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Savings Comparison: Induction Hob vs Ceramic Hob - Electricity Bill Reduction Results

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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #31 18348812
    jack63
    Level 43  
    MARCIN.SLASK wrote:
    In enameled, for example, it takes 310 seconds to boil water, and the same amount of water in a decent pot 220s.

    Interesting information. Could you post photos of both pots?
    Have you analyzed what the big time difference to bring to the boil is?
    If the energy consumption is proportional to time, and it is not so obvious, the gulf would be very deep, and possibly the analysis and purchase of appropriate pots would be profitable.
    Borutka wrote:
    I don't know about Zepter's pots now, but a portion of soup from the 90's could be warmed up with a candle.

    Yes, in the sellers' stories ... and the candle was the size of a candle. :D
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  • #32 18348849
    MARCIN.SLASK
    Home appliances specialist  
    The enamel pot is about 1mm thick and when measuring the power it came out about 1450W. The better pot has a bottom 10-12mm thick made of ferromagnetic steel (not to be confused with fakes where thick aluminum and a thin plate insert or some alloy that the magnet catches poorly) and power consumption about 2000W.
  • #33 18348977
    Matheu
    Level 25  
    Here there is an (exemplary) list - found on the web, several years ago.

    Cytat wrote:
    The cost of using an induction, gas and ceramic hob
    Based on it, I made the following statement (to simplify it) with the costs of boiling 1 liter of water (heating from 20 ° C to 96 ° C):


    Gas cooker:
    Pot without lid
    Pot diameter: 122 mm
    1 kW gas burner.
    Water heating time: 14m 43s
    Gas consumption: 0.0264 m3.
    Efficiency 39%.

    3.3 kW gas burner.
    Water heating time: 6m 5s
    Gas consumption: 0.0431 m3.
    Efficiency 24%.

    A pot with a lid
    Pot diameter: 122mm
    1 kW gas burner.
    Water heating time: 12m 30s
    Gas consumption: 0.0222 m3.
    Efficiency 46%.

    3.3 kW gas burner.
    Water heating time: 4m 50s.
    Gas consumption: 0.0326 m3.
    Efficiency 32%

    The use of the cover shortens the water heating time by 7..21%, and the gas consumption is reduced by 10..24%.


    Ceramic plate:
    Pot without lid
    The diameter of the pot is equal to the diameter of the hotplate.
    1.2 kW hotplate, full power.
    Water heating time: 11m 31s
    Electricity consumption 0.158 kWh.

    A pot with a lid
    The diameter of the pot is equal to the diameter of the hotplate.
    1.2 kW hotplate, full power.
    Water heating time: 10m 27s.
    Electricity consumption 0.134 kWh.

    The efficiency of the ceramic plate averaged 62% .


    Induction hob:
    Pot without lid.
    1.5 kW hotplate, full power.
    Water heating time: 5m 2s.
    Electricity consumption 0.120 kWh.

    2.8 kW hotplate, full power.
    Water heating time: 2m 32s.
    Electricity consumption 0.108kWh.

    A pot with a lid.
    1.5 kW hotplate, full power.
    Water heating time: 4m 22s.
    Electricity consumption 0.098kWh.

    A hotplate with a power of 2.8 kW, full power.
    Water heating time: 2m 32s.
    Electricity consumption 0.108kWh.

    The efficiency of the induction hob was on average 95%.


    The plate has an in-use noise level of 62 dBA, against a laboratory background level of 54 dBA.

    Two types of pots were used in the study. Lower energy consumption (by 20%) was for a pot with a thinner bottom, but such a pot is not intended for an induction hob - in case of irregularities, the bottom of such a pot may melt. It should also be remembered that a special pot may be required to prevent the milk from burning. Much depends on how the power regulation of the induction hob cooking zone is carried out. Better models of hobs continuously and smoothly regulate the power of the cooking zone. Cheaper models can only turn the heating zone on and off (with full power), and the power is regulated by the times of these inclusions and breaks between them.
  • #34 18348998
    Borutka
    Level 29  
    jack63 wrote:

