Six to 10 gallons fills a kitchen sink basin or serves a utility sink, a bar or a booster on a long pipe run. Most of these still plug in, but some must be wired into a circuit, so check the connection before you buy.
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.
Full ranking 9
- GE 10 Gallon Point of Use#1 of 9Full review
A 10 gallon plug-in tank for a laundry, workshop or in-law kitchen, with an eight-year warranty. It sits on the floor rather than under a sink.
Amazon $279.65$279.6510 gal1,500 WPlug-in - Ariston Andris RS 8 Gallon#2 of 9Full review
An 8 gallon tank for a kitchen or utility sink at a low price, with a six-year tank warranty. Plan on hardwiring it.
Amazon $209.99$209.998 gal1,440 WHardwired - GE 6 Gallon Point of Use#3 of 9Full review
A 6 gallon plug-in tank with an eight-year tank and parts warranty. The best all-round mid-size pick.
Amazon $240.86$240.866 gal1,500 WPlug-in - VEVOR 8 Gallon Mini-Tank#4 of 9Full review
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$135.908 gal1,440 W- - ThermoMate ES800 8 Gallon#5 of 9Full review
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.
Amazon $269.99$269.998 gal1,440 WPlug-in - Eemax EMT6 6 Gallon#6 of 9Full review
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$280.026 gal1,440 WPlug-in - Ariston POU 6 Gallon#7 of 9Full review
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$283.876 gal1,500 W- - Camplux ME60 6 Gallon#8 of 9Full review
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$229.996 gal1,440 WPlug-in - ThermoMate ES700 6.5 Gallon#9 of 9Full review
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.
Amazon $239.99$239.996.5 gal1,440 WPlug-in
