Quick verdict
What your current unit costs to operate
Based on U.S. average energy rates (EIA). UEF 3.90.
Replacement options
Bradford White RE2HP65-1NCTT
Heat PumpUEF 4.20 / ~$204/yr / 10-yr tank warranty
Highest UEF in class at 4.20 vs 3.90, compact 44.6-inch height vs 65.5 inches
- 20.9" shorter than your current unit
- 3.6" narrower than your current unit
Rheem PROPH65 T2 RH400-30
Heat PumpUEF 4.05 / ~$204/yr / 10-yr tank warranty
UEF 4.05 vs 3.90, Wi-Fi included, similar height at 64.19 vs 65.5 inches
Navien NWP500S065AUMB
Heat PumpUEF 4.03 / ~$215/yr / 10-yr tank warranty
UEF 4.03 vs 3.90, 45 dBA noise, Wi-Fi included, shorter at 63 vs 65.5 inches
- Needs condensate drain (your current unit does not)
- 2.5" shorter than your current unit
A. O. Smith HPTS-66-2
Heat PumpUEF 3.70 / ~$213/yr / 10-yr tank warranty
UEF 3.70, 45 dBA noise, Wi-Fi included, 67-gal capacity vs 60 gal
- Needs condensate drain (your current unit does not)
- 4.0" shorter than your current unit
Replacement comparison
| Spec | Your unit | RE2HP65-1NCTT | PROPH65 T2 RH400-30 | NWP500S065AUMB | HPTS-66-2 |
|---|---|---|---|---|---|
| UEF | 3.90 | 4.20 | 4.05 | 4.03 | 3.70 |
| Annual Cost | $214/yr | $204/yr | $204/yr | $215/yr | $213/yr |
| Annual Savings | $10/yr | $10/yr | $-1/yr | $1/yr | |
| Height | 65.5" | 44.6" | 64.2" | 63" | 61.5" |
| Width | 25.6" | 22.0" | 24.2" | 25" | 26.5" |
| 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.