrock and rafters. The felt over...
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    I was wrong about 105F/90 percent humidity......

    I was wrong about 105F/90 percent humidity... more like 90/85 or 105/65 at worst. My memory isn't what it used to be.
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    I checked the AOP Contractor Map. There are three...

    I checked the AOP Contractor Map. There are three contractors and the nearest one is approximately 90 miles (round trip) from me... might be a bit pricey??
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    At 105 degrees 30-60 percent humididty is far...

    At 105 degrees 30-60 percent humididty is far more common but it really does reach 90 percent occasionally. I'm opting for a worst-case-scenario system.



    No, I'm not a pilot. I've just always...
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    I'm intentionally buying over-sized systems...

    I'm intentionally buying over-sized systems because I expect them to lose efficiency and cooling ability over the next ten years... and I need it very cool so I can function well enough. I might have...
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    Advice On Multiple Ductless System

    Hi folks. I'm new here. I registered because I see some very good advice offered... and I need advice.

    I live south of San Antonio, TX and summers are hot and humid here. We've had summers that...
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