They have certain specific advantages, but they are actually slower.
This entirely depends on the stove. Consumer-lever stoves? Sure, definitely. Commercial stoves? Probably not. Commercial stoves put out 3-4x the BTUs of a high-end consumer stove, and usually can't be installed in a home because they require significant shielding around them (so you don't burn a building down) and a very high flow hood. The highest-end Wolf range has a single burner that has a maximum output of 10,000BTU, and costs a whopping $17,000; a fairly basic range top for a commercial kitchen has six burners that can all output 32,000BTU, and costs about $3700. For stir-frying specifically, you can get a single ring wok burners outputting 92,000-125,000BTU starting at about $700 for natural gas (and a helluva lot more if you use LP).
Unfortunately, I can't find a solid conversion between gas and induction stove capabilities.
Oh, and FWIW - if you live somewhere with an unstable power grid, a natural gas or LP stove will continue to function when the power is out, albeit you'll need to light it manually. We lose power fairly regularly due to storms--usually only a day at a time, but sometimes as long as 3-4 days--and it would be a real hassle to have all electric appliances when there's no power.
Most induction stovetops have a boost function with around 3-4 kW (that's about 13000 BTUs).
BUT contrary to a gas stove top, almost all of the energy is actually put into the pot instead of the surroundings (only 30-40% of the energy from a gas stove is used to heat the pot). Meaning that a 4 kW induction cooktop should be comparable to a 40'000 BTUs gas stove (single burner).
Yes, and you can test it pretty easily by just seeing how much faster a pot of water boils on induction, on-par with the boiling times of commercial burners.
Also, in a commercial setting, induction stoves cook just as effectively with less energy which means they don't put out nearly as much heat to the environment. For a chef, its the difference between working all day in 90-degree spaces to 70-degree AC. I'm an engineer who works on a lot of commercial kitchens (among other things), and our chefs love the electric kitchens we've delivered.
When you're cooking for work, 8+ hours a day, being comfortable while you do it is a major game changer.
The other thing they enjoy is the level of control and consistency - many professional induction ranges will let you control on temperature, which means you can quickly adjust to specific values in order to, say, sear a steak at 500, then finish it at 300 until it hits the desired internal temperature.
So I think most homes could handle that in general, but I don't know about specific wiring requirements to handle that kind of power draw from just the kitchen. So do these things require that level of retrofit?
I've never had an induction stove, but I grew up with an electric stove - IIRC, it was on a separate fuse from the rest of the kitchen, and it had a weird plug because it needed a different voltage than most other appliances.
I would assume the requirements for an induction stove are more or less the same... Switching from regular electric to induction would probably be easy, but gas to induction would take a lot more work.
Yes it is? The US very much has 220v for power hungry stuff. Things like ev chargers, central ac units, water heaters, electric clothes dryers, etc. It uses quite the variety of different plugs for the various amperages
I'm confused as to why you're so confident. The US has 3-phase power and homes get 120V from line 1 to the neutral (split-phase). If you use line 1 and 2, you get 240V. More than enough to power an oven. This is the case in every modern residential home in the US because they have a national building code.
Yes, I'm aware that you can do this but there are not readily available outlets throughout a home for this, lol. Yes, let me move my stove or dryer so I can plug my wok induction stove in.
...You do know that an oven needs a dedicated outlet, yes? As in, if you don't have a 30-50A receptacle in your home, one must be installed in order for you to have an oven. All new builds and most existing buildings have this dedicated outlet.
Edit: I see that you're using stove and oven separately. I am talking about a range (oven and stovetop combined), since where I live these are most common and "oven" and "stovetop" are roughly interchangeable. Apologies for any confusion.
Idk about my math but most American household circuits require stoves to be on a (220V) dual phase 18 amp circuit. Which should output around 8kW (18A * 220V)
Should be a lot more than 18A. Should be closer to 30A-50A to account for usage. 18A is what a kitchen receptacle would require and is so low that an oven on a 18A breaker would trip constantly. I'm Canadian so I mostly know the CEC but the NEC requirements in the USA are very similar.
I have to correct you (sorry) when you say "dual-phase" because homes in Canada (my country) and the US don't have dual-phase electricity and haven't for many, many decades. What you are talking about is called "split-phase" and is actually just a single phase that's been split using a neutral/return conductor.
To actually answer your question, yes, it's higher amperage and higher voltage. Every circuit breaker is really just a "tap" into the panel in order to create a parallel circuit at the applied voltage (usually 120V) and whatever amperage the breaker is rated for (after ensuring that you're using the correct size of breaker, of course).
