A.O. Smith Voltex MAX 66 Gal
#3 in 65 GallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,579$2,579
10 A.O. Smith heat pump water heaters ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size heat pump water heaters here, not third among A.O. Smith's own.
A.O. Smith makes 10 current heat pump water heaters: 4 40–50 gallon, 3 65 gallon and 3 80 gallon. Prices run from $1,950 for the A.O. Smith Voltex AL 50 Gal to $3,098 for the A.O. Smith Voltex 120V 80 Gal. Its best-rated model in each size: the A.O. Smith Voltex AL 50 Gal (#5 of 23 40–50 gallon, rated 3.6), the A.O. Smith Voltex MAX 66 Gal (#3 of 16 65 gallon, rated 3.8) and the A.O. Smith Voltex AL 80 Gal (#2 of 16 80 gallon, rated 3.8). Sizes run from 40 to 80 gallons. 3 of them run on 120 V.
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.
A.O. Smith heat pump water heaters 10
- A.O. Smith Voltex MAX 66 Gal#3 65 gallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,579$2,5793.8483 gal240 V37 °F - A.O. Smith Voltex AL 80 Gal#2 80 gallonFull 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 80 gallonFull 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 - A.O. Smith Voltex AL 66 Gal#9 65 gallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,598$2,5983.7082 gal240 V37 °F - A.O. Smith Voltex AL 50 Gal#5 40–50 gallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $1,950$1,9503.8065 gal240 V37 °F - A.O. Smith Voltex MAX 50 Gal#11 40–50 gallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,229$2,2293.6865 gal240 V37 °F - A.O. Smith Voltex MAX 40 Gal#17 40–50 gallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,098$2,0983.6055 gal240 V37 °F - A.O. Smith Voltex 120V 66 Gal#14 65 gallonFull 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 $2,698$2,6983.2076 gal120 V37 °F - A.O. Smith Voltex 120V 80 Gal#16 80 gallonFull 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 - A.O. Smith Voltex 120V 50 Gal#22 40–50 gallonFull 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 $2,219$2,2193.0052 gal120 V37 °F
