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Occupant Safety
CONDENSATION
Just as moisture collects outside of a glass of cold water
during humid weather, moisture can condense on the inside
surfaces of the RV during cold weather when relative humidity
of the interior air is high. This condition is increased because
the insulated walls of a RV are much thinner than house
walls. Estimates indicate a family of four can vaporize up to
three gallons of water daily through breathing, cooking, bath-
ing and washing.
Unless the water vapor is carried outside by ventilation, or
condensed by a dehumidifier, it will condense on the inside of
windows and walls as moisture, or in cold weather as frost or
ice. It may also condense out of sight within the walls or the
ceiling where it will manifest itself as warped or stained pan-
els. Appearance of these conditions may indicate a serious
condensation problem. When using your RV, you should at all
times take necessary action to minimize the effects of exces-
sive moisture and condensation.
Tips to controlling condensation
To avoid condensation problems, try to follow these tips to
help alleviate excess moisture.
• Allow excess moisture to escape to the outside when
bathing, washing dishes, hair drying, laundering and
using appliances and non-vented gas burners.
• Keep the bathroom door closed and roof vent opened
(if equipped, exhaust fan on) when bathing/showering
and for a period of time after you have finished.
• When cooking, always operate the range hood fan.
Cooking releases heat and moisture that can quickly
result in condensation in your RV; operating the range
hood fan can be effective in removing both.
• Do not hang wet clothes in the RV to dry.
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