Does A Dehumidifier Use A Lot Of Electricity

Does A Dehumidifier Use A Lot Of Electricity

The energy consumption of a dehumidifier is quite minimal. A typical little 30-pint dehumidifier consumes 300W of power. A dehumidifier uses less electricity than a water heater, air conditioner, or hairdryer.

Check out our best pick dehumidifier Whynter 50 Pint Dehumidifier.

 

Does A Dehumidifier Use A Lot Of Electricity

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Does A Dehumidifier Use A Lot Of Electricity
Does A Dehumidifier Use A Lot Of Electricity

Does A Dehumidifier Use A Lot Of Electricity

The modern dehumidifiers are a lot more energy efficient and do not use a lot of electricity. In fact dehumidifiers use less electricity compared to an air conditioner.

How Does A Dehumidifier Work
How Does A Dehumidifier Work

How Does a Dehumidifier Work?

Dehumidify or dehumidification

This means to pull out or remove the water vapor from the air. Dehumidification is the process of eliminating atmospheric moisture in various ways. The basis of mechanics of dehumidifiers is the chosen method

There are two types of dehumidifiers. A refrigerant and a desiccant dehumidifier. 

Refrigerant dehumidifier 

A refrigerant dehumidifier uses pretty much the same mechanism as your home refrigerator. A cold metal plate on which moisture from the air condenses cools the air that comes in contact. A fan draws the room air over to the cold coil(s).

The liquid water droplets that form during this process drip into a water tank in the dehumidifier. The relative humidity in the room/home goes down to normal levels. The unit will then turn to standby.

Refrigerant dehumidifiers are most effective at typical room temperatures. I have noticed that their performance declines when conditions are cooler. This decline in efficiency is because ice crystals form on the metal cooling plates.

I have also noticed that once the temperature falls below 65°F/18°C, there is remarkable inefficiency. After this point, you need a higher-performing unit which tends to push up the price. So if you need a dehumidifier to use in a room with low temperatures, this may not be the best option.

Desiccant dehumidifier

Desiccant, or absorption dehumidifiers use a desiccant to absorb water from the air. A desiccant is a material that absorbs water. You’ve likely seen a small pack of crystals labeled “silica gel.” You find them in boxes, cameras, computers, and other gadgets.

How Does It Work? A desiccant in a dehumidifier works as follows:

A wheel made of desiccant spins through the incoming air stream and absorbs moisture. A part of the wheel passes through a stream of heated air throughout the rotation cycle. This “reactivates” the desiccant by removing moisture.

The condensed water is then collected in the dehumidifier’s collection tank. Otherwise it empties out through a hose. This type of dehumidifier is often smaller and lighter than refrigerant dehumidifiers. Most desiccant dehumidifiers are portable units.

The advantage of a desiccant dehumidifier is that it can work at lower temperatures. You might want to consider this model if you’re looking for a dehumidifier for a very cool space. , such as a garage or workshop.

Cost To Run A Dehumidifier Calculator

Calculator

Enter the dehumidifier amps and cost per kwh and click the CALCULATE BUTTON.
For example, 2 amps and 0.10 or ten cents per kwh for the cost of electricity.


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When looking into buying a dehumidifier and you want to use less electricity, a larger dehumidifier is cheaper. Smaller dehumidifiers use more electricity because they have to run longer. A larger dehumidifier will work a lot faster at removing moisture.

A larger dehumidifier is cheaper to run as compared to smaller one.

Brand NameSizeCost Example – ElectricCost Per Pint
Examples(Pints)(8 hrs a day for 1 month) 
LKNJLL Small DehumidifierSmall2.59 
Ivation 13 Pint Dehumidifier13 Pint11.26$0.87
Meaco 17 Pint Dehumidifier17 Pint15.55$0.91
COLZER 50 Pint Dehumidifier50 Pint9.22$0.18
Honeywell 70 Pint Dehumidifier70 Pint27.36$0.39
Honeywell 90 Pint Dehumidifier90 Pint15.26$0.17
Aprilaire 95 Pint Dehumidifier95 Pint23.04$0.24
BlueDri 150 Pint Dehumidifier150 Pint21.02$0.14
CADPXS 180 Pint Dehumidifier180 Pint16.99$0.09
Best Energy Efficient dehumidifiers
Best Energy Efficient dehumidifiers

Best Energy Efficient dehumidifiers

It costs about $11.26 to run a Ivation 13 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: Ivation 13 Pint Dehumidifier
Area: around 200 to 400 sq ft.
Features: Desiccant, Lightweight, User Friendly, Multiple Drainage Options
Suited for: Closet, RV,  Washroom, Small Room, Kitchen, Bathroom, and more
Estimated Cost To Operate
Current in amps3.91Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.191.315.63
Watts469.280.372.6311.26
Kilo Watts0.47120.563.9416.89
Cost kWh0.10160.755.2522.52
Cost per Hr0.047241.137.8833.78

It costs about $15.55 to run a Meaco 17 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: Meaco 17 Pint Dehumidifier
Areaaround 200 to 400 sq ft. 
Features: Desiccant, Unique Design, Continuous Drain
Suited for: Closet, RV, Small Room, Kitchen, Bathroom, and more
Estimated Cost To Operate
Current in amps5.4Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.261.817.78
Watts64880.523.6315.55
Kilo Watts0.65120.785.4423.33
Cost kWh0.10161.047.2631.10
Cost per Hr0.065241.5510.8946.66

