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The 5 tankless heaters we'd put in for the morning rushTop 5 tankless heaters → See the ranking

5 Bosch products rated

Bosch tankless water heaters compared (2026)

Every Bosch product we review, sorted by rating. The Bosch Tronic 6100, 27 kW leads with 6.6/10.

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5 products

Bosch Tronic 6100, 27 kW

27 kWBosch Tronic 6100, 27 kW$636.60 on Sep 30, 2026, may have changedSpec-based rating

Bosch Tronic 4000, 10.5 kW

10.5 kWBosch Tronic 4000, 10.5 kW$229.59 on Sep 30, 2026, may have changedSpec-based rating

Bosch Tronic 4000, 6.5 kW

6.5 kWBosch Tronic 4000, 6.5 kW$247.99 on Sep 30, 2026, may have changedSpec-based rating

Bosch Tronic 4000, 8.5 kW

8.5 kWBosch Tronic 4000, 8.5 kWSee current priceSpec-based rating

Bosch Tronic 6100, 18 kW

18 kWBosch Tronic 6100, 18 kW$629 on Sep 30, 2026, may have changedSpec-based rating

Product images: Amazon listings

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