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  1. Replies
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    One would increase air flow.

    One would increase air flow.
  2. Replies
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    Sounds like an air flow issue. Have a tech check...

    Sounds like an air flow issue. Have a tech check static pressure and temperature rise.
  3. Replies
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    I don’t know why anyone feels a need to heat hot...

    I don’t know why anyone feels a need to heat hot water. It makes more sense to heat cold water to make it hot. :grin2:
  4. Thread: EEV VALVE

    by kdean1
    Replies
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    286

    it seems odd that you, a manufacturer’s rep, do...

    it seems odd that you, a manufacturer’s rep, do not have a tech sheet.
  5. There is a link in my sig to the site member map....

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

    And this site lists those who have received specific training in certain fields.
    https://www.myhomecomfort.org/
  6. Replies
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    https://hvac-talk.com/vbb/showthread.php?2212469-B...

    https://hvac-talk.com/vbb/showthread.php?2212469-Bad-Furnace-Install
  7. Thread: Ducting

    by kdean1
    Replies
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    304

    Before doing anything else, ask your technician...

    Before doing anything else, ask your technician to measure static pressure. 7 ducts is probably not nearly enough air flow for a heat pump. You'll probably need to add ducts or replace the duct...
  8. Replies
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    There's no need for a duplicate post.

    There's no need for a duplicate post.
  9. Replies
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    1,274

    Home Depot only provided the furnace. They...

    Home Depot only provided the furnace. They subcontract the installation. Now you'll get to experience the "blame game" as HD and the contractor both say it's not their fault.

    Cutting the water...
  10. I have found that unless the duct system is big...

    I have found that unless the duct system is big enough (and very few are) that a MERV 11 is often too much of a restriction. I have changed some to MERV 8 to deal with noise problems and to reduce...
  11. It appears that the old liquid lines are smaller...

    It appears that the old liquid lines are smaller than the ones on the unit. There may be a capacity and efficiency loss by using smaller tubing. You should check with the manufacturer to learn if...
  12. Try a fiberglass filter instead of the pleated...

    Try a fiberglass filter instead of the pleated filter. 1” pleated filters restrict air flow.
  13. I should explain that we use them to replace the...

    I should explain that we use them to replace the compressor mounting bolts.
  14. Replies
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    It looks nice from what I can see. But isn't that...

    It looks nice from what I can see. But isn't that horizontal RIGHT?
  15. We have found these isolation bolts useful to...

    We have found these isolation bolts useful to reduce vibration transmission.

    Fastparts #1172271

    Something similar on Amazon...
  16. Replies
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    In my case, I would refer you to my competition...

    In my case, I would refer you to my competition so they can deal with the problems that you will inevitably experience since you are intent on getting "a deal."

    The installation of a furnace or an...
  17. 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...
  18. Replies
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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.
  19. Replies
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    250

    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...
  20. 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...
  21. 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.
  22. Replies
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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.
  23. 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....
  24. Replies
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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.
  25. Replies
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    Patients?

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

    Then, did the contractor add 25% more ducts?
  27. 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?
  28. 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.
  29. 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.
  31. I’m reasonably certain that ABS pipe is not...

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

    by kdean1
    Replies
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    1,245

    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...
  33. That is big. Do the systems maintain a low...

    That is big. Do the systems maintain a low humidity in the house?
  34. 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.
  35. 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.
  36. 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?
  37. 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...
  38. Replies
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    That's a nice design and execution. What were...

    That's a nice design and execution. What were static pressures?
  39. 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?
  40. 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...
  42. 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/
  43. Replies
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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.
  44. 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...
  45. Replies
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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...
  47. Replies
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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.
  48. 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?”
  49. Replies
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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.
  50. Replies
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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.
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