The main reason why amperage is really important for larger appliances is because the cable used to plug them in (whether that's by literally plugging it in or by hardwiring it into the panel) needs to be thick enough not to overheat from regular use. When precautions aren't taken, it's pretty easy for the cable jacket to melt (happens around 90 degrees C) and for the bare wires to eventually short and/or start a fire.
Obviously, a 18A breaker would prevent this, but it would also prevent you from using the oven.
Here in Italy most houses used to have contacts allowing max 3kW, but nowadays it's more common to have 4.5kW (with smart utility meters which allow 30% over current for 3 hours).
Still have to be careful if you're running a washing machine or something like that, but it's doable.
Of course old houses may have insufficiently-sized wires, and that's another can of worms.
Yeah, a coleman (or equivalent) 2 burner camp stove combined with the adapter to use a full size propane tank is super handy. Combine it with a cast iron griddle, and you can functionally replicate a Blackstone for much much cheaper. It's also way better for high heat cooking if you don't have a good stove fan that actually vents outside.
Also, sometimes when power goes out, gas does too (it's still a grid that can fail).
yeah, it basically takes the place of a frying pan. if we want soup or coffee, we've still got a one burner camp stove for that. we end up using the grill more tho.
Because it's a consumer (really a prosumer) stove, that shielding is already built in. You wouldn't want to install a commercial range in right next to wooden cabinets; it's assumed that surfaces in commercial kitchens are all going to be non-porous, hard surfaces, usually stainless steel or ceramic.
Oh, and FWIW - if you live somewhere with an unstable power grid, a natural gas or LP stove will continue to function when the power is out, albeit you'll need to light it manually.
This is only true on the simplest (or older) gas stoves. Most models these days have all sorts of electronics, including features to prevent gas leaks.
I also live in an area with frequent power disruption. We have a backup generator. It is more than enough to power the electronics in our propane gas range, but nowhere near enough to power an electric range.
Mine works when the power is out. The only electrical part is the starter.
Also, I can heat my house (well, keep the temps above freezing) with my gas fireplace. I just have to manually click the pezioh electric starter.
OTOH, when the power is out, I can't run my stove vent hood, which vents outside and is why I don't worry much about "particulate matter." Never seen a non-externally-vented gas stove; I thought they were against code in the US, but whatever. The fireplace is entirely enclosed and sealed, and vented outside; heat circulation is via a fan that runs air around the heat box - which also doesn't run with power out, making it less efficient. But it still beats having the pipes freeze.
Nope, not personally. I mean, I have had hoods that just vent into the kitchen, but never on a gas stove; only on cheap electric ones.
I believe they exist, but IME gas stove installation code says it has to vent outside, because of the gas fumes. With electric stoves, installers can get away with just venting into the kitchen, so if something burns you get your smoke alarm.
I roast coffee beans, and I do it by placing a cookie tray on my stove, and put the roaster on that. It is a major PITA, but if I do a dark roast it produces smoke - like real, dark, something's-burning smoke - and if I don't have it under the vent it sets the smoke detectors off every time. But under the vent, it just sucks it all out and jets it outside.
This is the first house I've owned that has a gas stove, but my in-law's place has a big Viking in it with, like, 10 burners; it's a monster, and the hood on that looks like it came from a restaurant. Their's vents outside, too.
I have no doubt there are places in the US where gas is cheap and even trailer homes have gas stoves and no outside venting, and maybe older homes. I dunno. But every gas stove I've personally seen in the US in the past decade has vented outside.
I live in a house with a gas stove that vents into my kitchen.
I definitely hear you about the coffee roasting. I assumed when they said that it smokes that it would just be like thin wisps, and I definitely smoked out my house. I'm not going to do it inside again.
Oh, 25 years old, or something? I've looked at replacing it with something newer and easier to clean, with electric controls instead of dials, but they're enormously more expensive and the basic manual dial versions are still available, and cheaper.
I mean, there's not much to a gas stove. I've taken mine completely apart because the peizo starter fried itself. You don't need more than physical dials to control gas flow, like a water faucet, and a peizo starter. Making them more complex is really silly. Even my in-laws stupid giant, expensive Viking has manual dials and peizo starters, although they only have to turn the dials on and the starters go automatically until they detect that the gas is burning. I have to press my dials to trigger the starter. Even in the Viking, the gas control is still just a valve; as long as there's gas pressure in the lines, you can manually start it with a match with no electricity. Their's is about 10 years old.
Funny, though: our fireplaces are reversed. Our gas fireplace is peizo started; their's you have to manually light with a lighter.