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  1. Replies
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    Be aware that installing bigger equipment to make...

    Be aware that installing bigger equipment to make it colder upstairs will necessitate enlarging or adding to the duct system.
    I suggest you consider having a whole house dehumidifier installed...
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    For a guy with all your credentials in your...

    For a guy with all your credentials in your profile, I would expect you to know what "this static press" is.
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    A mobile home is NOT the place to install your...

    A mobile home is NOT the place to install your first minisplit system. Have you been trained on any of them? Plus you should confer with the manufacturer's application department for anything...
  4. It's easy to add ball valves on the end of hoses....

    It's easy to add ball valves on the end of hoses. The little hoses on the ball valves are no different than typical connectors. They are easy to remove and the closed ball valve enables the liquid...
  5. Home warranty will not do the right thing. They...

    Home warranty will not do the right thing. They are NOT an insurance company.
    Get a real contractor.
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    If the 92% has a PSC motor, I recommend that one....

    If the 92% has a PSC motor, I recommend that one. The 95% is likely to have an ECM. It won’t last long on undersized ducts.
  7. Start with a blower door test of your house to...

    Start with a blower door test of your house to determine actual leakage. During the blower door test they can use a thermal imaging camera to see where the most effective improvements can be made....
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    When my Honeywell bit the dust I replaced it with...

    When my Honeywell bit the dust I replaced it with a Thermastor. They’re made in the USA.
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    Patients?

    Patients?
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    Then, did the contractor add 25% more ducts?

    Then, did the contractor add 25% more ducts?
  11. Replies
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    Well, there’s a big problem. Though it may have...

    Well, there’s a big problem. Though it may have nothing to do with the whistle. Did the contractor add 50% more ducts?
  12. The 4” filter should be fine unless someone in...

    The 4” filter should be fine unless someone in your family has respiratory issues. Make sure they build the duct system to allow for the additional static pressure drop of the 4” filter.
  13. We can’t give technical advice in the AOP forum....

    We can’t give technical advice in the AOP forum. Click on the little black triangle at the bottom of your post and ask the moderator to move it to the tech to tech forum. It will help if you give...
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    We can’t help you. Site rules prohibit giving...

    We can’t help you. Site rules prohibit giving what you ask. Please review the rules.
  15. I’m reasonably certain that ABS pipe is not...

    I’m reasonably certain that ABS pipe is not approved or safe for venting furnaces.
  16. Thread: GOODMAN

    by kdean1
    Replies
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    Goodman is all about price, not service...

    Goodman is all about price, not service friendliness or ease of use.

    But, generally, get the guard mostly in place and install a screw or two to keep it in place. Then gradually work around the...
  17. That is big. Do the systems maintain a low...

    That is big. Do the systems maintain a low humidity in the house?
  18. Replies
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    I've never heard that before. To check you could...

    I've never heard that before. To check you could compare capacitors in a few units with the formula to see how accurate it is.
  19. A split unit is not the opposite of a single...

    A split unit is not the opposite of a single unit. Perhaps they suggested two systems.
    Again, a load calculation is essential. No other method is reliable. Positively none.
  20. Could there have been a low voltage issue which...

    Could there have been a low voltage issue which affected all the units?

    11.5 tons is a whale of a lot of cooling. How big is your house that it needs that much air conditioning?
  21. You should verify that 5 tons is truly what your...

    You should verify that 5 tons is truly what your house needs. Bigger than what is needed is bad, not good.
    The size of the old equipment means nothing. Only a load calculation will determine the...
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    That's a nice design and execution. What were...

    That's a nice design and execution. What were static pressures?
  23. Replies
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    How do you know that? Is it simply what is in...

    How do you know that? Is it simply what is in your house already?
  24. Replies
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    Probably not. Will the seller guarantee it is the...

    Probably not. Will the seller guarantee it is the right size for your house and that it is properly commissioned when installed? And that it is matched with the right size coil and blower?

    Or did...
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    The best method will be to foam the floor to both...

