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
3.7/5
The Midea original behind several heaters here, sold through HVAC contractors. Buy whichever version is easiest to get with the warranty you want.
- 65 galSize
- 3.90UEF
- 80 galFirst hour
- 240 VPower
- 37.4 °FRuns down to
- 10 yr tankWarranty
See it at Midea
No store we check sells it online; the maker lists where to buy or who installs it.
Pros
- The original design behind the Rinnai, Bosch, Senville and ACiQ heaters here
- Delivers 80 gallons of hot water in the first hour, a lot for its size
- Built-in Wi-Fi: set schedules and vacation mode from the Midea SmartHome app
Cons
- Parts are covered 5 years unless registered (then 10)
- Louder than most at 49 dB(A); best kept away from bedrooms
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 | MAHW-65VN3A |
|---|---|
| Ratings (ENERGY STAR) | |
| Size (nominal) | 65 gal |
| Tank volume (measured) | 60 gal |
| Uniform Energy Factor | 3.90 |
| First-hour rating | 80 gal |
| Draw pattern | High |
| Yearly energy use | 1,240 kWh |
| Heat pump cut-off (low) | 37.4 °F |
| Sound level | 49 dB(A) |
| ENERGY STAR ID | 3629617 |
| Installation | |
| Power | 240 V |
| Circuit | 30 A, 208/240 V |
| Backup element | 4,500 W |
| Operating air range | 37 to 109 °F |
| Size | 45.5 in tall, 21.8 in across |
| Weight | 271 lb |
| Refrigerant | R-134a |
| Features | |
| Wi-Fi | Built in |
| App | Midea SmartHome |
| Demand response port (CTA-2045) | Yes |
| Leak detection | No |
| Modes | Economy, Heat Pump, Hybrid, E-Heater, Vacation |
| Warranty and models | |
| Warranty | 10 yr tank, 10 yr parts |
| Also sold as | Kepler AZMCHW-65VN3A, Eco-Logical ECO-65HPM1A, Alsetria HPWH - 65G, ECO-AIR HPWH - 65G, NOVAIR TCL-65GL-R134A, Custom Comfort CCOHPWH65A |
| Released | 2024-06 |
Alternatives in this size
A.O. Smith Voltex AL 66 Gal
#9 in 65 GallonFull review
A solid 240 V heater with leak protection included, sold at Lowe’s as the Signature 900 line.
Lowe's $2,598$2,598
Ariston NUOS Side-Connect 65 Gal
#11 in 65 GallonFull review
A non-Midea design with a leak sensor built in and a 10-year tank and parts warranty, sold through plumbing dealers. It is louder than most here.
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