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.
The Bradford White AeroTherm 65 Gal is the better heat pump water heater overall, rated 4.0 to 3.7. The Bradford White AeroTherm 65 Gal leads on efficiency and cold rooms.

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.
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.
Which should you buy?
- Choose the Bradford White AeroTherm 65 Gal for efficiency (4.20 UEF vs 4.03 UEF) and cold rooms (heat pump runs down to 37 °F room air vs heat pump runs down to 41 °F room air).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 65 gallon heat pump water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Bradford White AeroTherm 65 Gal | Navien NWP500 65 Gal |
|---|---|---|
| Overall rating | 4.0/5 | 3.7/5 |
| Efficiency 35% | 86 4.20 UEF | 74 4.03 UEF |
| Hot water 20% | 88 82 gallons in the first hour | 80 80 gallons in the first hour |
| Warranty 20% | 70 10-year tank, 10-year parts | 75 10-year tank, 10-year parts, 1-year labor |
| Cold rooms 15% | 32 heat pump runs down to 37 °F room air | 16 heat pump runs down to 41 °F room air |
| Noise 10% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
Specifications
| Bradford White AeroTherm 65 Gal | Navien NWP500 65 Gal | |
|---|---|---|
| Ratings (ENERGY STAR) | ||
| Size (nominal) | 65 gal | 65 gal |
| Tank volume (measured) | 65 gal | 61 gal |
| Uniform Energy Factor | 4.20 | 4.03 |
| First-hour rating | 82 gal | 80 gal |
| Draw pattern | High | High |
| Yearly energy use | 1,181 kWh | 1,245 kWh |
| Heat pump cut-off (low) | 37 °F | 41 °F |
| ENERGY STAR ID | 4439730 | 4015937 |
| Installation | ||
| Power | 240 V | 240 V |
| Circuit | 25 A, 208/240 V | 30 A, 208/240 V |
| Backup element | 4,000 W | 5,000 W |
| Operating air range | 37 to 120 °F | 41 to 113 °F |
| Minimum room size | 700 cu ft | 640 cu ft |
| Size | 44.6 in tall, 22 in across | 63 in tall, 25 in across |
| Weight | - | 204 lb |
| Refrigerant | R-134a | R-134a |
| Features | ||
| Wi-Fi | Built in | Built in |
| App | Bradford White Wave | NaviLink |
| Leak detection | - | No |
| Modes | Heat Pump, Hybrid Standard, Hybrid Plus, Electric, Vacation | Energy Saver, Heat Pump, High Demand, Electric, Vacation |
| Warranty and models | ||
| Warranty | 10 yr tank, 10 yr parts | 10 yr tank, 10 yr parts, 1 yr labor |
| Also sold as | Jetglas RE2HP6510-1NCTT | - |
| Released | 2025-07 | 2025-06 |