Water Heater Ratings

Water Heater Ratings
Ratings Guide
Best
Better
Good
Fair
Poor

A O Smith
ATI-110-N

Type: 6.6 GPM Tankless
Fuel: Natural Gas
Flow: 3 GPM (77* Rise)
Nominal Price: $700
Energy

0.82

Factor
Utility Cost

$247

National Avg
Warranty

15

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$106

Per GPM
Vent

Power

Type
10 Yr Cost

$4200

Install+Utilities
American
GT-110-NE

Type: 6.6 GPM Tankless
Fuel: Natural Gas
Flow: 3 GPM (77* Rise)
Nominal Price: $800
Energy

0.82

Factor
Utility Cost

$247

National Avg
Warranty

15

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$121

Per GPM
Vent

Power

Type
10 Yr Cost

$4300

Install+Utilities
Bosch
Greentherm C 950 ES

Type: 9.2 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 4.1 GPM (77* Rise)
Nominal Price: $1200
Energy

0.95

Factor
Utility Cost

$213

National Avg
Warranty

15

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$130

Per GPM
Vent

Atmos

Type
10 Yr Cost

$4300

Install+Utilities
Bradford White
TG-180E-N

Type: 7.5 GPM Tankless
Fuel: Natural Gas
Flow: 4.6 GPM (65* Rise)
Nominal Price: $1200
Energy

0.82

Factor
Utility Cost

$247

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$160

Per GPM
Vent

Atmos

Type
10 Yr Cost

$4700

Install+Utilities
EEMax
EX190T2

Type: 4 GPM Tankless
Fuel: Electric
Flow: 1.7 GPM (77* Rise)
Nominal Price: $600
Energy

0.99

Factor
Utility Cost

$554

National Avg
Warranty

5

Yrs Tank/HE
Warranty

1

Yrs Parts
Unit Cost

$150

Per GPM
Vent

NA

Type
10 Yr Cost

$7100

Install+Utilities
Eternal
GU195S

Type: 19.5 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 4.9 GPM (77* Rise)
Nominal Price: $2200
Energy

0.96

Factor
Utility Cost

$211

National Avg
Warranty

15

Yrs Tank/HE
Warranty

3

Yrs Parts
Unit Cost

$113

Per GPM
Vent

PowerD

Type
10 Yr Cost

$5300

Install+Utilities
GE
BEH50DCEH

Type: 50 Gal Tank
Fuel: Electric Heat Pump
Flow: 65 GPH 1st Hr
Nominal Price: $1000
Energy

2.4

Factor
Utility Cost

$229

National Avg
Warranty

6

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$20

Per Gal
Vent

NA

Type
10 Yr Cost

$3600

Install+Utilities
Lochinvar
HPA050KD

Type: 50 Gal Tank
Fuel: Electric Heat Pump
Flow: 67 GPH 1st Hr
Nominal Price: $1000
Energy

2.75

Factor
Utility Cost

$200

National Avg
Warranty

10

Yrs Tank/HE
Warranty

10

Yrs Parts
Unit Cost

$20

Per Gal
Vent

NA

Type
10 Yr Cost

$3300

Install+Utilities
Marathon
MR105238

Type: 105 Gal Tank
Fuel: Electric
Flow: 101 GPH 1st Hr
Nominal Price: $1100
Energy

0.91

Factor
Utility Cost

$603

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$10

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Navien
NPE-180A-NG

Type: 8.4 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 3.8 GPM (77* Rise)
Nominal Price: $1000
Energy

0.97

Factor
Utility Cost

$209

National Avg
Warranty

15

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$119

Per GPM
Vent

PowerD

Type
10 Yr Cost

$4100

Install+Utilities
Noritz
NR501-OD-NG

Type: 5 GPM Tankless
Fuel: Natural Gas
Flow: 2.7 GPM (77* Rise)
Nominal Price: $500
Energy

0.86

Factor
Utility Cost

$235

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$100

Per GPM
Vent

Power

Type
10 Yr Cost

$3900

Install+Utilities
Reliance
TS-140-GEH

Type: 6.6 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 2.8 GPM (77* Rise)
Nominal Price: $1100
Energy

