Monday, 9 March 2026

Dehumidifier Running Costs: How Much Electricity Does it Use?



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Are you worried about your energy bills when running a dehumidifier? In this video, I use a plug-in power monitor to show you the exact wattage of three different models: the Meaco Arete Two 12L, the Meaco Arete One 6L compressor model, and the Meaco DD8L desiccant dehumidifier. I break down the cost per hour based on current UK electricity prices (24p to 28p per kWh) and explain why a dehumidifier is significantly cheaper than using a tumble dryer for your laundry. Whether you are in a student flat or a family home, these real-world dehumidifier tests will help you decide which model is the most budget-friendly for your space.

Dehumidifier Running Costs: How Much Electricity Does it Use?



TRANSCRIPT: (CLICK PLAY ON THE VIDEO ABOVE)

THIS IS THE TRANSCRIPT - CLICK PLAY ON THE VIDEO ABOVE!

This isn't hugely scientific, but I've got this device that measures how much power a device uses. Should be able to see how many watts it draws. Now, this is going to be different depending on all kinds of different situations. And you've seen the relative humidity is about 64%. And you can see that it's drawing about 5 watt. To me, that's incredible. I actually think it's sampling at the moment. I don't think it is uh five watts. Oh, here we go. I just heard the compressor kick in. Let's have a look now. There we go. 113W. So, I can hear that the compressor is working. The fan is going and it's on it's on normal dehumidifier mode and that is running at about 114W. If we want to translate that into a cost, I'll put this on screen. My energy bills at the moment are 24p per kilowatt hour. So if I ran this at 100 watts for 10 hours, that would cost me 24p. Uh but it wouldn't be running all the time because you might hit the target humidity. Um there might be time in there where it's sampling. I might even put it into uh a higher mode to dry some laundry. But just to give you a rough ballpark figure, it's about 24p for about half a day. I have got all the dehumidifiers in the house in this room. Let's move the camera back because over here I've got my Arete Two 12L. So, should we compare? Should we see how that compares? And instantly you can see the number of watts that my 12L Arete Two dehumidifier uses is 142W. Your circumstances will definitely vary, but the 12L, the much bigger 12L dehumidifier uses 143W when it's first plugged in. So, this dehumidifier, the 12L, is double the dehumidifying power of the 6L one, but it only uses 40 to 50% more electricity.

Yes, quite impressively it is now 700W. So just bear this in mind that it does use a lot more power. Just to give you a comparison, my 12L Arete Two uses about 145W. So this is quite a lot more than 140 watts, but this is full power. Let's put it onto uh the gentle mode. So, I'm manually putting it onto the the one drip there, and it's a much more modest 261W. So, you can see how these different settings really affect how much power this uses. On the upside, the air coming out of here is nice and gently warming. If you think of it almost as a cheap heater, I was obsessed with the the cost of this thing to to run when I first got my big dehumidifier. And we were really careful to only just leave it running at night on the landing or in the main kitchen area. On the second year, because our bills hadn't gone up that much, we just left it running. We left it running pretty much all the way through the winter. And we also used it for our washing. So we stopped using the tumble dryer. So if you're in a say student flat, maybe you're in some kind of bedsit and you're thinking about should I get one of these or one of these, whichever you choose will cost a lot less than the tumble dryer or tumble dry function on your washing machine. This is just a fraction of the cost. We've stopped using our tumble dryer altogether. We only use it for towels now, and our electricity bill really came down. So that was unexpected. And also the thing dehumidifies the house at the same time.


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