Using cold water is the quickest, most energy-efficient and convenient way to make tea. Or coffee. Or hot chocolate.
this post was submitted on 20 Jun 2025
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1 coffee mug/tea cup of water in the microwave for 1 minute is perfect for a single serving bag of tea. it doesn't have to be boiling, just hot. 1 min is also not long enough to dangerously superheat water. hot is water is hot water, it doesn't matter if you do it kettle or microwave.
doesn't have to be boiling
Depends on the tea.
Black generally should. Green absolutely shouldn't.
Something something typical US circuits can deliver less power than typical Euro circuits. Not a lot less though.
I used to own a $15 plastic electric kettle, but it died after a year or two. When I went to target to get a new (hopefully better) one, I realized I could instead buy a plug-in induction plate on sale for $50, and a plain stainless steel kettle that somehow cost only $1.50 (less than the shitty bread that I was also buying? how?). The induction plate was honestly one of the best purchases I've made in a long time. Sure, I have to wear earplugs to tolerate the high-pitched scream that the frequency driver makes, but it boils water just as well as an electric kettle and is also soooo much nicer to cook on than the resistive curlicue burners that came with my apartment.
Technology Connections did a video on this rule.
regular US outlets are 120V. regular EU outlets are 240V. P=VI, so to produce the same amount of power as a 240V kettle, a 120V kettle needs to draw twice as much current.
the gauge of a wire determines how much current it can carry without setting insulation on fire. home outlets are typically wired for 15A, around the world. so in EU, 15A service can deliver twice as much power since that's 15A of current at 240V = 3.6kW, while in the US at 120V = 1.8kW.
so EU kettles are twice as powerful, typically.
At least here in Australia, 15A circuits are not very common. Only one of the places I've ever lived had a 15A outlet in a shed, which was likely installed by the previous owner for running a welder or plasma cutter, or some other high peak power tool like that. 3.6kW is massive overkill for general household use.
The standard circuit here is 10A, which gives you 2.4kW to play with. It's been a while, but if I recall correctly that was part of the point Technology Connections was making - that the difference isn't actually that great between 120 and 240V countries in practice. The change to boiling time from an electric kettle was pretty inconsequential between the two.
I believe he postulated that the real reason Americans don't have electric kettles was that they didn't have much need for them. They mostly don't drink tea, and their coffee is largely prepared using drip coffee makers that heat their own water.
I didn’t bring my 3Kw UK kettle over because I heard it would probably blow the circuit. But my Australian colleague who moved back over here brought his UK toaster and it actually did blow the circuit.
Hmm for some reason the numbers 1600 and 2000 W were rattling around my head for US and Europe respectively. I know most US appliances don't like to pull the full 15 A because that's when the breaker trips, but that would scale roughly the same for Europe so the power ratio should still be as you describe. I guess I either was misremembering or got the EU number from an abnormally low-current circuit.
I forgot TC did a video on this. I'll have to watch when I have the time.
Now we need to get the South Asians and East Asians fighting about putting milk in tea.
Europeans when they discover that no, most Americans really do not own a kettle rule.
So, I'm Greek and I also have never used a kettle. In fact, you won't find one in most households. But all of us have a briki. It's like a mini pot!
We use it to boil water/make cofee/tea/boil 1-2 eggs etc
let alone an electric kettle
I can’t imagine life without an electric kettle…
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Wait, do Americans not own kettles?
That’s like one of the first things I bought when I moved out.
In my country (and most of northern Europe I presume), induction stoves are becoming very common. I tossed my electric kettle 7 years ago when I got induction.
It's faster than a kettle in most of my pots.
I own one because I'm a coffee snob and enjoy pourovers. Before I went down that whole road, no. And neither did anyone I knew well enough to dig through their kitchen
their shitty electrical grid means kettles take like double the time to boil.
Great video on this from technology connections. tl;dr it takes more time, but not, like, that much more. We mostly just don't have a huge tea-drinking culture here.
My family (American) did drink a lot of tea. Surprise surprise, we had a kettle. I did not die of old age from the cumulative weight of all that waiting.
I did not die of old age from the cumulative weight of all that waiting.
Not yet. Just you wait.
chronic exposure to time dramatically increases your chances of getting terminally old.
So why does Japan at 100V have electric kettles everywhere? It's a cultural reason not the electrical grid.
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lol no shit many Americans don’t own a kettle, they apparently rank 36th in tea consumption per capita. Breaking news lads, they aren’t as enamored with it as the next higher usage countries.
List of countries by tea consumption per capita
The UK is 3rd, behind Ireland and Turkey. Get your shit together, UK.
Facts.
BUT as an American southerner, our iced tea consumption is through the roof and it fuels our economies, sweet tea and fried chicken
Growing up, we'd make sun tea, and I feel like that'd send a lot of tea drinkers running. In the morning, you'd take a gallon jar of water, a dozen teabags, bunch of sugar, and let it sit in the sun during the day, and drink it that evening.
Fun fact, due to the power difference in the US, kettles are much slower here than some other places. You can run a 3kW kettle on the grid in the UK, and boil a single cup's worth of tea water in about 45 seconds. In the US, most outlets won't allow more than 1800W, or 1.8kW, so the best kettles will take almost twice as long.
That’s almost a minute and thirty one seconds! Daft.
I usually use my kettle to make coffee (handfiltered/pour-over).
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Honestly if you want to boil water quickly just use a pan. Takes like 30 seconds.
Are you boiling 50ml?
That sentence you constructed. I have some opinions about it.
My kettle doesn't even boil in 30s....
This one extended a little with a great literate addition 😂
wow, actual iambic pentameter, impressive.
the scenography is ass though.
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You know if you have a metal mug and an induction stove, you could put it right on the burner. Just don't use the handle after.
Btw if you steep tea too long it turns bitter, so that's what happens if you steep it cold. It is possible though.
do british people not have arizona iced tea?
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