Every replacement below is a published model with verified specs. Savings calculated from EIA average energy prices.
Quick verdict
Fewest install changes
Rheem PROPH65 T2 RH400-30
no detected install changes
Lowest annual bill
Bradford White RE2HP65-1NCTT
$204/yr
Shortest unit
Bradford White RE2HP65-1NCTT
44.6" tall
Your RE2H65T costs $235/yr. Every option below cuts that bill. See all heat pump models
What your current unit costs to operate
Annual$235/yr
10-year projection$2,350
Based on U.S. average energy rates (EIA). UEF 3.64.
Replacement options
Bradford White RE2HP65-1NCTT
Heat PumpUEF 4.20 / ~$204/yr / 10-yr tank warranty
Same brand next-gen, UEF jumps from 3.64 to 4.20, height drops from 63.75 to 44.6 inches
Annual savings$31/yr
10-year savings$310
Install changes
- 19.1" shorter than your current unit
- 3.0" narrower than your current unit
Rheem PROPH65 T2 RH400-30
Heat PumpUEF 4.05 / ~$204/yr / 10-yr tank warranty
Cross-brand upgrade, UEF jumps from 3.64 to 4.05
Annual savings$31/yr
10-year savings$310
Similar installation profile. Same type with no detected differences in voltage, breaker, venting, or major dimensions. Verify fit, clearances, and local code requirements before ordering.
Navien NWP500S065AUMB
Heat PumpUEF 4.03 / ~$215/yr / 10-yr tank warranty
Cross-brand upgrade, UEF jumps from 3.64 to 4.03
Annual savings$20/yr
10-year savings$200
Install changes
- Needs condensate drain (your current unit does not)
Rinnai REHP65BM
Heat PumpUEF 3.90 / ~$214/yr / 10-yr tank warranty
Cross-brand upgrade, UEF jumps from 3.64 to 3.90
Annual savings$21/yr
10-year savings$210
Similar installation profile. Same type with no detected differences in voltage, breaker, venting, or major dimensions. Verify fit, clearances, and local code requirements before ordering.
Side by side, the key differences.
Replacement comparison
| Spec | Your unit | RE2HP65-1NCTT | PROPH65 T2 RH400-30 | NWP500S065AUMB | REHP65BM |
|---|---|---|---|---|---|
| UEF | 3.64 | 4.20 | 4.05 | 4.03 | 3.90 |
| Annual Cost | $235/yr | $204/yr | $204/yr | $215/yr | $214/yr |
| Annual Savings | $31/yr | $31/yr | $20/yr | $21/yr | |
| Height | 63.8" | 44.6" | 64.2" | 63" | 65.5" |
| Width | 25" | 22.0" | 24.2" | 25" | 25.6" |
| Warranty | 10 yr | 10 yr | 10 yr | 10 yr | 10 yr |
● Best value in each row. Your unit column shows the model being replaced.
Common install considerations for heat pump units
What is required depends on your existing installation, local code, and installer preference.
The federal tax credit of up to $2,000 under IRA Section 25C expired December 31, 2025. State and utility rebates may still apply.
Related
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Sources. ENERGY STAR, manufacturer spec sheets, EIA average energy prices.Methodology