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  1. Replies
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    It is certainly possible to switch to a...

    It is certainly possible to switch to a high-efficiency furnace which vents horizontally. The air-conditioner does not need to be replaced.
    I caution you to make sure that the furnace is of the...
  2. Replies
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    Matt, We don't discuss pricing per site rules....

    Matt,
    We don't discuss pricing per site rules. Prices differ regionally plus we don't know what parts are involved.

    If your existing furnace vents with B-vent then it cannot be vented...
  3. Replies
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    813

    Did you install a new cap with an O-ring? Lack of...

    Did you install a new cap with an O-ring? Lack of an O-ring can lose refrigerant if the schrader valve doesn't seat completely.
  4. Since most duct systems are too small for the...

    Since most duct systems are too small for the equipment, putting in larger equipment will make matters worse. Insist on a true load calculation, known as Manual J. Do not accept a rule of thumb...
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    They can both leak if not installed and...

    They can both leak if not installed and maintained properly.

    Can the bedroom reasonably be reached with a duct from the house system? Why is this room an issue.

    If you'd like the room to be a...
  6. I don't like the sound of "distribution boxes." I...

    I don't like the sound of "distribution boxes." I suspect they will feed long flexible ducts to the boots or feed large flex to a box which will then split to the branch runs and boots. Both of those...
  7. There was a fire in the attic of a house we own....

    There was a fire in the attic of a house we own. The insurance investigator determined that a squirrel had chewed on MC cable I had installed to ceiling lights. I purposely used MC instead of NM to...
  8. Technically, if you do not have certification,...

    Technically, if you do not have certification, you shouldn't be putting a manifold on a system.
  9. Replies
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    813

    The next guy will be cussing you out big time!...

    The next guy will be cussing you out big time! You'll round off the corners. Get a refrigeration wrench.
  10. Replies
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    That's the way I see it as well. No TXV and no...

    That's the way I see it as well. No TXV and no alternate metering.

    PS, it's weird that my quote of BJ has more text than the post.
  11. Replies
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    ::DD: I hope you're joking. His HW repair...

    ::DD:

    I hope you're joking. His HW repair thread went on for months.

    But he got his money's worth.
  12. It is lazy. Fastening things in a crawlspace is...

    It is lazy. Fastening things in a crawlspace is awkward and takes time.
    If moisture penetrates the insulation you may experience problems with the system.
  13. Replies
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    No. A dirty blower wheel will result in lower...

    No. A dirty blower wheel will result in lower static pressure but a lot lower CFM.
  14. Replies
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    HailWV, You need to have your post moved to the...

    HailWV,
    You need to have your post moved to the tech to tech forum. Click on the black triangle in your post and ask a moderator to move it. Site rules prohibit giving technical advice in the AOP...
  15. Replies
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    Homeowners are advised to post in the Ask Our...

    Homeowners are advised to post in the Ask Our Pros forum. However, technical advice will not be given to homeowners in that forum (or any other.)
  16. We cannot give technical advice in the AOP forum....

    We cannot give technical advice in the AOP forum. You'll need to click on the black triangle at the bottom of your post and ask and administrator to move it to tech-to-tech.
    You'll need to provide...
  17. Thread: TESP

    by kdean1
    Replies
    5
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    142

    The Trane book is wrong. The filter is external...

    The Trane book is wrong. The filter is external to the furnace. It's probably an error on the part of the illustrator or the editor as they are not experts.
  18. Thread: I bet my wife

    by kdean1
    Replies
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    324

    Perhaps there are no replies because your post is...

    Perhaps there are no replies because your post is in the jokes forum. A better place would be in the Ask Our Pros forum.
    You can ask a moderator to move it by clicking on the little black triangle...
  19. Service should include cleaning the condensate...

    Service should include cleaning the condensate drain as well as the trap and checking the operation of the overflow switch. Evidently the service was not thorough.
    When it comes to static pressure...
  20. Where did it overflow? The primary drain pan is...

    Where did it overflow? The primary drain pan is plastic. I don’t see any evidence of it overflowing.
  21. Replies
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    What is it you don’t like about being...

    What is it you don’t like about being comfortable?

    You can always turn it off and let the house temperature rise.
  22. Thread: My Home

    by kdean1
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    1,121

    Shiny! Looks great. I like the elevated...

    Shiny!

    Looks great. I like the elevated furnace to make use of the large air filter. I predict your house will be very comfortable.
  23. Replies
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    The manufacturer has determined what size the...

    The manufacturer has determined what size the duct should be. Reducing it will inhibit air flow and can contribute to the sweating you’re experiencing. Cutting costs doesn’t save money.
  24. You refer to additional insulation. What...

    You refer to additional insulation. What insulation is already there? You need to take a vapor barrier into consideration.
  25. Replies
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    That is not a heat pump so there is no reversing...

    That is not a heat pump so there is no reversing valve to shift.
  26. Replies
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    Then you do have a package unit, not an air...