0.93

Factor
Utility Cost

$217

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$167

Per GPM
Vent

Direct

Type
10 Yr Cost

$4300

Install+Utilities
Rheem
ECO150XLN3

Type: 6.4 GPM Tankless
Fuel: Natural Gas
Flow: 3.3 GPM (77* Rise)
Nominal Price: $700
Energy

0.82

Factor
Utility Cost

$247

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$109

Per GPM
Vent

Power

Type
10 Yr Cost

$4200

Install+Utilities
Richmond
RMTGH84XLN

Type: 8.4 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 3.8 GPM (77* Rise)
Nominal Price: $900
Energy

0.92

Factor
Utility Cost

$220

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$107

Per GPM
Vent

PowerD

Type
10 Yr Cost

$4100

Install+Utilities
Rinnai
RU98i-N

Type: 9.8 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 4.9 GPM (77* Rise)
Nominal Price: $1300
Energy

0.95

Factor
Utility Cost

$213

National Avg
Warranty

12

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$133

Per GPM
Vent

Power

Type
10 Yr Cost

$4400

Install+Utilities
Ruud
PRO+G50-36U RU68

Type: 50 Gal Tank
Fuel: Natural Gas
Flow: 93 GPH 1st Hr
Nominal Price: $700
Energy

0.68

Factor
Utility Cost

$297

National Avg
Warranty

8

Yrs Tank/HE
Warranty

8

Yrs Parts
Unit Cost

$14

Per Gal
Vent

Atmos

Type
10 Yr Cost

$4000

Install+Utilities
Sears Kenmore
33136

Type: 50 Gal Tank
Fuel: Natural Gas
Flow: 96 GPH 1st Hr
Nominal Price: $1000
Energy

0.7

Factor
Utility Cost

$289

National Avg
Warranty

6

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$20

Per Gal
Vent

Power

Type
10 Yr Cost

$4200

Install+Utilities
State
EPX 60 DHPT

Type: 60 Gal Tank
Fuel: Electric Heat Pump
Flow: 68 GPH 1st Hr
Nominal Price: $1100
Energy

2.33

Factor
Utility Cost

$236

National Avg
Warranty

10

Yrs Tank/HE
Warranty

10

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$3800

Install+Utilities
Stiebel Eltron
Accelera 300

Type: 80 Gal Tank
Fuel: Electric Heat Pump
Flow: 78 GPH 1st Hr
Nominal Price: $2400
Energy

2.73

Factor
Utility Cost

$201

National Avg
Warranty

10

Yrs Tank/HE
Warranty

10

Yrs Parts
Unit Cost

$30

Per Gal
Vent

NA

Type
10 Yr Cost

$4700

Install+Utilities
Takagi
T-H3-DV-N

Type: 10 GPM Tankless
Fuel: Natural Gas Condensing
Flow: 4.9 GPM (77* Rise)
Nominal Price: $1200
Energy

0.95

Factor
Utility Cost

$213

National Avg
Warranty

15

Yrs Tank/HE
Warranty

5

Yrs Parts
Unit Cost

$120

Per GPM
Vent

PowerD

Type
10 Yr Cost

$4300

Install+Utilities
Whirlpool
HPSE2K50HD045V

Type: 50 Gal Tank
Fuel: Electric Heat Pump
Flow: 67 GPH 1st Hr
Nominal Price: $1100
Energy

2.75

Factor
Utility Cost

$200

National Avg
Warranty

10

Yrs Tank/HE
Warranty

10

Yrs Parts
Unit Cost

$22

Per Gal
Vent

NA

Type
10 Yr Cost

$3400

Install+Utilities

About This Data: Operating and 10 year costs are based on US EIA national averages of Electricity ($0.0125/kWh), Natural Gas ($13.50/1000 ft3), and Propane ($3.00/gal). Your state may be higher or lower, so compare relative costs between water heaters. Listed water heater prices are nominal and may vary. Installation costs are assumed $300 (tanks) and $1,000 (tankless).

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