Camplux TEW18
#13 in ElectricFull review
A budget whole home heater for a small home in a warm climate. Buyers who want published flow and efficiency figures should pay more for a Stiebel or EcoSmart.
Amazon $278.95$278.95
2.8/5
For a busy kitchen sink or a pair of sinks that need more flow than a small point of use heater gives.
- 10.5 kWHeating power
- 2 GPMMax flow
- 0.95UEF
Check price at Amazon$251.99
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Tiny enough to mount inside most sink cabinets
- Rated more efficient than the smaller 8.5 kW version
- Heating element can be serviced and replaced
Cons
- Needs a 50 A breaker and 6 AWG wire
- Too little flow for a shower except in warm climates
- Warranty terms are not split out for the heating element
The Bosch Tronic 4000 C family
Every Bosch Tronic 4000 C model we rank, smallest first. Ratings compare each against its own fuel.
| Model | Heating power | Rating | Price |
|---|---|---|---|
| Bosch Tronic 4000 C 8 | 8.5 kW | 2.5/5 | $229 |
| Bosch Tronic 4000 C 10 (this one) | 10.5 kW | 2.8/5 | $251.99 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its fuel. How we rank explains each one.
Specifications
| Model number | TR4000C-10 |
|---|---|
| Heating | |
| Fuel | Electric |
| Electric power | 10.5 kW |
| Max flow | 2 GPM |
| UEF | 0.95 |
| Installation | |
| Voltage | 240 V |
| Breakers | 50 A total |
| Weight | 4.4 lb |
| Features | |
| Built-in recirculation | No |
| Wi-Fi | No |
| Released | 2023-01 |
Alternatives in this fuel
EcoSmart ECOS 18
#14 in ElectricFull review
For a small home or apartment in a warm climate that wants whole house hot water on two breakers. Amazon stock was low when checked.
Amazon $449$449
Bosch Tronic 6100 C 18
#16 in ElectricFull review
For a small home or apartment in a warm climate that wants the Bosch name. Most buyers get more power for the money elsewhere.
Amazon $585.46$585.46
Compare
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