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  1. This is not going make your like simple. Any of...

    This is not going make your like simple. Any of the a/c you are considering will maintain comfortable humidity during significant cooling loads. The idea of a fix duct system and a variable flow of...
  2. Most codes are suggesting a minimum fresh air...

    Most codes are suggesting a minimum fresh air change of an air change in 4-5 hours, This would be considered an moderately air tight home. The reason for the code suggestion is have enough fresh air...
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    That is an option. Simplicity and cost of...

    That is an option. Simplicity and cost of operation are considerations. Using the a/c with reheat provide 1-2 pints of dehumidification per KWH. The high efficiency whole dehumidifier provide up...
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    That is so cute. Even through it is true. Any...

    That is so cute. Even through it is true. Any of the above dehumidifiers are better than no dehumidifier. But check it out, the Ultra-Aire is currently the most efficient dehumidifier in the world....
  5. I reread all of the posts. Is this saga still...

    I reread all of the posts. Is this saga still going? I felt sorry for you having to deal with all of this imput and trying to make a decision. Good luck and keep us posted.
    I am on four years of...
  6. What is the temp/%RH of the space and the...

    What is the temp/%RH of the space and the temp/%RH of the supply air? It will tell us about air flow.
    Regards TB
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    What is the temp/%RH in the bedroom and the...

    What is the temp/%RH in the bedroom and the supply air temp/%RH? Looking for the dew point of the supply air verses the temp/%RH in the space. If you want a 75^F, 50%RH, which a 55^F dew point, you...
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    Do you know the air temp/%RH of the air in the...

    Do you know the air temp/%RH of the air in the space verses the supply air temp/%RH?
    Regards TB
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    Camper-damper, all about the same. I should add...

    Camper-damper, all about the same. I should add that setting up the coil temperature to provide for providing ideal %RH during moderate to high cooling loads, use typical outside temps, desire...
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    Furnaces give of CO, People give off CO2. Makeup...

    Furnaces give of CO, People give off CO2. Makeup air fresh air ventilation is good thing with open combustion devices. Try operating your kitchen hood on high, your clothes drier, and all of your...
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    Yes, most fan muti-speed tabs. Also the type of...

    Yes, most fan muti-speed tabs. Also the type of air filter will change the amount of air flow. Also a camper can be use to adjust air flow. Get a skilled pro who knows about this type of setup. ...
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    The operating cost an oversized a/c is grossly...

    The operating cost an oversized a/c is grossly overstated. The momentary spike is almost not measurable on your KWH meter. If you would slow the air flow through the cooling coil, 50%RH would be...
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    How is your 1 ton oversized a/c working? What is...

    How is your 1 ton oversized a/c working? What is the temp/%RH during the various cooling loads? My experience is that all a/c is over-sized during low/no cooling loads. Question is does it maintain...
  14. When the dust settles, you will have good...

    When the dust settles, you will have good humidity control during low/no cooling loads with any of the VS speed a/cs without a small whole house dehumidifier.
    A single speed a/c with the VS blower...
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    A ducted dehumidifier can be combined with...

    A ducted dehumidifier can be combined with humidifier with a supply and return to the open part of the home and basement. These whole house dehumidifiers have enough fan power connected to...
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    You may need a dehumidifier and a humidifier. ...

    You may need a dehumidifier and a humidifier. The whole house dehu located in the basement with a supply to the basement is good option. A heavy duty free standing dehu like the Santa Fe Compact...
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    Yes, it is high but do want the a/c to cycle half...

    Yes, it is high but do want the a/c to cycle half as much increase the dead band. 2-3^F is minimal.

    2. Yes, run longer is better for many reasons, right.

    3. Any kind of fresh air ventilation?...
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    To the novice, over cooling to control humidity...

    To the novice, over cooling to control humidity makes sense. To a small extent, it does, but is not an effective method of maintain low %RH in a space during low/no cooling loads.
    For the...
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    Why not widen the dead band of your t-stat to...

    Why not widen the dead band of your t-stat to 3-5^F. This would decrease the cycles per hour. Also I would raise the temperature when the home is unoccupied to get you a long run to get a long run...
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    Consider that all homes breathe to some extent...

    Consider that all homes breathe to some extent when the wind blows and heat air rises. As the wind calms and when the outdoor temps moderate, the air change declines. Also the outdoor dew points...
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    Something else is going on. Think about trying to...

    Something else is going on. Think about trying to keep the ducts damp with moisture on the coil. Unless the equipment is colder than the dew point of the air, drying occurs during the off cycle. ...
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    Mold grows whenever a surface is damp for more...

    Mold grows whenever a surface is damp for more than 24 hours. The sad truth is to many a/c do look this. None have to. This makes sensitive occupants sick and houses smell like basements.

    Fan...
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    On a btus per watt basis, higher suction pressure...

    On a btus per watt basis, higher suction pressure moves more btus per watt. If you raise the suction pressure 5^F, in some systems the efficiency may improve 5%. Typically, raising evap pressure or...
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    I believe that typically, few check the a/c coil...

    I believe that typically, few check the a/c coil temp on start up or equipment modification. They take what they get and wait for user comment or complaint. We hear from many that they have 45% RH...
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    Both the C and T are engineering marvels. I have...

    Both the C and T are engineering marvels. I have monitored one for several years. It is unable to maintain <50%RH during low/no cooling loads. The damper to the lower level are all closed, yet the...
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