Both are heat pump water heaters. The REHP65BM is more efficient (UEF 3.90 vs 3.64). The REHP65BM saves $21/year to operate. All figures from published specs and EIA energy prices.
Performance
| Spec | RE2H65T Bradford White · Heat Pump | REHP65BM Rinnai · Heat Pump |
|---|---|---|
| UEF | 3.64 | 3.90Difference: 0.26 |
| Capacity | 64 galDifference: 4 gal | 60 gal |
| First Hour Rating | 79 gal | 80 galDifference: 1 gal |
| kW Input | 4.50 kWDifference: 1 kW | 5.50 kW |
The REHP65BM leads on efficiency. But does it fit? Sizing guide
Physical dimensions
| Dimension | RE2H65T | REHP65BM |
|---|---|---|
| Height | 63.75"Difference: 1.75" | 65.50" |
| Width | 25"Difference: 0.60" | 25.60" |
| Depth | 25"Difference: 0.69" | 25.69" |
| Weight | — | 250 lbs |
Fit checked. Now the operating cost.
Operating cost
| Cost | RE2H65T | REHP65BM |
|---|---|---|
| Annual Operating Cost | $235/yr | $214/yrDifference: $21/yr |
| 10-Year Operating Cost | $2,350 | $2,140Difference: $210 |
| Annual Energy | 1,363 kWh | 1,240 kWhDifference: 123 kWh |
10-year difference: $210 in favor of the REHP65BM, at current US average energy rates. Actual savings depend on local rates and usage patterns.
Costs vary by state. The RE2H65T ranges from $150/yr (ND) to $567/yr (HI). The REHP65BM ranges from $137/yr (ND) to $516/yr (HI).
$21/yr separates them. Install requirements determine the upfront gap. Installation accessories
Installation requirements
| Requirement | RE2H65T | REHP65BM |
|---|---|---|
| Voltage | 240Videntical | |
| Amperage | 19ADifference: 5A | 24A |
| Breaker | 30Aidentical | |
Same electrical requirements. Swapping between these units should not require electrical changes.
Warranty
| Coverage | RE2H65T | REHP65BM |
|---|---|---|
| Tank | 10 yridentical | |
| Parts | — | 10 yr |
| Labor | — | 1 yr |
Features
| Feature | RE2H65T | REHP65BM |
|---|---|---|
| Wi-Fi / Smart | — | Yes |
| Refrigerant | R-134aidentical | |
Decision split
Pick this one if...
Rinnai REHP65BM
- Minimizing energy cost matters (saves $21/yr)
- You want smart home / Wi-Fi control
- Peak efficiency is the priority (UEF 3.90)
Neither if...
- Your home only has 120V service and you cannot upgrade the panel
- Your install space is under 700 sq ft of open air
Common accessories for this type of installation.
Common install considerations for heat pump units
What is required depends on your existing installation, local code, and installer preference.
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Related
Sources. ENERGY STAR, manufacturer spec sheets, EIA average energy prices.Methodology