    Yes, in the sellers' stories ... and the candle was the size of a candle. :D

    Buddy jack63, I was a Zepter salesman a long time ago and I had these jars in everyday use. They really were great, and they worked that way :!: .
    I don't know anything about current products, but it can be like everything :D
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  • #35 18349108
    jack63
    Level 43  
    Borutka wrote:
    They really were great, and they worked that way

    How can the pot work? It is a passive "device". The stories about the candle are purely marketing fake.
    That doesn't mean anything. It only serves to fool the client. You can heat the soup (!!!) with candles in every pot.
    It is not known what temperature rise and how much soup ... but it doesn't matter. What matters is the effect of influencing emotions!
    This is a typical manipulation similar to the provision of the thermal power of devices without specifying the operating conditions.
    With the rest, such and similar methods were used by all hawkers selling vacuum cleaners or household chemicals for prices completely inadequate to the quality, based on people's ignorance and manipulation.
    MARCIN.SLASK wrote:
    The enamel pot is about 1mm thick and when measuring the power it came out about 1450W. The better pot has a bottom 10-12mm thick made of ferromagnetic steel (not to be confused with fakes where thick aluminum and a thin plate insert or some alloy that the magnet catches poorly) and power consumption about 2000W.

    Very interesting information. The question is what the power measurement was done and how true it is. Although there are two truths in this regard. The truth of the physical and real power or energy consumption and the truth of the energy company, that is what the electricity meter will show. It is better not to mention simple power meters with such a device.
    So it can be concluded that "thickness matters" :D
    Most stainless steel pots have a rather thick bottom. Unfortunately, what is rolled on this day is unknown.
    Only a comparative experiment would tell which pot is better.
    Knowing life, not always the more expensive will be better. Unfortunately.
  • #36 18349124
    MARCIN.SLASK
    Home appliances specialist  
    Measurement taken Voltcraft Energy Logger 4000.
  • #37 18349168
    jack63
    Level 43  
    MARCIN.SLASK wrote:
    Measurement taken Voltcraft Energy Logger 4000.

    Don't be offended, but it's a toy for me.
    You compared its measurements with yours, I think you have one installed, electronic energy meter?
    The waveforms of the currents consumed by the induction hob are highly distorted, so it is difficult to measure the power.

    What counts for us users is what our energy meter "shows", because we will pay for it.
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  • #38 18349185
    MARCIN.SLASK
    Home appliances specialist  
    But the very fact that on a better pot the water was boiled much faster, it proves something.
    Sometimes stupid things go out on these market wattmeters, so I don't use them.
  • #39 18349190
    Borutka
    Level 29  
    jack63 wrote:
    Borutka wrote:
    They really were great, and they worked that way

    How can the pot work? It is a passive "device". The stories about the candle are purely marketing fake.

    Well, unfortunately you are not right. I do not trade these garami, so I have no reason to darken. But I had these pots for several years, and I remember a bit what their possibilities were.
    The lighter trick was of course a highlight on every presentation, but it worked in the real world. So much that the stubborn soup could be heated with a small flame or without any problem, e.g. with a hot car engine (which I have done many times).
    The acuthermal bottom was so efficient that heated with a lighter from the bottom on the edge, on the inside it had a similar temperature on the entire surface.
    But for the World Cup it was a steel frying pan. Even branded pans today are just scrap metal compared to the old Zepter.
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  • #40 18349218
    jack63
    Level 43  
    MARCIN.SLASK wrote:
    But the very fact that on a better pot the water was boiled much faster, it proves something.

    The boiling time is understandable. But more power consumed in the case of a worse pot would mean enormous energy losses. Where are they produced and why does the record throw in so much power despite the lack of reception ???
  • #41 18349541
    MARCIN.SLASK
    Home appliances specialist  
    jack63 wrote:
    MARCIN.SLASK wrote:
    But the very fact that on a better pot the water was boiled much faster, it proves something.

    The boiling time is understandable. But more power consumed in the case of a worse pot would mean enormous energy losses. Where are they produced and why does the record throw in so much power despite the lack of reception ???


    Read again:
    MARCIN.SLASK wrote:
    The right pots make a lot of difference. In enameled, for example, it takes 310 seconds to boil water, and the same amount of water in a decent pot 220s. Same power level set and same field. The area is very similar.


