Tankless Electric Water Heater

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No Tank

Typically come in the 3kW variety, but more advanced ones are 1.8kW. Otherwise, 1.5kW are mini-tank, not true tankless.

  • 1.8kW electric on-demand water heater - $159 - comes with aerator, 0.21 gpm activated, limited to 0.32 gpm. [1]. 39F temp rise at 0.32 gpm. [2]
  • Cheapo point-of-use on-demand electric - 3kW - $68 [3]
  • 3kW on Ebay, $60 - [4]
  • 2.6kW - 60F rise at 1GPM - on the shower itself - [5]

Mini Tank

About 1.5 kW - worst of 2 worlds - don't have enough continuous hot water, and waste energy. You can tell by their larger size than true tankless.

  • $80 - [6]
  • Bosch 2.5 gal - $157 - [7]
  • Bosch 4 gal - $209 - [8]
  • Bosch 7 gal - $209 - [9]

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