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
2.6/5
A 6.5 gallon plug-in tank with a freeze setting for cabins and garages. GE sells a 6 gallon tank with a much longer warranty for about the same price.
- 6.5 galTank
- 1,440 WElement
- Plug-inPower
- 3 yearsTank warranty
Check price at Amazon$239.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Plugs into a standard outlet
- Freeze-protection setting for unheated spaces
- Relief valve included
Cons
- Three-year tank warranty
- Two-foot cord needs a close outlet
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 (this one) | 6.5 gal | 2.6/5 | $239.99 |
| ThermoMate ES800 8 Gallon | 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 | ES700 |
|---|---|
| Heating | |
| Tank capacity | 6.5 gal |
| Element | 1,440 W |
| Voltage | 120 V |
| Current | 12 A |
| Electrical connection | Plug-in |
| Thermostat range | 50 to 149 °F |
| Price per gallon | $36.92 |
| Installation | |
| Dimensions (H x W x D) | 17.7 x 17.7 x 14.6 in |
| Weight | 26.5 lb |
| Water connections | 1/2" NPT |
| Relief valve included | Yes |
| Warranty | |
| Tank | 3 years |
Alternatives in this size
Ariston POU 6 Gallon
A 6 gallon tank with six years on parts and tank, for a sink or booster you want to forget about. It costs more than plug-in rivals.
Amazon $283.87$283.87
6 gal1,500 W
Camplux ME60 6 Gallon
A 6 gallon plug-in tank with mounting hardware for a sink or utility area. Its tank warranty trails GE and Eemax.
Amazon $229.99$229.99
6 gal1,440 WPlug-in
Compare
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