Westinghouse WET-24K-G
#6 in ElectricFull review
For buyers who want app control on a whole home electric heater. Without published warranty terms, the Stiebel Tempra 24 Trend is the safer buy at the same price.
Amazon $499.99$499.99
The Westinghouse WET-24K-G is the better tankless water heater overall, rated 3.4 to 3.1. The Westinghouse WET-24K-G leads on value. The Bosch Tronic 6100 C 27 wins on heating power. The Westinghouse WET-24K-G costs $136.61 less ($499.99 vs $636.60).
Bosch Tronic 6100 C 27
#10 in ElectricFull review
For a two bathroom home in a warm climate that wants a compact whole home heater with a 2 year parts warranty, double what Rheem gives.
Amazon $636.60$636.60
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Westinghouse WET-24K-G for value ($20.83 per kW ($499.99, 24 kW) vs $23.58 per kW ($636.60, 27 kW)).
- Choose the Bosch Tronic 6100 C 27 for heating power (27 kW vs 24 kW).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every electric tankless water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Westinghouse WET-24K-G | Bosch Tronic 6100 C 27 |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 35% | 58 $20.83 per kW ($499.99, 24 kW) | 49 $23.58 per kW ($636.60, 27 kW) |
| Heating power 25% | 52 24 kW | 64 27 kW |
| Efficiency 15% | 50 UEF not published (neutral score used) | 38 0.93 UEF |
| Warranty 25% | 50 heat exchanger warranty not published (neutral score used) | 29 5-year heat exchanger warranty |
Specifications
| Westinghouse WET-24K-G | Bosch Tronic 6100 C 27 | |
|---|---|---|
| Heating | ||
| Fuel | Electric | Electric |
| Electric power | 24 kW | 27 kW |
| Max flow | 5.5 GPM | 5.3 GPM |
| UEF | - | 0.93 |
| Installation | ||
| Voltage | 240 V | 240 V |
| Breakers | 120 A total | 120 A total |
| Weight | - | 14.8 lb |
| Features | ||
| Built-in recirculation | No | No |
| Wi-Fi | Yes | No |
| Heat exchanger warranty | - | 5 years |
| Parts warranty | - | 2 years |
| Released | - | 2023-01 |