It costs about $9.22 to run a COLZER 50 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: COLZER 50 Pint Dehumidifier
Area: around 600 to 1200 sq ft.
Features: Drain Hose, Continuous Drainage, 3 Modes, Easy to Operate, Portable, Dry Mode
Suited for: Room, Bedroom, Garage, Basement, and more
Estimated Cost To Operate
Current in amps3.2Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.151.074.61
Watts38480.312.159.22
Kilo Watts0.38120.463.2213.82
Cost kWh0.10160.614.3018.43
Cost per Hr0.038240.926.4527.65

It costs about $27.36 to run a Honeywell 70 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: Honeywell 70 Pint Dehumidifier
Area: around 800 to 1600 sq ft.
Features: Energy Star, Smart, Easy to Use, Easy to Maintain, Save Energy, Save Money 
Suited for: Basement, Garage, Warehouse, Whole House, and more
Estimated Cost To Operate
Current in amps9.5Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.463.1913.68
Watts114080.916.3827.36
Kilo Watts1.14121.379.5841.04
Cost kWh0.10161.8212.7754.72
Cost per Hr0.114242.7419.1582.08

It costs about $15.26 to run a Honeywell 90 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: Honeywell 90 Pint Dehumidifier
Area: around 1200 to 2600 sq ft. 
Features: Compact, Energy Star, Built In Humidity Control, 
Suited for: Basement, Garage, Warehouse, Whole House, and more

Estimated Cost To Operate
Current in amps5.3Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.251.787.63
Watts63680.513.5615.26
Kilo Watts0.64120.765.3422.89
Cost kWh0.10161.027.1230.53
Cost per Hr0.064241.5310.6845.79

It costs about $23.04 to run a Aprilaire 95 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: Aprilaire 95 Pint Dehumidifier
Area:  around 1200 to 2600 sq ft. 
Features: Compact, Efficient, Easy to access, Low Maintenance
Suited for: Basement, Garage Crawl Space, Whole House, Industrial Use, and more
Estimated Cost To Operate
Current in amps8Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.382.6911.52
Watts96080.775.3823.04
Kilo Watts0.96121.158.0634.56
Cost kWh0.10161.5410.7546.08
Cost per Hr0.096242.3016.1369.12

It costs about $21.02 to run a BlueDri 150 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: BlueDri 150 Pint Dehumidifier
Area: around 2600 to 3500 sq ft.
Features: Convenient, Water Damage Restoration, Water Extraction Capability 
Suited for: Basement, Crawl Space, Whole House, Industrial, Commercial, Garage, and more
Estimated Cost To Operate
Current in amps7.3Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.352.4510.51
Watts87680.704.9021.02
Kilo Watts0.876121.057.3631.54
Cost kWh0.10161.409.8142.05
Cost per Hr0.0876242.1014.7263.07

It costs about $16.99 to run a CADPXS 180 Pint Dehumidifier for 8 hours a day for 1 month.

Brand and Size: CADPXS 180 Pint Dehumidifier
Area: around 2600 to 3500+ sq ft. 
Features: App Control, Compact, Portable, Smaller Size, Larger Industrial Dehumidifier
Suited for: Basement, Crawl Space, Whole House, Industrial Use, and more

Estimated Cost To Operate
Current in amps5.9Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.281.988.49
Watts70880.563.9616.99
Kilo Watts0.708120.855.9525.49
Cost kWh0.10161.137.9333.98
Cost per Hr0.0708241.6911.8950.97

It costs about $7.2 to run a BlueDri BD-AS-550-BL Airbourne Cleaner for 8 hours a day for 1 month.

Brand and Size: BlueDri Airbourne Cleaner
Area: around 200 to 800 sq ft
Features: Air Purifier, Low Pressure Drop, Superior Efficiency, High Dust Holding Capacity
Suited for: Whole House, Construction Sites, Sewage Remediation, Water and Fire Damage Restoration
Estimated Cost To Operate
Current in amps2.5Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.120.843.60
Watts30080.241.687.20
Kilo Watts0.3120.362.5210.80
Cost kWh0.10160.483.3614.40
Cost per Hr0.03240.725.0421.60

It costs about $23.62 to run a MIDEA 10000 BTU for 8 hours a day for 1 month.

Brand and Size: MIDEA Dehumidifier 10000 BTU
Area: around 400 sq ft. 
Features: Fast Cooling, Innovative Features, Easy Installation, Energy Efficient
Suited for: Room, Office, Bedroom, Apartment, School, and more
Estimated Cost To Operate
Current in amps8.2Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.392.7511.81
Watts98480.795.5123.62
Kilo Watts0.984121.188.2635.42
Cost kWh0.10161.5711.0247.23
Cost per Hr0.098242.3616.5370.85

It costs about $11.52 to run a MIDEA 12000 BTU Dehumidifier for 8 hours a day for 1 month.

Brand and Size: MIDEA Dehumidifier 12000 BTU
Area: around 500 sq ft. 
Features: Fast Cooling, Innovative Features, Easy Installation, Fresh Air Vent Control 
Suited for: Room, Office, Bedroom, Apartment, School, and more
Estimated Cost To Operate
Current in amps4Time On (Hrs)Cost EstimateCost EstimateCost Estimate
Voltage120 DailyWeeklyMonthly
Power Factor140.191.345.76
Watts48080.382.6911.52
Kilo Watts0.48120.584.0317.28
Cost kWh0.10160.775.3823.04
Cost per Hr0.048241.158.0634.56

To get the best energy efficient dehumidifier and the right information, visit Cost to run a dehumidifier.