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Rheem PROPH50 T0 RH120-M

Ranked #21 of 32 in Best 120-Volt Heat Pump Water Heaters (2026). Here is every spec we scored, where it came from, and how it compares.

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R

#21

Rheem PROPH50 T0 RH120-M

Best for: Official UEF 3, first-hour rating 55 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

2.4/10

What we like

Official certified ratings are published for every scored criterion

Watch out for

No additional scored gaps in the official record we used

Score breakdown

Uniform energy factor 40%

First-hour rating 36%

Certified storage volume 24%

Uniform energy factor	3
First-hour rating	55 gallons
Certified storage volume	46 gallons
Uniform energy factor (ENERGY STAR UEF)	3
First-hour rating (ENERGY STAR)	55 gallons
Certified storage volume (ENERGY STAR)	46 gallons
Annual energy use (ENERGY STAR)	1072 kWh/year
Annual energy use per gallon (computed)	23.3 kWh/year per gallon, computed as certified annual energy use ÷ certified storage volume
Connected capable (ENERGY STAR)	Yes
Heat pump type (ENERGY STAR)	120 Volt Integrated HPWH
Input voltage (ENERGY STAR)	120 V
Maximum current (ENERGY STAR)	4.5 A
Lower compressor cut-off temperature (ENERGY STAR)	210.0 °F
Draw pattern (ENERGY STAR)	Medium-Usage
Recovery efficiency (ENERGY STAR)	367%
Sound pressure level (ENERGY STAR)	Not listed
Tank height (ENERGY STAR)	61.8 in
Tank diameter (ENERGY STAR)	22.3 in
Refrigerant (ENERGY STAR)	R-134a
Certified model number	PROPH50 T0 RH120-M
Official brand name on the ENERGY STAR record	Rheem
Price	Check price

Check price at Amazon

Specs sources:

Rheem PROPH50 T0 RH120-M head-to-head

Head-to-headGE Profile PF50S10FPY01 vs Rheem PROPH50 T0 RH120-M Head-to-headRheem PROPH50 T0 RH120-M vs Ruud PROUH50 T0 RU120-M

How it compares

Open the full comparison table

GE Profile PF80S10FPY01

#1 · Official UEF 3.5, first-hour rating 94 gallons, 80 gallons certified storage, ENERGY STAR connected-capable

Friedrich PROH80 T0 FD120-M

#2 · Official UEF 3.46, first-hour rating 84 gallons, 72 gallons certified storage, ENERGY STAR connected-capable

Rheem PROPH80 T0 RH120-M

#3 · Official UEF 3.46, first-hour rating 84 gallons, 72 gallons certified storage, ENERGY STAR connected-capable

Richmond 10E80-HP120M

#4 · Official UEF 3.46, first-hour rating 84 gallons, 72 gallons certified storage, ENERGY STAR connected-capable

Ruud PROUH80 T0 RU120-M

#5 · Official UEF 3.46, first-hour rating 84 gallons, 72 gallons certified storage, ENERGY STAR connected-capable

GE Profile PF65S10FPY01

#6 · Official UEF 3.4, first-hour rating 77 gallons, 65 gallons certified storage, ENERGY STAR connected-capable

A. O. Smith HPTV-80

#7 · Official UEF 3, first-hour rating 93 gallons, 82 gallons certified storage, ENERGY STAR connected-capable

Lochinvar HPV080KD

#8 · Official UEF 3, first-hour rating 93 gallons, 82 gallons certified storage, ENERGY STAR connected-capable

Reliance 10-80-DHPTV

#9 · Official UEF 3, first-hour rating 93 gallons, 82 gallons certified storage, ENERGY STAR connected-capable

State HPVX-80-DHPT

#10 · Official UEF 3, first-hour rating 93 gallons, 82 gallons certified storage, ENERGY STAR connected-capable

A. O. Smith HPTV-66

#11 · Official UEF 3.2, first-hour rating 76 gallons, 68 gallons certified storage, ENERGY STAR connected-capable

Lochinvar HPV065KD

#12 · Official UEF 3.2, first-hour rating 76 gallons, 68 gallons certified storage, ENERGY STAR connected-capable

Reliance 10-66-DHPTV

#13 · Official UEF 3.2, first-hour rating 76 gallons, 68 gallons certified storage, ENERGY STAR connected-capable

State HPVX-66-DHPT

#14 · Official UEF 3.2, first-hour rating 76 gallons, 68 gallons certified storage, ENERGY STAR connected-capable

Friedrich PROH65 T0 FD120-M

#15 · Official UEF 3.12, first-hour rating 63 gallons, 59 gallons certified storage, ENERGY STAR connected-capable

Rheem PROPH65 T0 RH120-M

#16 · Official UEF 3.12, first-hour rating 63 gallons, 59 gallons certified storage, ENERGY STAR connected-capable

Richmond 10E65-HP120M

#17 · Official UEF 3.12, first-hour rating 63 gallons, 59 gallons certified storage, ENERGY STAR connected-capable

Ruud PROUH65 T0 RU120-M

#18 · Official UEF 3.12, first-hour rating 63 gallons, 59 gallons certified storage, ENERGY STAR connected-capable

GE Profile PF50S10FPY01

#19 · Official UEF 3.2, first-hour rating 59 gallons, 50 gallons certified storage, ENERGY STAR connected-capable

Friedrich PROH50 T0 FD120-M

#20 · Official UEF 3, first-hour rating 55 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

Richmond 10E50-HP120M

#22 · Official UEF 3, first-hour rating 55 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

Ruud PROUH50 T0 RU120-M

#23 · Official UEF 3, first-hour rating 55 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

A. O. Smith HPTV-50

#24 · Official UEF 3, first-hour rating 52 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

Lochinvar HPV050KD

#25 · Official UEF 3, first-hour rating 52 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

Reliance 10-50-DHPTV

#26 · Official UEF 3, first-hour rating 52 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

State HPVX-50-DHPT

#27 · Official UEF 3, first-hour rating 52 gallons, 46 gallons certified storage, ENERGY STAR connected-capable

GE Profile PF40S10FPY01

#28 · Official UEF 3.1, first-hour rating 46 gallons, 40 gallons certified storage, ENERGY STAR connected-capable

Friedrich PROH40 T0 FD120-M

#29 · Official UEF 2.8, first-hour rating 45 gallons, 36 gallons certified storage, ENERGY STAR connected-capable

Rheem PROPH40 T0 RH120-M

#30 · Official UEF 2.8, first-hour rating 45 gallons, 36 gallons certified storage, ENERGY STAR connected-capable

Richmond 10E40-HP120M

#31 · Official UEF 2.8, first-hour rating 45 gallons, 36 gallons certified storage, ENERGY STAR connected-capable

Ruud PROUH40 T0 RU120-M

#32 · Official UEF 2.8, first-hour rating 45 gallons, 36 gallons certified storage, ENERGY STAR connected-capable