Instantaneous water heater tested - Hot water, expensive fun

Generating hot water for the kitchen and bathroom using electricity is convenient, but expensive. Six instantaneous water heaters tested are good - at very different prices. Stiftung Warentest tested nine instantaneous water heaters. Six of them were tested and found to be good. The prices of the appliances range from around 280 to 830 euros. Use our test results to find out whether the extra expense is worth it.