Rheem ProTerra 65 Gal
#4 in 65 GallonFull review
A strong 240 V choice with Wi-Fi, widely stocked at Home Depot. GE Profile beats it on efficiency and noise.
Home Depot $2,289$2,289
The Rheem ProTerra 65 Gal is the better heat pump water heater overall, rated 3.8 to 3.7. The Rheem ProTerra 65 Gal leads on efficiency and noise. The Rinnai REHP65 wins on hot water. The Rinnai REHP65 costs $631.98 less ($1,657.02 vs $2,289).
Rinnai REHP65
#8 in 65 GallonFull 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 $1,657.02$1,657.02
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 Rheem ProTerra 65 Gal for efficiency (4.05 UEF vs 3.90 UEF) and noise (45 dB(A) vs 49 dB(A)).
- Choose the Rinnai REHP65 for hot water (80 gallons in the first hour vs 75 gallons in the first hour).
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 | Rheem ProTerra 65 Gal | Rinnai REHP65 |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Efficiency 35% | 75 4.05 UEF | 64 3.90 UEF |
| Hot water 20% | 60 75 gallons in the first hour | 80 80 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 | 30 heat pump runs down to 37.4 °F room air |
| Noise 10% | 69 45 dB(A) | 44 49 dB(A) |
Specifications
| Rheem ProTerra 65 Gal | Rinnai REHP65 | |
|---|---|---|
| Ratings (ENERGY STAR) | ||
| Size (nominal) | 65 gal | 65 gal |
| Tank volume (measured) | 59 gal | 60 gal |
| Uniform Energy Factor | 4.05 | 3.90 |
| First-hour rating | 75 gal | 80 gal |
| Draw pattern | High | High |
| Yearly energy use | 1,184 kWh | 1,240 kWh |
| Heat pump cut-off (low) | 37 °F | 37.4 °F |
| Sound level | 45 dB(A) | 49 dB(A) |
| ENERGY STAR ID | 3554223 | 3722797 |
| 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 145 °F | 37 to 107 °F |
| Minimum room size | 700 cu ft | 700 cu ft |
| Size | 64.2 in tall, 24.3 in across | 45.5 in tall, 21.8 in across |
| Weight | 245 lb | 271 lb |
| Refrigerant | R-134a | R-134a |
| Features | ||
| Wi-Fi | Built in | No |
| App | EcoNet | - |
| Demand response port (CTA-2045) | Yes | Yes |
| Leak detection | No | No |
| Modes | Energy Saver, Heat Pump, High Demand, Electric, Vacation | Economy, Heat Pump, Hybrid, E-Heater, 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 | Friedrich PROH65 T2 FD400-30, Friedrich PROH65 T2 FD400-SO, Rheem PROPH65 T2 RH375-30, Rheem PROPH65 T2 RH375-SO, Rheem PROPH65 T2 RH400-30, Rheem PROPH65 T2 RH400-SO, Richmond 10E65-HP530, Richmond 10E65-HP5S30, Richmond 10E65-HP5U30, Richmond 10E65-HP5US30, Ruud PROUH65 T2 RU375-30, Ruud PROUH65 T2 RU375-SO, Ruud PROUH65 T2 RU400-30, Ruud PROUH65 T2 RU400-SO | - |
| Released | 2024-06 | 2024-09 |