Most dehumidifiers need warmer air to work properly. The temperature in a basement is usually 60 - 65F; too cool for standard models. You could buy a "basement" dehumidifier. They're designed to work at lower temperatures; some as low as 40 F. Costs are about the same as a standard dehumidifier; you just have to find it.
For a cheap fix, try this; it seems to be working for me.
Since the condensate coil (the one icing up) is cold, the air entering it is too cool and the condensate frosts up the coil. Additional condensate freezes to the frost and before you know it, you've got a block of ice. Since the air coming out of the front is very warm take a large piece of cardboard around 6' x 3') and form a V. Placed it in front of the dehumidifier so it channels some of the warm air back to the rear where it warms the moist air up before it hits the cooling fins. It's helped keep the ice down.
If you want something attractive, any screen that redirects some of the air back to the rear will work. Just leave the top open so it doesn't get too hot and the some of the drier air gets out into the room.
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I understand that your Frigidaire dehumidifier, model# LAD704TDL, is not reducing the humidity, due to the coils constantly freezing up. I also see that it is located in good temperatures and in a good position. I suggest contacting the manufacturer directly. They should be able to point you in the right direction to having your appliance fixed. Hope this is helpful.
Assuming this isn't just a weather change, it probably needs cleaning. The unit is supposed to run the fan without the compressor intermittently to give the cold coils a chance to warm up a bit so the little bit of ice that normally forms can melt off. But once they get dirty, this melting and runoff is impeded. Spray some formula 409 (or similar) on the coils and rinse thoroughly. It is also possible that the unit is not switching over to run the fan only (without the compressor). This could be due to a bad temperature sensor, or it may be dirty or corroded so it thiinks the coils are a bit warmer than they really are. If you can find this sensor (it's usually attached to the coils with a little spring clip) see if you can't clean up where it makes metal contact (thermal contact) witht the coil. Good luck.
The most common cause of frost and ice buildup on a dehumidifier is
because the unit is operating in temperatures that are too cold. Many
dehumidifiers are not equipped to run at temperatures below 65 degrees
Fahrenheit. To fix this problem, Position the dehumidifier in an area where there is at least one foot of
clearance around the unit in order to allow for proper air circulation
during its operation. Close all windows, doors and other outside
openings to make sure your unit isn't attempting to remove moisture from
areas outside of the immediate room. Determine the temperature of the room by checking a nearby thermostat or
by using a hand-held thermometer.
Check the filter for dirt and buildup. Unplug the unit from the
electrical source and check the filter by opening the filter
compartment. If the filter is dirty, it will restrict airflow through
the unit and lead to freezing. Soleus recommends lightly vacuuming the
surface of the filter to remove dirt. The filter also can be washed in
warm water if it is extremely dirty. Once clean, place the filter back
in its compartment. Allow for the ice to melt and then restart your
Yes. Wet clothing would act to put Humidity in the air. think of the air as a sponge the more you heat the air the more the air will take moisture out of its surrondings. The more you cool the air the less moisture it can hold.
a Dehumidifier is a reverse refrigrator.. Air is forced over cool coils and the moisture forms and freezes on the coils (ice). The unit turns off and the coil and ice takes heat up from the surrounding area (makes room colder;Clothing takes longer to dry; The temperature in that room should be were people reside 70-80 degrees). the ice melts and water drips into a holding container which you dump periodically. Solution: 1. remove wet clothing or 2. raise temperature in room. 3. put a space heater in that room instead of Dehumidifier
A dehumidifier works by cooling the metal pipes on the back of the unit to create condensation (water vapor in the air). This then drips into the collector bucket. If the unit runs too long the cooling tubes can get too cold and freeze the condesing water vapor. Unplug the dehumidifier and let the ice melt, when u turn it back on, turn it down, it may be up too high. If you find this solution helpful please rate it.