    The best method will be to foam the floor to both insulate and seal it. The ducts should have R-8 insulation and be well sealed also. Do away with the ducts to the void as that’s probably leaking out...
  26. There is a link to a site member map in my sig. ...

    There is a link to a site member map in my sig.

    You can also check here: https://www.myhomecomfort.org/
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    Jim, Please get your facts straight. A PTAC is...

    Jim,
    Please get your facts straight. A PTAC is not a mini-split. There is no line set. Additionally, PTAC units don’t have valves so they can’t be pumped down.
  28. High static pressure is what causes ECM motors to...

    High static pressure is what causes ECM motors to fail. Manufacturers state the maximum static pressure on the ratings plate though it will operate at a higher static up to a point. It is up to the...
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    I’d be looking at the pan and internal drain...

    I’d be looking at the pan and internal drain instead of the 3/4“ & 1” drain pipes. That’s where the gunk collects.
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    We can’t tell from your pictures. If you’re...

    We can’t tell from your pictures. If you’re keeping your equipment you’ll need to know how much air flow it requires. That is assuming that the equipment is the right size. Statistically, it’s...
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    It could be a wiring issue. It could be a...

    It could be a wiring issue. It could be a refrigerant issue. Us knowing what it is won't help you because site rules prohibit giving advice for DIY.
  32. I fail to see how 20.8 is double of 19. Are you...

    I fail to see how 20.8 is double of 19.
    Are you using “new math?”
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    The line voltage wire fastened to the gas flex...

    The line voltage wire fastened to the gas flex connector is asking for trouble.
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    Why only one and not both? And I advise you to...

    Why only one and not both?

    And I advise you to spell advice with a c.
  35. Replies
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    But the wash cloth is waaay classier. It’s a...

    But the wash cloth is waaay classier. It’s a status symbol.
  36. Replies
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    That’s what I was going to recommend but he OP...

    That’s what I was going to recommend but he OP knows all there is to know. He said so.
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    The high tech solution. Thumb gum too expensive?

    The high tech solution. Thumb gum too expensive?
  38. There you go, stealing my thunder. I had him...

    There you go, stealing my thunder. I had him thinking I was an HVAC genius.
  39. Calling a brand "junk" is not very professional....

    Calling a brand "junk" is not very professional. There are some cheap brands and they tend to be noisier than other brands or flimsy because they are built to meet a low price.
    I don't like those...
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    Finally, an authoritative answer! I'm glad to...

    Finally, an authoritative answer!

    I'm glad to learn your 3rd point. We have been fortunate that on the rare occasion that we had to reverse a coil we have not experienced limit trips. Perhaps the...
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    Is the lip the furnace flange which is initially...

    Is the lip the furnace flange which is initially in the vertical position? The flanges are partially cut so they can be broken off for the installation of a coil so they don't interfere with air flow.
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    There is no evidence in the manual to support...

    There is no evidence in the manual to support your claim. Please give some proof that it "should be on the front." I suspect it is not pictured in the manual because it is not a typical application....
  43. Please don’t shout. It’s bad manners.

    Please don’t shout. It’s bad manners.
  44. Replies
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    That shows a coil which is wider than the...

    That shows a coil which is wider than the furnace. The OP has a coil which is the same width as the furnace.
    i agree that a wider coil must be positioned for flow to all parts of the coil. But, when...
  45. Talk to the Ultra-Air people. They can advise you...

    Talk to the Ultra-Air people. They can advise you and help you choose a model that matches your situation.
  46. Replies
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    I read that as for only for coils that are being...

    I read that as for only for coils that are being installed on a narrower furnace.
    Here's a quote from the manual (sorry for the all caps, that's what's in the manual.) I don't see that applies to...
  47. Not to my knowledge. Set it to emergency heat.

    Not to my knowledge. Set it to emergency heat.
  48. "Digital marketing" - would that be Facebook?...

    "Digital marketing" - would that be Facebook? :grin2:
  49. Replies
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    Good eye BJ. That looks like a gap at the bottom...

    Good eye BJ. That looks like a gap at the bottom of the filter box to the furnace.
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    It sounds way too small from your description....

    It sounds way too small from your description. Some pictures would help us.
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