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  1. Replies
    8
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    301

    X2

    X2
  2. Replies
    10
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    332

    Using a duel fuel application would serve you...

    Using a duel fuel application would serve you best provided the heat pump "separate metering" is only required for the lower rate
  3. The 803, but as BL stated the VP is a better...

    The 803, but as BL stated the VP is a better choice. Both are made by Honeywell
  4. Replies
    32
    Views
    1,331

    low airflow is probable

    low airflow is probable
  5. The product is not at fault and when it is...

    The product is not at fault and when it is installed in the return with a face velocity between 275 to 300 fpm and is cleaned monthly they work great.

    Unfortunately the majority of them are...
  6. When looking at the condensation dripping, if it...

    When looking at the condensation dripping, if it is dripping from inside the flue pipe it would be acidic, and if it is condensing on the outside of the pipe it would not be.
  7. Rarely does an EAC get installed on a return that...

    Rarely does an EAC get installed on a return that has a low enough velocity for the EAC to function as designed along with the lack of maintenance to keep the cells clean.
  8. Stick with 4 inch MERV 8 unless you have static...

    Stick with 4 inch MERV 8 unless you have static pressure confirmed. Chances of the static to be low enough to use anything above 8 would be rare.
  9. The condensate is acidic, placing bucket to...

    The condensate is acidic, placing bucket to maintain drip will work
  10. Required, specifically noted in installation...

    Required,
    specifically noted in installation instructions.
  11. Replies
    10
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    497

    X2 Water source is also excellent if designed...

    X2

    Water source is also excellent if designed and installed correctly. Two big ifs.
  12. Thread: Goodman

    by second opinion
    Replies
    16
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    1,027

    Even if that was the case Jim, he should have...

    Even if that was the case Jim, he should have caught it at commissioning of the system
  13. Replies
    4
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    358

    Are you wanting to eliminate the heat pump and...

    Are you wanting to eliminate the heat pump and convert it to a straight AC unit? If so it is easy to do.
  14. Replies
    3
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    362

    The product can be purchased with self sealing...

    The product can be purchased with self sealing seams and then painted to prevent UV degridation. It is a simple task that can be performed relatively easilly.
  15. The other issue to look at is the equipment...

    The other issue to look at is the equipment matching the sensible heat ratio of the manual J load calculation.

    Just because a system selection meets a specific SEER rating, should not be...
  16. Replies
    12
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    541

    422.12 Central Heating Equipment. Central heating...

    422.12 Central Heating Equipment. Central heating equipment
    other than fixed electric space-heating equipment shall
    be supplied by an individual branch circuit.
    Exception No.1: Auxiliary...
  17. Replies
    17
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    1,195

    It would be rare that any AHJ would allow you to...

    It would be rare that any AHJ would allow you to tie directly into a sanitary drain for condensate disposal. A trap primer is to maintain a wet trap to prevent sewer gas from entering a space. Used...
  18. What state are you in or do you have a link to...

    What state are you in or do you have a link to the criteria used by the utility provider?
  19. If set up correctly you are good to go.

    If set up correctly you are good to go.
  20. The answer to both questions is yes. And for...

    The answer to both questions is yes.

    And for your last post, third party testing for post commissioning should be mandatory. For pretesting all companies should be competent enough to determine...
  21. Isolate and determine what is leaking, It could...

    Isolate and determine what is leaking, It could be a simple as a poor braze joint or schraeder core leaking. Never allow additive to a new system.

    Depending what they charged you for the leak...
  22. Replies
    1
    Views
    245

    If you have a dust collection system there would...

    If you have a dust collection system there would be no issues
  23. Replies
    6
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    428

    In certain scenarios insulating both the liquid...

    In certain scenarios insulating both the liquid and suction is a good idea. Long runs in attic where excess heat can be picked up in summer time.
  24. The furnace is two stage and the VS motor works...

    The furnace is two stage and the VS motor works during the cooling cycle and not the furnace cycle.
  25. Replies
    23
    Views
    1,670

    go to South Carolina building codes. If you...

    go to South Carolina building codes.

