Best VEVOR Electric Tankless Water Heaters
Part of our Ventilation & Hot Water guides.
Electric tankless heaters heat water only when you open a tap. The trade-off is electrical load: large whole-house units need multiple high-amp circuits. Pick by what you need to supply, then check your panel.
Quick picks
| Best for | Product | List price* | |
|---|---|---|---|
| Best for one sink | VEVOR 8 kW Electric Tankless Water Heater (240 V) | $149.90 | Check price |
| Best small shower unit | VEVOR 13.8 kW Electric Tankless Water Heater | $199.90 | Check price |
| Best for one bathroom | VEVOR 18 kW Electric Tankless Water Heater | $268.90 | Check price |
| Best for 2 bathrooms | VEVOR 27 kW Tankless Electric Water Heater, LCD Touch | $279.90 | Check price |
| Best whole-house | VEVOR 36 kW Tankless Electric Water Heater (3-5 people) | $330.99 | Check price |
1. VEVOR 8 kW Electric Tankless Water Heater (240 V)
- 8 kW, 240 V
- About 0.4 GPM rated
- 40 A breaker
- Sink / single point
8 kW on a 40 A breaker, rated around 0.4 GPM; for a single sink, not a shower.
- Small electrical load
- Low price
- Not enough for showers
2. VEVOR 13.8 kW Electric Tankless Water Heater
- 13.8 kW, 240 V
- 70 A breaker, 6 AWG
- LED display
- Indoor install
13.8 kW on a 70 A breaker with 6 AWG wire.
- Can supply a low-flow shower in warm climates
- 70 A circuit
3. VEVOR 18 kW Electric Tankless Water Heater
- 18 kW, 240 V
- 75 A max current
- 3/4 in NPT
- Digital display
18 kW, 75 A max current, 3/4-inch NPT.
- Shower + sink in milder climates
- Big breaker requirement
4. VEVOR 27 kW Tankless Electric Water Heater, LCD Touch
- 27 kW, 240 V
- LCD touch screen
- Child lock
- Multi-fixture
27 kW with an LCD touch screen and child lock.
- Multi-fixture
- Multiple 240 V circuits
5. VEVOR 36 kW Tankless Electric Water Heater (3-5 people)
- 36 kW, 240 V
- 86-131°F
- Listed for 3-5 person homes
- Cast aluminum element
36 kW, listed for 3-5 person households, 86-131°F output.
- Whole-house capacity
- Requires a large electrical service
Groundwater temperature matters
Tankless output is about raising water temperature. Northern homes with 40°F incoming water need far more power for the same shower than southern homes with 70°F water. Use the sizing calculator.
Check your panel
Add the heater's required breakers to your existing load. Many homes with 100 A service cannot support a 27-36 kW unit without an upgrade. An electrician should do a load calculation.
Frequently asked questions
What size electric tankless water heater do I need for a shower?
Most single showers need roughly 13-18 kW in warm climates and 24 kW or more in cold climates, depending on flow rate and incoming water temperature.
Do electric tankless heaters need venting?
No, unlike gas models they don't need a flue.