    Then you do have a package unit, not an air handler.
    Condensation is a result of a temperature difference which reaches the dew point. It could be that air flow is too low as an effect of poor...
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    I hope this system isn't operating. The...

    I hope this system isn't operating. The condensate will be overflowing into the ducts or out of the unit somewhere else.
  28. Thread: Signature?

    by kdean1
    Replies
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    694

    In the Forum Actions drop down menu, at the...

    In the Forum Actions drop down menu, at the bottom is Edit Profile. You can edit all your information there, including your signature.
  29. Replies
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    I agree. A repair is impractical if not...

    I agree. A repair is impractical if not impossible. Given the age of the unit you should negotiate on the price of the house because it will need a new air conditioner soon.
  30. Replies
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    I don't envision that working as easily as you...

    I don't envision that working as easily as you think. Level the unit or the coil so the outlet is at the lowest point.
  31. Replies
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    AFAIK, two heads is too few for a 4 head unit. I...

    AFAIK, two heads is too few for a 4 head unit. I think a minimum of 3 heads is required.
    You'll be better off with a 2 head unit downstairs and a 2 head unit upstairs and it is likely the...
  32. Replies
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    I think of package units as being outside. If the...

    I think of package units as being outside. If the blower is in the house and the compressor is outside then you don't have a package unit. This is known as a split system.
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    If you have a heat pump you can go to the...

    If you have a heat pump you can go to the thermostat and switch the system from heat to cool for a couple seconds and then switch back to cool. This will energize/de-energize the reversing valve...
  34. I talked to a guy who was an owner of a supply...

    I talked to a guy who was an owner of a supply house 30 years ago. The distributor told him "you only need to stock 3 ton air conditioners and 100k furnaces."
    Times have changed. He's our customer...
  35. There's something drastically wrong with the...

    There's something drastically wrong with the equipment size. Because of that, the ducts are undersized for the equipment.
    Those nearly back-to-back 90 turns without turning vanes are only making...
  36. Replies
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    Poo at a distance is best.

    Poo at a distance is best.
  37. Oops. I thought I'd covered all the features. ...

    Oops. I thought I'd covered all the features.

    The Prestige can (or not) lockout the dehum during cooling operation.
    AFAIK there shouldn't be a need to deactivate the cooling during dehum.
    It...
  38. You may need someone with a thermal imaging...

    You may need someone with a thermal imaging camera and a good psychrometer to inspect.

    Here's a possible scenario - the air conditioner of the unit below yours has a pipe separated in the ceiling...
  39. In the simplest terms, it cannot be done. ...

    In the simplest terms, it cannot be done.

    Heat pumps are made for a given number of heads and can have no more than that amount. No valving, wiring, or alteration will change it.

    As has been...
  40. I have a Prestige thermostat in our house and use...

    I have a Prestige thermostat in our house and use them for customers. At our house it controls a dual fuel system, dehumidification, and humidification, and it has a portable comfort control which...
  41. Your post belongs in the Ask Our Pros forum since...

    Your post belongs in the Ask Our Pros forum since you are Asking Our Pros. That is the correct place for posts by homeowners.
  42. Replies
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    It should be vented according to the...

    It should be vented according to the manufacturer's installation instructions. Then a combustion analysis should be performed to verify proper combustion adjustment and venting.
  43. Replies
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    Anything electrical which has gotten wet has to...

    Anything electrical which has gotten wet has to be replaced. Even if it works now, the sediment and moisture will kill it soon.
    You're probably going to be better off replacing the furnace.
  44. Replies
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    It could be a number of things. But we can’t...

    It could be a number of things. But we can’t diagnose it from here.
    And site rules prohibit giving advice for DIY.
  45. Replies
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    900 CFM range hood?! That's venting over two tons...

    900 CFM range hood?! That's venting over two tons of cooling/hr. It seems like overkill to me.
    An its "advice", not "advise."
  46. Thread: Air Leak?

    by kdean1
    Replies
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    152

    Normal when the seals aren't installed. The coil...

    Normal when the seals aren't installed. The coil usually comes supplied with rubber grommets to seal around the pipes. I wonder what else they didn't bother to do.
    They can be sealed with putty to...
  47. Replies
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    368

    Most blowers are rated for .5" WC. Some cheap...

    Most blowers are rated for .5" WC. Some cheap models are only rated for .2 or .15. Evidently they're designed for very short ducts and a cheap air filter.
  48. Replies
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    183

    Many zone dampers are normally open. When one...

    Many zone dampers are normally open. When one zone calls, all other zones close. There’s nothing wrong with running the fan as long as you realize that doing so will evaporate moisture on the coil...
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    We don’t give technical advice in the AOP forum.

    We don’t give technical advice in the AOP forum.
  50. Replies
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    368

    Static pressure is very often on the high end of...

    Static pressure is very often on the high end of the blower chart in the manual. This is because the duct system is almost always too small and the equipment is too big. There's no way to know...
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