effiworkx website site logo

Dehumidifier power consumption and electricity cost

A dehumidifier is an air conditioning device used to reduce and maintain the humidity level in the air.

The dehumidifiers are used at home to remove the excess humidity and thus prevent the growth of mildew or fungi.

How much power does a dehumidifier use

Depending on the model, an electric dehumidifier can use between 20 and 500 Watts.

If you want to know how much power your dehumidifier use, this information can be found on the dehumidifier’s specifications label or by searching it on the manufacturer’s website.

dehumidifier power consumption

Alternatively, if you are considering buying a new electric dehumidifier, that wattage can be found online by browser search. 

Just browse for the dehumidifier’s model followed by ‘wattage’ or ‘ power consumption.

Electric dehumidifier search results

For example, according to its specifications label, this dehumidifier consumes 0,023 Kilowatts per hour (kWh). 

0,023 kWh x 1000 = 23 Watts

How to calculate power from voltage and current

If you only know the voltage and current of your dehumidifier, you can calculate the power consumption, in Watts, using the calculator below.


For more information about Power, Voltage and Current, scroll down to the ‘Electricity Measurement Units’ section.

Dehumidifier electricity cost calculator

Once you know the power consumption, the calculator below can estimate the power consumption and the electricity cost of an electric dehumidifier over time.

You need to adjust the values in the PARAMETERS section to your requirements, and the calculator will automatically display the RESULTS section. 


For example:

> If your dehumidifier has a power rating of 320 Watts

> You use it for 10 hours a day for 120 days per year

> If you are paying 0,217 euros (or dollars or pounds, or…) per every kWh you consume 

You will be paying around 83 euros per year for electricity costs.

How much does electricity cost?

If you don’t know how much you are paying per kWh, you should be able to find the cost per kWh on your electricity contract or in one of the electricity bills.

how much does electricity cost

Alternatively, if you don’t have access to your contract or electricity bills, this website shows the electricity cost per country.

Home appliances and devices electricity calculators

A few other examples from our ‘Electricity usage and electricity cost calculators‘ page that may be of your interest:

Dehumidifier electricity usage monitor

Suppose you want to know the exact electricity usage of an air conditioner. In that case, your best option is to use a plug in power meter to measure the exact power consumption and electricity cost. 

Clicking on the image below will redirect you to the Amazon page where you can look at the specifications of the power meter we use for our measurements.

plug in power meter

Our house appliances and devices like the washing machine, the dishwasher, the TV, or the printer are plugged into a wall socket. 

So, with a power consumption meter, we can determine how much electricity our appliances or devices are using, and, more importantly, we can measure the electricity usage over time.

If you want to find out how to use a plug-in power meter to measure your electricity usage and electricity cost, look at this YouTube video.

Plug in power meter

Dehumidifier electricity usage FAQ

Do dehumifiers use much electricity?

The electricity usage of a dehumidifier depends on its power consumption.

A small dehumidifier will use around 20 Watts, while a large dehumidifier will use around 500 Watts. 

A dehumidifier with low wattage will use little electricity, and a dehumidifier with high wattage may use a lot of electricity.

Does running a dehumidifier use a lot of electricity?

In the ‘Electricity cost calculator’ section we have made available a calculator that can be used to calculate the daily electricity usage of a dehumidifier. 

A dehumidifier will use a lot of electricity if it has a high wattage and it is running for long periods. 

Electricity measurement units

Not everybody is familiar with terms like Watts, Kilowatts, or Kilowatt hours, so if you would like to learn more about them, look at this YouTube video we have prepared about this topic.

What is a Kilowatt hour (kWh)

Electricity measurement units calculators

Or you can have a look at these electricity measurement units calculators to get a better understanding of:

> What is a Watt (W) and how do transform Watts into Kilowatts

> What is a Kilowatt (kW) and how to transform Kilowatts into Kilowatts hour

> What is a Kilowatt hour (kWh) and how do transform Kilowatts hours into other units

> What are Power (P), Voltage (V), and Current (I)

Watt (W)
Watt (W) wattage calculator
Kilowatt (kW)
Kilowatt (kW) calculator
Kilowatt hour (kWh)
Kilowatt hour (kWh) calculator
Power, voltage, current
Power, voltage, current calculator

Dehumidifiers and energy conservation

Energy conservation can be defined as the decision and the act of using less energy.

Energy conservation both benefit you and the environment

The act of saving and conserving electricity does help you because you will be paying less for your energy bills. 

And it also benefits the environment because conserving electricity prevents unnecessary waste of natural resources.

At the individual level, it may not look worth trying to save a few watts here or there. 

Still, every little count and if hundreds or thousands of us save a little every time, it will make an essential contribution towards conserving our natural resources.

Energy conservation calculator

If we could reduce the electricity usage of our dehumidifiers, even a minimal amount, it would significantly impact preserving our natural resources.


For example, if 9000 households save as little as 10 Watts per day (0,01 kWh) in dehumidifiers electricity usage, that would add to 32850 Kilowatt hours (kWh) saved per year. 

9000 households x 0,01 kWh per day x 365 days per year 

32,850 kWh saved per year

That is a considerable amount of electricity, but let’s add additional perspectives for clarity:

> Assuming an average cost of 0,18 euros (or dollars, pounds, or any other currency) per kWh, we would collectively save nearly 6000 euros annually.

> To produce 32,850 kWh of electricity it is necessary to use around 17 metric tons of coal or 56 barrels of residual fuel oil.

Look at this page for more information about the number of resources needed to produce electricity.

In any case, it is clear that small energy savings do really count when looking into the bigger picture.

Proven ways to save electricity at home

If you are looking for ideas to save electricity at home, watch this YouTube video where we show some useful tips to reduce electricity usage at home and decrease the electricity bill. 

How to save electricity at home
How to save
How to save
How to earn
How to earn


Effiworkx blog

Dishwasher Vs Hand Washing
How to save electricity

Dishwasher Vs Hand Washing

What does save more electricity, water, time and effort, washing the dishes by hand or using a dishwasher?
There is no need to guess… let us show you what are our results and conclusions.

Read More »

This site contains affiliate links and we will earn an affiliate commission for any purchase you make, without any cost to you. 

All content found on this website is intended for informational and educational purposes only.

For more information, read the ‘terms of use‘ and ‘disclaimer‘.

The content is not intended to be a substitute for professional advice or consultation.

© 2022 Effiworkx. All rights reserved