 Posted 10/20/2005 4:41:32 PM
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| We live in a tight home with very high humidity, particularly in the winter when condensation on our floor to ceiling windows will actually form puddles on the floor every morning. We have very limited space available and I would like to install a unit in the return air duct just before it meets the air handler of our HVAC system. There is about a 24hx30wx36l (approximate) section of duct exposed in our mechanical closet which is close to the roof and also close to the drain line to feed the condesate. Can your systems be installed in a (or in place of ) a return air duct?
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Posted 1/2/2007 5:40:40 PM
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"We live in a tight home with very high humidity, particularly in the winter when condensation on our floor to ceiling windows will actually form puddles on the floor every morning."
Resolving indoor humidity problems in an air tight home require a combination of solutions. Dehumidification reduces moisture in the air which that is results from moisture from the occupants and moisture infiltration from outside during wet weather. When the outdoor moisture drops below a 40^F dew point, natural infiltration removes the moisture from the occupants. Winter condensation is indication of a lack of fresh air infiltrating the home. Tight homes require cubic feet per minute(cfm) of fresh air to purge the indoor pollutants, replace oxygen. During winter when the fresh air is dry, the excess inside moisture is removed by the air change. Tight homes require 50-75 cfm mechanical ventilation all year for health. During the damp times of the year, dehumidify to maintain <50%RH. Back to your question-our units are too large to install in a return duct. The air flow is less than that required to operate a heating/cooling system. Suggest fresh air inlet to the dehumidifier and discharging the air from the dehu into the supply side of a/c-heating system. There are other possibilities. 800 533 7533 ext 7803 Thanks Ken
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