An 80 gallon tank suits large households and big tubs, and lets the heat pump store heat ahead of time: heat the water when electricity is cheap or solar is running, and draw on it later. The water alone weighs about 670 lb, so check the floor, and it needs the most head room of any size.
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Full ranking 16
- GE Profile 80 Gal#1 of 16Full review
The pick for most homes with a 240 V circuit: the most efficient and quietest heater here, at every size.
GE Appliances PC Richard $3,159.97 Wayfair $2,844$2,8444.40101 gal240 V35 °F - A.O. Smith Voltex AL 80 Gal#2 of 16Full review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,798$2,7983.8895 gal240 V37 °F - A.O. Smith Voltex MAX 80 Gal#3 of 16Full review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,999$2,9993.8895 gal240 V37 °F - Rheem ProTerra 80 Gal#4 of 16Full review
A strong 240 V choice with Wi-Fi, widely stocked at Home Depot. GE Profile beats it on efficiency and noise.
Home Depot $2,499$2,4994.0787 gal240 V37 °F - LG Inverter Heat Pump 80 Gal#5 of 16Full review
The pick for a cold garage or basement: its heat pump keeps working in rooms down to 23 °F. Sold through LG’s HVAC dealers.
No price3.9094 gal240 V23 °F - Bosch GreenTronic 7000T 80 Gal#6 of 16Full review
The Midea-built design with Bosch’s name and warranty, sold at Lowe’s.
Lowe's $4,550$4,5504.0091 gal240 V37.4 °F - Rinnai REHP80#7 of 16Full review
A Midea-built heater with Rinnai’s support network and one of the few listings on Amazon. Check the seller is a Rinnai-authorized dealer before buying.
Amazon $2,699$2,6994.0091 gal240 V37.4 °F - ACiQ 80 Gal Hybrid#8 of 16Full review
The Midea-built design, sold direct by an online HVAC store, for a buyer installing it themselves who doesn’t need labor cover.
ACiQ HVACDirect $2,149.99$2,149.994.0091 gal240 V37.4 °F - Midea 80 Gal Heat Pump#9 of 16Full review
The Midea original behind several heaters here, sold through HVAC contractors. Buy whichever version is easiest to get with the warranty you want.
No price4.0091 gal240 V37.4 °F - Bradford White AeroTherm 80 Gal#10 of 16Full review
Bradford White’s second-generation hybrid, sold and installed through plumbers, with a 10-year tank and parts warranty and a port for utility demand-response programs.
No price4.0088 gal240 V37 °F - Ariston NUOS Side-Connect 80 Gal#11 of 16Full review
A non-Midea design with a leak sensor built in and a 10-year tank and parts warranty, sold through plumbing dealers. It is louder than most here.
No price4.0187 gal240 V35 °F - GE Profile 80 Gal 120V#12 of 16Full review
The most efficient 120 V plug-in here, and the quietest, for replacing a gas tank without new wiring. It can be rewired for 240 V later if the household outgrows it.
GE Appliances Wayfair $3,042$3,0423.5094 gal120 V35 °F - Navien NWP500 80 Gal#13 of 16Full review
Navien’s stainless-tank hybrid, sold through plumbers, with a 10-year warranty that includes a year of labor. Its heat pump stops below 41 °F room air, so it suits a basement more than a cold garage.
No price4.0585 gal240 V41 °F - Rheem ProTerra 15 A 80 Gal#14 of 16Full review
The ProTerra for a home that only has a 15 A, 240 V circuit, such as one left by a small electric tank: it avoids rewiring but gives up some efficiency and first-hour delivery.
No price3.7067 gal240 V37 °F - Rheem ProTerra Plug-in 80 Gal#15 of 16Full review
A plug-in for replacing a gas tank in a mild-climate garage or basement without new wiring. Buy a size up, since it has no element to fall back on.
Home Depot $2,798$2,7983.4684 gal120 V37 °F - A.O. Smith Voltex 120V 80 Gal#16 of 16Full review
A 120 V plug-in with a backup element and leak shut-off included. Its certified efficiency is among the lowest here, so it suits replacing a gas tank more than replacing an electric one.
Lowe's $3,098$3,0983.0093 gal120 V37 °F