    If you are getting water intrusion from flooding due to landscaping or high water table then the attempt to alleviate was not addressed correctly.
    The vapor...
  26. Up-selling equipment efficiency rating and...

    Up-selling equipment efficiency rating and accessories that are not needed without addressing the structure and the air distribution is a popular scenario.

    Over-sized equipment can lead to more...
  27. Replies
    26
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    1,534

    408.3 was not modified or deleated for SC

    408.3 was not modified or deleated for SC
  28. Look in your history and look for faults that...

    Look in your history and look for faults that have occured with the system
  29. It is a combination of components such as larger...

    It is a combination of components such as larger coils, ECM motors, TEV controls, scroll compressors.
  30. Ask your installer if he is going to replace the...

    Ask your installer if he is going to replace the ECM motor when it fails. I will be willing to bet he will tell you that it is also ok if you pay for the repair.
  31. Trying to track down an oder can be tedioius. A...

    Trying to track down an oder can be tedioius. A time line with data usually helps.

    A mod will be allong to relocate to AOP
  32. International Building Code SECTION 110...

    International Building Code

    SECTION 110 INSPECTIONS

    [A] 110.1 General.
    Construction or work for which a permit is required shall be subject to inspection by the building official and such...
  33. Focus on the building structure and envelope,...

    Focus on the building structure and envelope, well sealed and insulated and an air to air will serve you well at a much lower cost than geo
  34. Replies
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    1,666

    You can answer it any way you see fit as long as...

    You can answer it any way you see fit as long as you provide the correct answer.

    Bubble point? 410 a is a near azeotropic not a zeotropic
  35. What is the brand of the filter and the brand and...

    What is the brand of the filter and the brand and model # of the furnace?

    It is quite possible to have 0.36 static pressure in some filters when new.
  36. What I posted is a fact. Please by all means...

    What I posted is a fact.
    Please by all means research and prove what was stated is incorrect.
  37. Also incorrect This is incorrect it must be from...

    Also incorrect
    This is incorrect it must be from point to point
  38. Probably the simplest way to determine that would...

    Probably the simplest way to determine that would be to go outside where the air would be coming from and feel, smell and taste.

    The piping is not going to create an issue unless the air...
  39. Can you also post the model # of the attic fan. ...

    Can you also post the model # of the attic fan.

    It should not run in the winter time under any scenario, heat or humidity. Depending on your layout of the dryer exhaust, they could be related in a...
  40. A common statement that can be very misleading...

    A common statement that can be very misleading and used by salesmen on a regular bases.

    If an appliance is installed at the design specification as tested the ECM motor does use less wattage than...
  41. Replies
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    936

    The correct type of fan was chosen. Can you post...

    The correct type of fan was chosen. Can you post location and sketch of duct run from point to point along with size.

    Caution and regular maintenance should be used anytime a booster is installed...
  42. Is this both inside and out?

    Is this both inside and out?
  43. X2 and to ad to that the furnace is not listed to...

    X2 and to ad to that the furnace is not listed to be cord and plug connected.
  44. If you turn the Tstat to the off position does...

    If you turn the Tstat to the off position does the equipment stop?

    What could be happening is the contacts could be welded together and the only way to shut down is turn the breaker off.
  45. Are the units inside and out cooling or just...

    Are the units inside and out cooling or just running?
  46. The temperature in the space could drop if the...

    The temperature in the space could drop if the outdoor temperature is low enough only to cause the heat pump to play catch up, and it can cost you more to recover than to maintain.
  47. Both comparatively the same. The biggest issue to...

    Both comparatively the same. The biggest issue to look at is finding a competent contractor that will do a correct load calculation on your house and good installation.

    These two items will far...
  48. Furnaces yes but not boilers and hot water heaters

    Furnaces yes but not boilers and hot water heaters
  49. Replies
    7
    Views
    467

    My response to your original post was that since...

    My response to your original post was that since you had a tank less water heater that it would be a bad idea to attempt to use the hot water for the humidifier as you were told. Since my response...
  50. The only caveat is that most hot water heater and...

    The only caveat is that most hot water heater and boiler manufactures have changed the venting requirements in regards to using PVC. The flue temperature is higher than the PVC limitation and an...
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