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  1. I am not in favor of installing a dehumidifier...

    I am not in favor of installing a dehumidifier until you get your a/c working properly, but it is impossible to improve your a/c, this is the type of unit I would suggest. In addition to additional...
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    Certainly better than nothing. The Santa...

    Certainly better than nothing. The Santa Fe/Broan have a stout portable 70 pint per day unit. More money but worth it.

    Most bath fans move less than 100 cfm. So operating at normal speed may be...
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    Here is what really happens with simple fresh air...

    Here is what really happens with simple fresh air ventilation
    Introducing a fresh air change of 3-4 hours of ventilation(100 cfm) would reduce the radon by pressurizing the home, purge indoor...
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    With typical homes in your area, during winter...

    With typical homes in your area, during winter conditions, you need very little fresh air ventilation because of wind and the extreme stack effect on the home. During mild calm winds of the mild...
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    Neighbor reports some roof tile missing, pool...

    Neighbor reports some roof tile missing, pool plumbing damaged, screen over pool ok, and several poles snaped. No flooding or major damage. Walk through later today.

    We were lucky, all things...
  6. Very moving memorial! The story brought a tear...

    Very moving memorial! The story brought a tear to my eye.

    Impressive. Thanks, He left his mark.

    Regards Teddy Bear
  7. An air tight foam structure with occupants needs...

    An air tight foam structure with occupants needs mechanical fresh air ventilating during calm weather. Most suggest a filtered fresh air change in 3-4 hours to purge indoor pollutants and renew...
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    Looks like I can relax a little got a 2nd hand...

    Looks like I can relax a little got a 2nd hand report of "no flooding or major damage for my Cape Coral home that was near the eye.

    Reports lack a physical inspection yet. No power or humidity...
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    7.00 pm Wed.house was in tact, but the sea water...

    7.00 pm Wed.house was in tact, but the sea water canal was over the sea wall and rising. No report from neighbor since. Sitting on pins and needles with mixed feelings.

    I will keep you posted. ...
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    Whats your climate? Any concerns about humidity...

    Whats your climate? Any concerns about humidity control?

    Up grade with filtered fresh air to purge indoor pollutants and oxygen renewal?

    Keep us posted.

    Regards Teddy Bear
  11. Do not waste your money on a toy dehumidifier. In...

    Do not waste your money on a toy dehumidifier. In fact at this point, focus on getting the a/c/reheat working. When working properly, no dehumidifier is needed except to reduce operating cost after...
  12. Here is the real test. Ask them for a written...

    Here is the real test. Ask them for a written statement that they will provide a whole house dehumidifier fresh filtered air option like the Santa Fe Ultra if they are unable to maintain <50%RH...
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    A couple very exciting days!

    The ultimate test of home and systems is watching the results of a direct hit of a strong Hurricane!

    It is new form of entertainment when it is my home in Cape Coral in FL

    I will post a picture...
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    Are you in high dew area? Location of home? What...

    Are you in high dew area? Location of home? What is the indoor temp/%RH? A/c blower-Auto or On? Fresh air ventilation? Number of occupants?

    Age of home? Check plumbing vent stacks for corrosion...
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    Original was plain vinegar. I use apple vinegar...

    Original was plain vinegar. I use apple vinegar now. Not sure it makes a difference. I use broiler chickens,6-7 lbs. Fresh if you can get them.

    Regards Teddy Bear
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    A cup of vinegar, 4 tbs oil, 4tbs salt, 2tbs...

    A cup of vinegar, 4 tbs oil, 4tbs salt, 2tbs black pepper, 1 tbs cyane pepper, sage, garlic, 2 tbs brown sugar or honey, and beat in one egg. marinade 6-8 hours. Brush on the oil and thick part of...
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    Get a dehumidifier even if Home Depot, 50 pint....

    Get a dehumidifier even if Home Depot, 50 pint. A/c can be off when you are away. Dehu avoid musty or mold.

    Regards Teddy Bear
  18. It takes 45 mins. to dry a cooling coil with the...

    It takes 45 mins. to dry a cooling coil with the blower running. The coil will dry without the fan running in 1.5 hours. You are getting a <1 lb. in the short run you describem, mostly warm the...
  19. Get 70 pint dehumidifier if possible. Maybe next...

    Get 70 pint dehumidifier if possible. Maybe next time, try my suggestion.

    Keep us posted on results.

    Regards Teddy Bear
  20. Make sure your moisture barrier covering the...

    Make sure your moisture barrier covering the earth is in tact. Close the vents to the outside, Then add a ductable dehumdifier to the crawlspace space with 6" fresh air inlet and a 6" duct from...
  21. As you see, technology as changed in the last 12...

    As you see, technology as changed in the last 12 year. The SEERs are up to +20. We now have 2 speed, 5 speed, and VS speed. Complex, expensive, and complicated to fix as they age, but with promise...
  22. Assume we have fan "on" 24/7 or "auto"? What...

    Assume we have fan "on" 24/7 or "auto"?

    What is the target temp/%RH?

    Your cooling coil is producing 50^F dew point air occasionally. Would be better to have a colder cooling coil provided...
  23. The real fix for crawlspace is making sure that...

    The real fix for crawlspace is making sure that there is 9 mil plastic on the earth on the on any exposed earth in the crawl space to stop moisture from evaporating into the space. Next, seal the...
  24. Measurements at the inside return and supply...

    Measurements at the inside return and supply grills will do.

    Teddy Bear
  25. What were the return and supply temps/%RHs during...

