A.O. Smith Voltex AL 80 Gal
#2 in 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$2,798
The A.O. Smith Voltex AL 80 Gal and the A.O. Smith Voltex MAX 80 Gal are evenly matched, rated 3.8 and 3.8. The A.O. Smith Voltex AL 80 Gal costs $201 less ($2,798 vs $2,999).
A.O. Smith Voltex MAX 80 Gal
#3 in 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$2,999
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.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 80 gallon heat pump water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | A.O. Smith Voltex AL 80 Gal | A.O. Smith Voltex MAX 80 Gal |
|---|---|---|
| Overall rating | 3.8/5 | 3.8/5 |
| Efficiency 35% | 63 3.88 UEF | 63 3.88 UEF |
| Hot water 20% | 80 95 gallons in the first hour | 80 95 gallons in the first hour |
| Warranty 20% | 75 10-year tank, 10-year parts, 1-year labor | 75 10-year tank, 10-year parts, 1-year labor |
| Cold rooms 15% | 32 heat pump runs down to 37 °F room air | 32 heat pump runs down to 37 °F room air |
| Noise 10% | 69 45 dB(A) | 69 45 dB(A) |
Specifications
| A.O. Smith Voltex AL 80 Gal | A.O. Smith Voltex MAX 80 Gal | |
|---|---|---|
| Ratings (ENERGY STAR) | ||
| Size (nominal) | 80 gal | 80 gal |
| Tank volume (measured) | 82 gal | 81 gal |
| Uniform Energy Factor | 3.88 | 3.88 |
| First-hour rating | 95 gal | 95 gal |
| Draw pattern | High | High |
| Yearly energy use | 1,279 kWh | 1,279 kWh |
| Heat pump cut-off (low) | 37 °F | 37 °F |
| Sound level | 45 dB(A) | 45 dB(A) |
| ENERGY STAR ID | 2408847 | 3417562 |
| Installation | ||
| Power | 240 V | 240 V |
| Circuit | 30 A, 208/240 V | 30 A, 208/240 V |
| Backup element | 4,500 W | 4,500 W |
| Operating air range | 37 to 120 °F | 37 to 120 °F |
| Minimum room size | 450 cu ft | 450 cu ft |
| Size | 69 in tall, 27 in across | 69 in tall, 27 in across |
| Weight | 302 lb | 302 lb |
| Refrigerant | R-134a | R-134a |
| Features | ||
| Wi-Fi | Built in | Built in |
| App | A. O. Smith (iCOMM) | A. O. Smith (iCOMM) |
| Demand response port (CTA-2045) | Yes | Yes |
| Leak detection | Yes | Yes |
| Modes | Hybrid, Heat Pump, Electric, Vacation | Hybrid, Heat Pump, Hot Water+ (3 levels), Guest, Electric, Vacation |
| Warranty and models | ||
| Warranty | 10 yr tank, 10 yr parts, 1 yr labor | 10 yr tank, 10 yr parts, 1 yr labor |
| Also sold as | American HPS10280H045DV, Lochinvar HPSA080KD, Reliance 10-80-DHPTS, State HPSX-80-DHPT | American HPA10280H045DV, Lochinvar HPPA080KD, Reliance 10-80-DHPTA, State HPAX-80-DHPT |
| Released | 2022-06 | 2024-03 |