Ariston POU 20 Gallon
A 20 gallon, 120 V tank that fits under a counter, for a small apartment, cabin or in-law suite, with six years on parts and tank.
Amazon $351.50$351.50
20 gal1,500 W
4.0/5
An 18 gallon plug-in tank with an eight-year warranty, for a small apartment, cabin or a washer far from the main heater. The best large pick.
- 18 galTank
- 1,500 WElement
- Plug-inPower
- 8 yearsTank warranty
Check price at Amazon$296.65
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Eighteen gallons that plug into an ordinary outlet
- Eight-year tank and parts warranty
- Low price per gallon
Cons
- Freestanding and 19.25 in across
- A 1,500 W element reheats slowly after a shower
The GE point of use family
Every GE point of use model we rank, smallest first. Ratings compare each against its own size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| GE 2.5 Gallon Point of Use | 2.5 gal | 3.2/5 | $205.26 |
| GE 6 Gallon Point of Use | 6 gal | 3.3/5 | $240.86 |
| GE 10 Gallon Point of Use | 10 gal | 4.1/5 | $279.65 |
| GE 18 Gallon Point of Use (this one) | 18 gal | 4.0/5 | $296.65 |
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 | GE20P08BAR |
|---|---|
| Heating | |
| Tank capacity | 18 gal |
| Element | 1,500 W |
| Voltage | 120 V |
| Current | 12 A |
| Electrical connection | Plug-in |
| Price per gallon | $16.48 |
| Installation | |
| Dimensions (H x W x D) | 25.8 x 19.2 x 19.2 in |
| Weight | 54.2 lb |
| Water connections | 3/4" NPT |
| Relief valve included | Yes |
| Wall bracket included | No |
| Warranty | |
| Tank | 8 years |
| Parts | 8 years |
Alternatives in this size
VEVOR 18 Gallon Tank Water Heater
A cheap 18 gallon tank for a shop, barn or utility room. With no published warranty, the GE 18 gallon is the safer buy for a home.
Amazon $219.90$219.90
18 gal1,600 W
Ariston POU 12 Gallon
A 12 gallon tank for a bathroom or kitchenette, with six years on parts and tank. Larger tanks cost little more.
Amazon $313$313
12 gal1,500 W
Compare
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