Which is Faster? Electric vs Stovetop Pressure Cooker

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Which is Faster? Electric vs Stovetop Pressure Cooker

Our customers ask whether electric pressure cooker is slower than the stovetop pressure cooker. There are people that can stovetop pot 2 ~ 3 times faster in reaching the working pressure. This may be possible with a gas cooktop. However the majority of families in North America use electric cooker. We decided to run a test on this typical scenario.

Testing equipment:

Instant Pot IP LUX60 at the heating stage
Instant Pot IP LUX60 at the heating stage

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  • Instant Pot IP-LUX60: 1000W, 6L inner pot. Plugged-into an electronic power meter (Kill-A-Watt P4400).

Test conditions:

  • Set to cook at full pressure for 10 minutes. The “Manual” mode of Instant Pot was used.

After running multiple tests, the following is the results:

  • Instant Pot IP-LUX60 took 23:30 ~ 24:15 (minutes:seconds) to reach working pressure 11.6psi.  Hold pressure for 10 minutes. Total power consumption 0.35~0.36 KWH.

In conclusion,

  • Instant Pot IP-LUX60 uses around 63% less electricity than the T-Fal in this specific test.
T-Fal Safe 2 on Maytag electric range
T-Fal Safe 2 on Maytag electric range

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  • T-Fal Safe 2 Model 3271 stovetop pressure cooker, 6L capacity, which likely has a pressure rating of 11psi.
  • Maytag SuperCapacity Plus electric range with glass ceramic cooktop, coil element power rating: 2100W
  • Thermoworks Splash-Proof Super Fast Thermapen, accuracy +/-0.4°C (0.2°F).

Test conditions:

  • Fill both Instant Pot and T-Fal with 3 liter tap water at 13.6°C

After running multiple tests, the following is the results:

  • T-Fal on Maytag electric range took 24:05~24:50 to reach pressure (steam release started leaking steam and rotating).  Afterwards, power was turned down to 30% to maintain the pressure. Total power consumption based on the power rating: 0.945~0.974 KWH.

In conclusion,

  • The stove-top T-Fal + Maytag electric range take about 20~30 seconds longer to reach working pressure than Instant Pot IP-LUX60.

There are two explanations for electricity consumption:

  1. The ceramic glass cooktop reduce heating efficiency. The entire kitchen was warm and T-Fal heat along the way. That is where the energy was lost.
Curved 3-ply bottom of Instant Pot stainless steel cooking pot

2. Instant Pot two air insulation and reduce energy losses. The bottom of the pot inside of it is curved inwards which fit tightly on the heating elements bent outwards. Thermal conductivity is excellent.

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When we first designed Instant Pot, the aim is to make it faster for the convenience. A press a button set and forget smart pot is our goal. Now the heating efficiency making faster Instant Pot on stovetops a variety of power.

Thanks for watching!

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