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Old 02-07-19, 08:27 AM   #2
stevehull
Steve Hull
 
Join Date: Dec 2012
Location: hilly, tree covered Arcadia, OK USA
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I am a big believer in ERVs. Condition the house and an ERV allows ventilation without pulling in humidity.

In central Oklahoma, where I live, May and June have oppressive humidity. The below suggestions allow me to keep house humidity below 55%.

A good dehumidifier can lower humidity, but watch out for dryers in the conditioned space. They suck out 300-600 ft3 per minute. That will evacuate a house of conditioned inside air with just one dryer run.

1) Button up house (to reduce air infiltration)
2) use a good dehumidifier or properly sized AC unit) - or both
3) install ERV that runs at low speed (20-40 ft3/min) all the time
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consulting on geothermal heating/cooling & rational energy use since 1990

Last edited by stevehull; 02-07-19 at 08:37 AM.. Reason: clarity
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