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--- hvac:dehumidifier [2017/06/10 14:15]
frater_secessus [Reducing humidity]
+++ hvac:dehumidifier [2020/10/11 19:48]
@@ Line 1: / Line 1: @@
-====== Excessive humidity ======
-Excessive humidity causes multiple problems for RVers:  mold/mildew, damage to electronics from water condensate, discomfort, and diminution of insulative properties of items like sleeping bags.
-Common causes of high humidity / condensation include:
-  * living fulltime in the RV
-  * humid weather
-  * propane appliances
-===== Reducing humidity =====
-[[http://amzn.to/2h8QeIO|{{ https://images-na.ssl-images-amazon.com/images/I/41j242B4RdL._AC_US160_.jpg}}]]Humidity due to constant habitation can be reduced with increased ventilation, as with [[hvac:roof vent|roof vent]].
-Humidity due to use of propane can be reduced with increased ventilation and the use of more efficient propane appliances.
-In some cases [[http://amzn.to/2h8QeIO|a dehumidifier]] may be necessary.  Bitty recommends [[http://amzn.to/2gWtXyB|the Eva-dry Edv-1100]].((http://www.cheaprvliving.com/forums/Thread-Condensation-AGAIN?pid=109733#pid109733)) Some users drain the receptacle into a sink or other drain.((http://forums.sailboatowners.com/index.php?threads/12v-dehumidifier.167895/#post-1170395))
-Eva-Dry confirms the [[https://www.eva-dry.com/dehumidifiers/edv-12v-power-cord/|12v adapter for this model]] passes 12v and not 9v;((https://boondockplan.wordpress.com/2016/12/06/eva-dry-12v-humidifadapter/)) this should make it easier to wire from [[electrical:12v:intro|house power]].
-Peltier devices are power-hungry and run constantly; the dehumidifier might best be used as an [[electrical:solar:nonessential|opportunity load]].
-Video:  [[https://www.youtube.com/watch?v=_hH-8KqQtys|teardown of a typical peltier dehumidifier]]
-A "sacrificial window" may work as an unpowered option.((http://www.cheaprvliving.com/forums/Thread-Condensation-AGAIN?pid=109944#pid109944))

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