A 2.5 gallon plug-in tank with an eight-year tank and parts warranty, the best-covered small tank here. Good for a single sink where you want it to last.
Amazon $205.26The GE 2.5 Gallon Point of Use is the better mini tank water heater overall, rated 3.2 to 2.8. The GE 2.5 Gallon Point of Use leads on warranty and heating power. The Rheem Mini-Tank 2.5 Gallon wins on features. The GE 2.5 Gallon Point of Use costs $13.73 less ($205.26 vs $218.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A slim 2.5 gallon plug-in tank from Rheem for one sink. It matches the Ariston on warranty but costs more.
Amazon $218.99Which should you buy?
- Choose the GE 2.5 Gallon Point of Use for warranty (8-year tank, 8-year parts vs 6-year tank, 2-year parts) and heating power (1,500 W element vs 1,440 W element).
- Choose the Rheem Mini-Tank 2.5 Gallon for features (plugs into an outlet, relief valve included, wall bracket included vs plugs into an outlet, relief valve included).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 2.5 to 4 gallon mini tank water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | GE 2.5 Gallon Point of Use | Rheem Mini-Tank 2.5 Gallon |
|---|---|---|
| Overall rating | 3.2/5 | 2.8/5 |
| Value 30% | 11 $82.10 per gallon ($205.26, 2.5 gal) | 3 $87.60 per gallon ($218.99, 2.5 gal) |
| Warranty 30% | 100 8-year tank, 8-year parts | 56 6-year tank, 2-year parts |
| Heating power 15% | 29 1,500 W element | 20 1,440 W element |
| Features 15% | 75 plugs into an outlet, relief valve included | 100 plugs into an outlet, relief valve included, wall bracket included |
| Tank size 10% | 0 2.5 gal tank | 0 2.5 gal tank |
Specifications
| GE 2.5 Gallon Point of Use | Rheem Mini-Tank 2.5 Gallon | |
|---|---|---|
| Heating | ||
| Tank capacity | 2.5 gal | 2.5 gal |
| Element | 1,500 W | 1,440 W |
| Voltage | 120 V | 120 V |
| Current | 12 A | 12 A |
| Electrical connection | Plug-in | Plug-in |
| Recovery (maker figure) | - | 15 min at 60 °F rise |
| Thermostat range | - | 50 to 140 °F |
| Price per gallon | $82.10 | $87.60 |
| Installation | ||
| Dimensions (H x W x D) | 13 x 13 x 11.2 in | 17 x 10.9 x 10.9 in |
| Weight | 17 lb | 17.6 lb |
| Water connections | 1/2" NPT | 1/2" NPT |
| Relief valve included | Yes | Yes |
| Wall bracket included | - | Yes |
| Warranty | ||
| Tank | 8 years | 6 years |
| Parts | 8 years | 2 years |
