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Why do dehumidifier freeze up?

Updated: 9/17/2019
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Q: Why do dehumidifier freeze up?
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Do I need to add anything besides water to a Dehumidifier?

Only water should be put into a dehumidifier. If you try to add anything else to it, you might end up ruining the dehumidifier.


What is the purpose of a dehumidifier?

The dehumidifier removes excess humidity from the air.


Should you run dehumidifier and central air at same time?

It is okay to run a dehumidifier and central air at the same time. This will help keep the costs down for the air conditioner. If the dehumidifier is running, the air temperature will cool off quicker and the air conditioner can be turned up a little higher.


How often should I clean my dehumidifier?

Dehumidifier should be cleaned yearly. Proper maintenance is important for the dehumidifier to work properly. anonymous@oola.com


What causes a dehumidifier to freeze up?

A dehumidifier is a refrigeration system just like you home fridge or an air conditioner. The evaporator coil cools the air as the air is blown through the coil. This lowers the temperature of the air and thus decreases it's ability to hold water vapour. The water vapour condenses in the cooler air and drops out lowering the overall humidify of the air. When the air flow is restricted or too cool or the humidity is extremely high the water is not carried off of the coil and it condenses on the coil and then if the coil is cool enough the water will freeze forming ice. It is a simple matter to fix, just shut off your dehumidifier, let the ice melt and then put it back in service again.


How do you connect LG dehumidifier to drain?

connecting hose drain to lg dehumidifier


Can you get a dehumidifier attached to your furnace?

Yes. Do a search for "whole house dehumidifier."


Why does low freon cause ice formation on a dehumidifier?

There is ice on the dehumidifier coil because it is low on freon. When there is not enough freon in a refrigeration system the inlet pressure to the compressor is lower than design due to lack of gas. Because it is at a low pressure the freon is very cold. This causes freeze-up. If You were to add freon to the running dehumidifier you would see the cold coil thaw, first at the end closest to the compressor suction and then work toward the other end of the coil. When the thaw reaches the other end of the cold coil it has enough freon and no more need be added. Tim Koller


Is it safe to run a Dehumidifier when I am not home?

A dehumidifier should be monitored when used to prevent a fire hazzard.


What is the starting price of a dehumidifier ?

A dehumidifier can cost between $52 to $185. Depends on the brand and the size of it.


How do you put freon in a ge dehumidifier?

You have to add a valve to the dehumidifier in order to put Freon in a GE dehumidifier. The reason you have to add the valve is because dehumidifiers uses a sealed unit.


What is the difference between humidifier and dehumidifier?

A humidifier makes the air fresher, While a dehumidifier removes a fresh smell. A house would use a a humidifier and a museum would use a dehumidifier