GE Profile 40 Gal
#2 in 40–50 GallonFull review
The pick for most homes with a 240 V circuit: the most efficient and quietest heater here, at every size.
GE Appliances PC Richard $2,419.97$2,419.97
3.6/5
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.
- 50 galSize
- 3.75UEF
- 73 galFirst hour
- 240 VPower
- 37.4 °FRuns down to
- 10 yr tankWarranty
Check price at Amazon$1,799Check price at Lowe's$1,799
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Built by Midea, like several other brands here, with the same certified ratings
- Delivers 73 gallons of hot water in the first hour, a lot for its size
- 10-year tank and parts warranty plus 1 year of labor
Cons
- Rinnai voids the warranty if the heater is bought from a dealer it hasn’t authorized
- Louder than most at 49 dB(A); best kept away from bedrooms
- No Wi-Fi or app control
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | REHP50 |
|---|---|
| Ratings (ENERGY STAR) | |
| Size (nominal) | 50 gal |
| Tank volume (measured) | 46 gal |
| Uniform Energy Factor | 3.75 |
| First-hour rating | 73 gal |
| Draw pattern | Medium |
| Yearly energy use | 844 kWh |
| Heat pump cut-off (low) | 37.4 °F |
| Sound level | 49 dB(A) |
| ENERGY STAR ID | 3531243 |
| Installation | |
| Power | 240 V |
| Circuit | 30 A, 208/240 V |
| Backup element | 4,500 W |
| Operating air range | 37 to 107 °F |
| Minimum room size | 700 cu ft |
| Size | 66.4 in tall, 21.7 in across |
| Weight | 218 lb |
| Refrigerant | R-134a |
| Features | |
| Wi-Fi | No |
| Leak detection | No |
| Modes | Economy, Heat Pump, Hybrid, E-Heater, Vacation |
| Warranty and models | |
| Warranty | 10 yr tank, 10 yr parts, 1 yr labor |
| Released | 2024-08 |
Alternatives in this size
Rheem ProTerra 50 Gal
#3 in 40–50 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 $1,699$1,699
A.O. Smith Voltex AL 50 Gal
#5 in 40–50 GallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $1,950$1,950
Compare
Compare the Rinnai REHP50 with any other heat pump water heater →
More from Rinnai: every Rinnai product ranked.