July 3, 2022

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How a lot does it value to run a transportable air conditioner, and the way shortly does it cool a room? [Updated with 2022 prices]

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UPDATE: This was initially written again in 2021 and by some means since then, again then all we needed to fear about was a pandemic. That is nonetheless an issue however we now even have struggle and a value of residing disaster. What a time to be alive. I’ve due to this fact up to date this put up with extra correct pricing, to mirror the astronomic value rise of electrical energy. That is correct for Might 2022.


With the temperatures persevering with to soar and the Met Workplace issuing an excessive warmth warning, many people have been trying to purchase a transportable air-con unit.

If, like me, you might be vaguely conscious of those, you’ll know they value quite a bit to run, they’re loud, they’re large and awkward to make use of with UK based mostly home windows.

This 12 months, I lastly caved and purchased an Inventor Magic 12000BTU Moveable Air Conditioner from Amazon, which is now out of inventory.

Advisable Moveable Air Conditioners

How a lot does a transportable air conditioner value to run?

The principle concern with air-con is the associated fee to run it. The facility consumption will range relying on the cooling capability of the unit. This sometimes ranges from 1Kw to 1.3kW for air-con items rated from 9000 to 12000 BTU.

My Inventor Magic is rated at 1350W per hour for cooling. Precise utilization seems to range between 1100W and 1300W, and this appears to common out at 1200W whereas it’s working full blast.

Value to run an air conditioner in 2022

I’m presently with SO Power which has a unit charge of 13.6476p/kWh (I selected them due to a budget electrical energy resulting from me working a number of computer systems). You may join SO Power right here.

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This then works out at 16.38p per hour to run, which appears fairly low-cost, actually.

I left the struck-out textual content above simply so we are able to all really feel depressed about how low-cost electrical energy was.

Numerous tariff examples:

  • 2021:
  • 2022 (Might, Variable Tariffs)
    • British Fuel Customary Variable: 28.021p per kWh

SO Power and EON Subsequent will not present variable tariff particulars as they don’t seem to be taking new clients.

Primarily based on the above costs, final 12 months it was costing me 16.38p per hour to run and now it could value 33.60p or a 105% value improve.

Final 12 months I identified that working this by itself used up simply as a lot electrical energy as the remainder of my home and the prices will add up shortly, simply twice as shortly this 12 months.

My total opinion hasn’t modified about them, aside from that it prices twice as a lot. Should you plan to depart one among these on all day, then you might be in for a foul time while you get your vitality assertion. In fact, the aircon will swap off when it reaches the specified temperature (and again on) so that you is probably not working it on a regular basis.

Air conditioners had been at all times costly to run and being a tight-fisted northerner I might by no means run one all day. Nevertheless, when it’s painfully scorching exterior and my workplace is touching 30-degrees or my bed room is 23+ levels, I believe spending 67p working an air-con for a few hours continues to be value it. They’re very noisy anyway so I would favor to have them working as little as potential.

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How shortly does an air-con cool a room?

I’m nonetheless testing it and have solely simply began maintaining a tally of temps and instances. Contemplating the present heatwave, I believed I’d get some content material out sooner and add extra correct numbers over time.

In 2 hours quarter-hour, it used 2.5kW of vitality and cooled my workplace from 27-degrees to 21-degrees. Subjectively it feels cooler, I believe the cool air transferring across the room makes it appear colder than it’s. My workplace is 4.5m x 3.5m and is 2.5m excessive, so simply shy of 30m3.

How loud are moveable air conditioners?

Actually fairly loud. I don’t have an correct sound meter, however utilizing my telephone, it reads 40-50db with the air-con simply off to the facet of me. The sound profile isn’t too unhealthy, it isn’t excessive pitched and simply seems like a fan on excessive pace. I can deal with it switched on within the workplace, however there’s not an opportunity on the planet might I go to sleep with it on. I plan to chill my bed room to one thing extra nice after which swap it off after I fall asleep. I’ll resort to a quiet pedestal fan if it will get too scorching within the evening.

How massive are air-con items?

They clearly range quite a bit relying on their score. The Inventor Magic 12000BTU is without doubt one of the higher-rated fashions on the market and, due to this fact, bodily massive.

It’s most likely about as tall and extensive as an under-counter fridge however much less deep. It weighs 35KG, so it wasn’t all that enjoyable carrying it up the steps on my own. Should you hold it on the identical flooring, it isn’t too unhealthy as it’s curler wheels on it.

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How straightforward is it to suit a transportable air conditioner hose by way of a UK uPVC window?

The Inventor Magic 12000BTU comes with a home windows equipment, however this seems to be for sash home windows (the standard home windows that slide up).

I’ve uPVC home windows which might be high hung, which is due to this fact not suitable. There are numerous kits you should buy on Amazon, that are mainly bits of fabric with zip and velcro that stick across the gaps within the window. From my temporary expertise with them, they’re a bit garbage, and I’m very sceptical of the massive variety of Amazon opinions a few of them have. Sadly, this appears about the very best answer, definitely for momentary use.  It’s removed from splendid, and they’re fairly ugly, however it’s what it’s.

  • [Original Post] twentieth July 2021
  • [Updated] twentieth Might 2022 – Reflecting elevated vitality costs.

Final replace on 2022-05-25 / Affiliate hyperlinks / Photographs from Amazon Product Promoting API