A dehumidifier is an air conditioning device which it is use to reduce and maintain the humidity level in the air.
The dehumidifiers are used at home to remove the excess of humidity and thus prevent the growth of mildew or fungi.
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Depending on the model, an electric dehumidifier can use between 20 and 500 Watts.
If you want to know how much power does your dehumidifier use, this information can be can be found on the dehumidifier’s specifications label or by searching from it on the manufacturer’s website.
Alternatively, if you are considering to buy a new electric dehumidifier, that wattage can be found on the internet by browser search.
Just browse for the dehumidifier’s model followed by ‘wattage’ or ‘ power consumption’.
For example, according to it’s specifications label, this dehumidifier consumes 0,023 Kilowatts per hour (kWh).
0,023 kWh x 1000 = 23 Watts
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.
Once you know the power consumption, the calculator below can be used to estimate the power consumption and the electricity cost of an electric dehumidifier over a period of time.
You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.
> If you dehumdifier 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 euro (or dollars or pounds, or…) per every kWh you consume
You will be paying around 83 euro per year in electricity costs.
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.
Alternatively, if don’t have access to your contract or your electricity bills, this website does show the electricity cost per country.
A few other examples from our ‘Electricity usage and electricity cost calculators‘ page that may be of your interest:
If you want to know the exact electricity usage of an air conditioner, 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 it will redirect you to the Amazon page where you can have a look to the specifications of the power meter we use for our measurements.
All of our house appliances and devices like the washing machine, the dishwasher, the TV or the printer are plugged to 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 a period of time.
If you want to find out how you can use a plug in power meter to measure your electricity usage and electricity cost, have a look to this YouTube video.
The electricity usage of a dehumidifier depends on it’s 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 quite a bit of electricity.
On the ‘Electricity cost calculator’ section we have made available a calculator that can be use 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 of time.
Not everybody it is familiar with terms like Watts, Kilowatts or Kilowatt hours so if you would like to learn more about them, have a look to this YouTube video that we have prepared about this topic.
Or you can have a look to this electricity measurement units calculators to get a better understanding of:
> What is a Watt (W) and how to 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 to transform Kilowatts hours to other units
> What are Power (P), Voltage (V) and Current (I)
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 benefit you because you will be paying less on your energy bills.
And it also does benefit the environment because conserving electricity prevents any unnecessary waste of natural resources.
Now, at individual level it may not look worth to try to save a few watts here or there.
Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.
If we could reduce the electricity usage of our dehumidifiers, even a very small amount, it would make a big impact on preserving our natural resources.
For example, if 9000 households would manage to save as little as 10 Watts per day (0,01 kWh) in dehumidifiers electricity usage, that would add to 32850 Kilowatt hour (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 euro (or dollars, or pounds, or any other currency) per kWh, we would collectively be saving nearly 6000 euro per year.
> 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.
In any case it is clear that small energy savings do really count when looking into the bigger picture.
If you are looking for ideas to save electricity at home, have a look to this YouTube video were we show some useful tips to reduce the electricity usage at home and decrease the electricity bill.
Buying an energy effcient appliance or device is going to save electricity, water and decrease your energy and water bills, but at what prize?
Find out if you have paid a reasonable prize for that efficient device or appliance.
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