    The mox power of the plate is 7400W. Max power of the field on which I tested 2300W (both vessels were smaller than the field diameter, so the full power was not reached. I used full power (I do not mean Booster). to heat, but I waited a long time for it to boil - certainly well over 10 minutes.
    For this, the induction pots should be made of ferromagnetic material and the bottom of the pot should be of appropriate thickness, so that the desired eddy currents arise here, which are converted into heat.
  • #42 18351871
    andrzej20001
    Level 43  
    I have my first album, a whirlpool company, and I will never buy gas or any other type, probably some kind of hyper-nuclear. Everything is cooked very quickly. My and my wife's observations. Gerlach pots.
  • #43 18361913
    cuuube
    Level 29  
    I have been using induction since 2012. Until this year it was the Mastercook ID 84S, but this year something went wrong and one power module fell ... finally I bought a used one and it continues to work.
    However, before I was able to find the right module, I had to buy a new one, I chose the Electrolux EIV835.

    Conclusions from the use ... Mastercook had a much better solution of +/- control and icons with pre-programmed powers and a great arrangement of fields. Electrolux has a slider and sometimes it's hard to hit what you intended with a thick finger, but it has 5 fields.



    While looking for a new one, I found a flower ...
    Savings Comparison: Induction Hob vs Ceramic Hob - Electricity Bill Reduction Results

    if, however, someone likes to cook on a wook, he must take into account the expenditure of 14,000.
  • #44 18362207
    MARCIN.SLASK
    Home appliances specialist  
    cuuube wrote:
    I have been using induction since 2012. Until this year it was the Mastercook ID 84S, but this year something went wrong and one power module fell ... finally I bought a used one and it continues to work.
    However, before I was able to find the right module, I had to buy a new one, I chose the Electrolux EIV835.


    So we still managed to find a decent Electrolux. Though instead of giving 3 power modules, they forced the right module to handle 3 fields.
  • #45 18362222
    cuuube
    Level 29  
    MARCIN.SLASK wrote:
    forced the right module to handle 3 fields.
    exactly, a bit of a limp.

    The old Mastercook that we wrote about was more user-friendly in my opinion. In the new field, the wife praises the number of fields, because we often cook two different dinners for the kids ... one likes rice, the other - pasta ... On the fifth field, there is still room for us, for example for pyrki.
  • #46 18714487
    simon-u
    Level 11  
    MARCIN.SLASK wrote:
    The right pots make a lot of difference. In enameled, for example, it takes 310 seconds for me to boil water, and the same amount of water in a decent pot 220s. Same power level set and same field. The area is very similar.

    MARCIN.SLASK wrote:
    The enamel pot is about 1mm thick and when measuring the power it came out about 1450W. The better pot has a bottom 10-12mm thick made of ferromagnetic steel (not to be confused with fakes where thick aluminum and a thin plate insert or some alloy that the magnet catches poorly) and power consumption about 2000W.

    jack63 wrote:
    The boiling time is understandable. But more power consumed in the case of a worse pot would mean gigantic energy losses. Where are they produced and why does the disc throw in so much power despite the lack of reception ???

    @ jack63 How did you count it, because it turns out that the enamel one took 0.125kWh and the decent one 0.122kWh, so taking into account the measurement error, the efficiency of both pots on induction was the same, while a decent pot shortens the time of boiling the water by 1m30s.
  • #47 18719966
    MARCIN.SLASK
    Home appliances specialist  
    If it wasn't, it will be:



    This is a bit more to explain than to advertise anything.
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Topic summary

The discussion centers on the potential savings from switching from a ceramic hob to an induction hob. Participants highlight that induction hobs are generally more efficient, with an average efficiency difference of 25-30% compared to ceramic hobs. Users note that while induction hobs heat pots faster and reduce surrounding heat, the initial investment in compatible cookware can offset electricity savings. The conversation also touches on various factors affecting energy consumption, including pot material and design. Some users express skepticism about achieving significant savings, estimating reductions in electricity bills to be less than PLN 50 monthly. Overall, the consensus leans towards induction hobs being more economical and convenient in the long run, despite the upfront costs of new pots.
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