GE 6 Gallon Point of Use
A 6 gallon plug-in tank with an eight-year tank and parts warranty. The best all-round mid-size pick.
Amazon $240.86$240.86
6 gal1,500 WPlug-in
2.9/5
An 8 gallon plug-in tank short enough for an under-counter space. The warranty is short, and the Ariston 8 gallon costs less if you can hardwire.
- 8 galTank
- 1,440 WElement
- Plug-inPower
- 3 yearsTank warranty
Check price at Amazon$269.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Eight gallons that still plug into an outlet
- Fits under a counter at 17.7 in tall
- Relief valve included
Cons
- Three-year tank and one-year parts warranty
- Costs more than the 8 gallon Ariston
The ThermoMate ES mini tank family
Every ThermoMate ES mini tank model we rank, smallest first. Ratings compare each against its own size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| ThermoMate ES250 2.5 Gallon | 2.5 gal | 2.3/5 | $199.99 |
| ThermoMate ES400 4 Gallon | 4 gal | 3.2/5 | $220.99 |
| ThermoMate ES700 6.5 Gallon | 6.5 gal | 2.6/5 | $239.99 |
| ThermoMate ES800 8 Gallon (this one) | 8 gal | 2.9/5 | $269.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | ES800 |
|---|---|
| Heating | |
| Tank capacity | 8 gal |
| Element | 1,440 W |
| Voltage | 120 V |
| Current | 12 A |
| Electrical connection | Plug-in |
| Thermostat range | 50 to 149 °F |
| Price per gallon | $33.75 |
| Installation | |
| Dimensions (H x W x D) | 17.7 x 17.7 x 15.4 in |
| Weight | 27 lb |
| Water connections | 1/2" NPT |
| Relief valve included | Yes |
| Warranty | |
| Tank | 3 years |
| Parts | 1 year |
Alternatives in this size
VEVOR 8 Gallon Mini-Tank
The cheapest way to 8 gallons of stored hot water. VEVOR publishes no warranty, so it suits a shop or utility sink more than a kitchen.
Amazon $135.90$135.90
8 gal1,440 W
Eemax EMT6 6 Gallon
A wall-mountable 6 gallon plug-in tank with a six-year leak warranty. Good where floor space is short, though the GE costs less.
Amazon $280.02$280.02
6 gal1,440 WPlug-in
Compare
Compare the ThermoMate ES800 8 Gallon with any other mini tank water heater →
More from ThermoMate: every ThermoMate product ranked.