Haier CJ30M 30 Pint Mechanical Dehumidifier

Haier CJ30M 30 Pint Mechanical Dehumidifier

• Eco-Friendly Refrigerant
• ROHS Compliant Free of Lead and Mercury
• Trouble-Free Drain Connect Front Water Bucket for Easy Access
• Automatic Humidistat Control
• Auto Defrost and Shut Off

Haier 35 Pint Mechanical Dehumidifier Earth Friendly Refrigerant R-410A RoHS Compliant: Free of Lead & Mercury Trouble-Free Drain Connect Front Water Bucket for Easy Access Automatic Humidistat Control Auto Shut-Off Auto Defrost Bucket Full Indicator

List Price: $ 159.00

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Question by Max: How do dehumidifiers work?

I understand that dehumidifiers are basically refrigeration cycles. They have a compressor that goes to a condenser and then an evaporator. What I’m wondering is if home dehumidifiers have an expansion valve. How does the fluid get from hi pressure back down to low? Is that energy lost through the condensation process on the evaporator?

Best answer:

Answer by Ecko
A dehumidifier is very similar to an air conditioner, though it may be smaller. The idea is to cool the air below dew-point, so the water vapour is drawn off as condensate. The whole room isn’t cooled below dew point, just the air passing the evaporator. As the air in the room continually passes through the evaporator, the water vapour is gradually removed. The unit is a heat pump. It pumps heat from the air it is cooling into the outside air, using energy to operate the pump. Internally, yes there is some sort of expansion valve. Typically it takes about one third of the energy in the heat pumped outside to operate the pump. I guess some of this heat could be recovered by using it to heat water.

Air conditioners dehumidify too, as the evaporator is usually below dew point at around 5 degrees C. The condensate is drained to the outside. If there are clouds of vapour in front of the evaporator that is because the capacity is high enough that the air in front is chilled, so condensation takes place in the chilled air around the evaporator, not just on the evaporator surface.

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Danby DDR4010E 40 Pint Room Dehumidifier With a 2,500 Sq. Ft. Coverage Area

• Features a 40 pint (18.9 liter) capacity per 24 hours
• Effective in areas up to 2,500 square feet depending on the conditions
• Removes excess moisture and can help maintain your indoor humidity at a desired level
• Features a front mounted water tank that is removable for easy emptying
• You?ll always know when to empty the unit because it also includes a full bucket indicator light

The Danby DDR4010E room dehumidifier features a 40 pint (18.9 liter) capacity per 24 hours and is effective in areas up to 2,500 square feet depending on the conditions. Excessively high moisture levels in your home can damage you possessions and pro

Rating: (out of 1 reviews)

Price: $ 151.12

Danby 60-Pint Dehumidifier with Remote

• 60-pint capacity dehumidifier – Ideal for medium sized spaces
• Low-temperature operation — To 41 degrees F
• Adjustable humidity settings — Offers touch-button control of humidity level
• Removable air filter — Easy to remove and clean to maintain optimal performance
• Auto defrost, bucket full indicator and auto-off, two fan speeds, electronic controls

60-pint capacity dehumidifier offering adjustable humidity settings, two fan speeds, and low-temperature operation. Worry-free and energy efficient operation.

Rating: (out of 1 reviews)

List Price: $ 219.99

Price: $ 262.85