Bosch electric tankless water heaters range in size from .5 gallons per minute (GPM) to 4.0 GPM, large enough to serve as a whole house water heater in smaller homes. With good energy factors, these Bosch tankless water heaters will help reduce energy use compared with a traditional electric water heater. While they are not as cost-effective to operate as gas-fired models, you don’t have the expense of running gas line to them or venting them.
This Bosch electric tankless water heater review and price post allows you to evaluate these models and consider them for your own purposes. For similar models to compare, see our growing list of electric tankless water heater reviews.
Sizes and Models for the Bosch Electric Tankless Water Heater
There are 2 series, the whole house units are part of the Bosch Tronic 5000 Series and the smaller units make up the Bosch Tronic 3000 Series.
The largest model, the WH27, delivers 4.0 GPM, enough to serve a townhouse, small home or apartment. It will produce enough water for 1-2 simultaneous uses. The WH17 will supply one continuous use, and possibly 2 if they are not high-volume. The rest are point of use models that serve one water application and can be installed under a sink or in a nearby closet.
Capacity Model Energy Factor
4.0 GPM WH27 .97
2.6 GPM WH17 .97
1.8 GPM US12 .99
1.4 GPM US9 .99
1.1 GPM US7 .99
0.6 GPM US6 .99
0.5 GPM US3 .99
Top Features of the Bosch Electric Tankless Water Heater
This section gives you an overview of what you can expect from these Bosch electric tankless water heaters.
Energy Factor: .97-.99
Brass or Plastic Drain Valve: Brass fittings
Warranty: Bosch Tronic 5000 – 10-year residential and 2-year commercial warranty on the heating modules; 1-year parts warranty. Bosch Tronic 3000—5-year heating module warranty on the heating elements; 1-year parts warranty.
Other Features: Inlet filter screen; Electronic flow sensors; low-flow rate activation; Enhanced scale resistance; Copper heat exchangers in Tronic 3000 models; Horizontal or vertical mounting.
Bosch Electric Tankless Water Heater Price
The electric tankless water heater prices are current, so you’ve got accurate data to use as you choose your next hot water heater.
4.0 GPM Bosch Tronic 5000 WH27 tankless water heater: $425
2.6 GPM Bosch Tronic 5000 WH17 tankless water heater: $385
1.8 GPM Bosch Tronic 3000 US12 tankless water heater: $280
1.4 GPM Bosch Tronic 3000 US9 tankless water heater: $250
1.1 GPM Bosch Tronic 3000 US7 tankless water heater: $215
0.6 GPM Bosch Tronic 3000 US6 tankless water heater: $195
0.5 GPM Bosch Tronic 3000 US3 tankless water heater: $185
Should You Consider this Water Heater?
If an electric water heater is best for your purposes since they require no gas line or venting, then the Bosch lineup is definitely worth a look. They offer good quality and reasonable prices. For a durable electric heater that should last 12-15 years, the Bosch Tronic electric tankless water heaters deliver good quality and value.