    What were the return and supply temps/%RHs during the runs? Fan "auto" or "on"? This will confirm the amount of moisture removed per hour. Do you have the ability to lower the air flow one more...
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    I would keep the a/cs simple for cost and long...

    I would keep the a/cs simple for cost and long term maintaining. There is a slight advantage with the VS compressors but is complicate and expensive to maintain. During evenings and rainy days the...
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    I have a home in Cape Coral also. 2,400 sq.ft. I...

    I have a home in Cape Coral also. 2,400 sq.ft. I have a 4 ton a/c which is adequate. I also installed a whole house dehumidifier with 80 cfm of fresh air to get a fresh air change in 4 hours to...
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    A partially iced coil is an indication of low...

    A partially iced coil is an indication of low refrigerant. Suspect a leak. Do you have fresh air ventilation as part of the dehumidifier?

    Contact the installing contractor for confirmation of...
  29. Before getting to the dehumidifier, suggest that...

    Before getting to the dehumidifier, suggest that you recheck the a/cs setup. During significant sensible cooling loads (50% run cycle), your current a/cs should be able to provide the desired level...
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    Small whole house dehumidifiers remove 3-4 lbs....

    Small whole house dehumidifiers remove 3-4 lbs. per kwh and contribute +-8,000 btus of reheat extend a/c run.
    10 KWHs for typical 40 lbs. per mild season days in a green grass climate and provide...
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    You need the fresh air change in 3-4 hours. You...

    You need the fresh air change in 3-4 hours. You going to here more about the effect on long term health from the health experts as time goes on. This will become of the building codes and medical...
  32. Blower door test estimate the fresh air leakage...

    Blower door test estimate the fresh air leakage during an average winter temperature and 7 mph wind.

    Here is the problem, homes under this condition are typically .1-.3 air change per hour. Yet...
  33. Start with basement/1st floor unit. Your second...

    Start with basement/1st floor unit. Your second floor a/c looks a good setup with the 52^F supply temperature. Also suggest 24/7 dehumidifier fan operation for continuous circulation.

    Thanks for...
  34. Slight negative pressure ok (-.4" WG neg max). ...

    Slight negative pressure ok (-.4" WG neg max).

    If you need to use the 30 pint set %RH +5%RH above the Ultra 70. Also the Broan/Trane are similar to the Santa Fe Ultra.

    Keep us posted.
    ...
  35. Most of moisture in your home is from outside air...

    Most of moisture in your home is from outside air infiltration/ventilation. Your fresh air ventilation is important to purge indoor pollutants and oxygen renewal. Your clothes drier/kitchen...
  36. I understand how the a/c will remove moisture...

    I understand how the a/c will remove moisture from adequate fresh air infiltration/ventilation/occupants during peak cooling loads. A properly setup a/c will will removes 3 lbs. lbs. of moisture per...
  37. Double post sorry. Teddy Bear

    Double post sorry.
    Teddy Bear
  38. What are the temps/RHs outside mid-afternoons/...

    What are the temps/RHs outside mid-afternoons/ basement/1st floor/2nd floor with a/c operating at ??? tstat setting on each a/c? What the a/c supply temps/RHs at the 1st and 2 nd a/cs supply grills?...
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    [QUOTE=Gigemdh;26274742] Because of the VS on...

    Because of the VS on the upstairs and the addition of VS on the lower unit when replaced, your choice on the connections. Best to cross connect the fresh, filtered air with the two a/cs. The idea...
  40. Adding a whole house dehumidifier to your home...

    Adding a whole house dehumidifier to your home would a simple mild season fix for <50%RH. Keep the surrounding spaces at the desired %RH should fix the bird room.

    During the winter, you may need...
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    How many sq.ft. for the home and occupants? What...

    How many sq.ft. for the home and occupants? What are typical temp/%RH on 1st/2nd floors? Any concerns about the amount of fresh air circulating during mild seasons of the year?
    Ever monitor the CO2...
  42. Great, you get the benefit of fresh air for your...

    Great, you get the benefit of fresh air for your home. I suggest that you have a fresh air change in 3-4 hours when occupied at a minimum. Like you one of your options, connect the fresh air to the...
  43. Double post.

    Double post.
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    Suggest reducing amount of return air flowing...

    Suggest reducing amount of return air flowing through the cooling coil to reduce the sensible cooling and increase the latent (moisture) removed by the a/c during significant sensible cooling until...
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    This gave us good info except the last comment,...

    This gave us good info except the last comment, missing %RH tstat information. Compared to previous information, the fresh air must be off now? I estimated a 500CFM air leak on return, could have...
  46. From your info. Sounds like the dehu is low on...

    From your info. Sounds like the dehu is low on refrigerant, because of ice on coil. Probably a leaking cooling coil. Have you installing contractor check for refrigerant charge and then leak...
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    I think you are jumping the gun. Make sure that...

    I think you are jumping the gun. Make sure that your a/c is setup correctly before adding anything. Confirm that your a/c is setup with the ideal amount of air flow through the cooling coil to...
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    I was hoping for a/c only running for the...

    I was hoping for a/c only running for the comments on the a/c performance.

    My guess is that you have a major air leakage on the return if your readings are correct. Your a/c air flow should be...
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    We need return temp/%RH and supply temp/%RH for...

    We need return temp/%RH and supply temp/%RH for the a/c to determine the amount of moisture the a/c is removing. A properly setup a/c running +50% of the time controlling the temperature of the home...
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    The first step is setting up the a/c to supply ...

    The first step is setting up the a/c to supply cold air that is a minimum of 6-7^F dew point lower than the desired dew point in the conditioned space. 75^, 50%RH, a 55^F dew point requires 48^F...
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