Our Story
How We Rate
Eco-Dictionary
Buying Guides
Rebates
Login
Join
All Products
>
Tankless Water Heaters
Products
Technologies
Automobiles
2009 Models
2010 Models
Bathroom Faucets
Computers
Desktops
Integrated Desktops
Laptops
Netbooks
Dishwashers
Dryers
Light Bulbs
Paint
Refrigerators
Showerheads
Solar Power
Tankless Water Heaters
Televisions
Televisions: 11-22 Inch
Televisions: 26-32 Inch
Televisions: 36-42 Inch
Televisions: 46-52 Inch
Televisions: 55-72 Inch
Toilets
Washers
Wind Power
1-3 Kilowatt Turbines
4-9 Kilowatt Turbines
10-15 Kilowatt Turbines
Heating
Heating & Cooling
Insulation
Lighting
Renewable Energy
Water Heating
Tankless Water Heaters
|
Customize ratings according to your Zip Code
Update
Refine Results
Price Range
$560 - $766 (12)
$773 - $873 (12)
$899 - $945 (12)
$950 - $1099 (12)
$1098 - $2588 (14)
Brands
Rheem (29)
Noritz (15)
Rinnai (10)
Takagi (8)
Energy Factor
0.82 (44)
0.83 (9)
0.84 (3)
0.86 (2)
0.91 (1)
See All >
All Energy Factor
0.82 (44)
0.86 (2)
0.93 (1)
0.83 (9)
0.91 (1)
0.94 (1)
0.84 (3)
0.92 (1)
Maximum GPM (77 degree Fahrenheit ...
4.3 (20)
4 (9)
3 (8)
3.9 (5)
3.1 (4)
See All >
All Maximum GPM (77 degree Fahrenheit rise)
3 (8)
4 (9)
4.5 (1)
3.1 (4)
4.1 (2)
4.6 (1)
3.3 (2)
4.2 (3)
4.9 (3)
3.8 (2)
4.3 (20)
4.6 (1)
3.9 (5)
Fuel Types
Gas (32)
Propane (30)
Annual Fuel Cost
$210 - $234 (12)
$234 - $234 (12)
$234 - $337 (12)
$337 - $374 (12)
$374 - $380 (14)
Lifecycle Fuel Costs
3045 (26)
4862 (19)
3062 (2)
4424 (2)
4376 (2)
See All >
All Lifecycle Fuel Costs
2729 (1)
3963 (1)
4716 (1)
2762 (1)
4254 (1)
4838 (1)
3012 (1)
4303 (1)
4862 (19)
3045 (26)
4376 (2)
4935 (1)
3062 (2)
4424 (2)
4862 (19)
3078 (1)
Recovery Efficiencies
81% - 82% (12)
82% - 82% (12)
82% - 82% (12)
82% - 83% (12)
83% - 94% (14)
62 results
1
2
3
4
5
6
7
8
9
10
11
...
13
Next
Results per page
5
10
25
Sort by Average Eco-rating
Sort by Environmental Impact
Sort by Consumption
Sort by Lifecycle Cost
Sort by Price
$560.15
Rheem RTG-53XN Gas
Manufactured by:
Rheem
Maximum GPM (77 degree Fahrenheit rise):
3
Energy Factor :
0.82
Recovery Efficiency:
82%
Annual Fuel Cost:
$234
Lifecycle Fuel Cost (13 years):
3045
Made in Japan - 6240 miles away from you
Average Eco-rating
Average Eco-rating: A product's balance between environmental and economic considerations. The product that has the highest Average Eco-rating is both environmentally preferred and cost-effective to purchase and own.
90
Environmental Impact Rating: based on a product's Consumption Rating (see below), warranty on heat exchanger, manufacturing location and manufacturer's commitment(s) to environmental stewardship. The higher the rating, the lesser the environmental impact of the product relative to others within the category.
75
Consumption Rating: based on a product’s Energy Factor relative to others within the category. The higher the rating, the more energy-efficient the tankless water heater.
87
Lifecycle Cost Rating: based on a product’s cost of ownership, including its purchase price and cost of operation (energy and water costs), relative to others within the category. The higher the rating, the more cost-effective the tankless water heater.
100
Price Rating: based on a product’s purchase price relative to others within the category. The higher the rating, the better (lower) the price of the product.
100
The higher the rating, the better.
$624.96
Rheem RTG-53DVN Gas
Manufactured by:
Rheem
Maximum GPM (77 degree Fahrenheit rise):
3
Energy Factor :
0.82
Recovery Efficiency:
82%
Annual Fuel Cost:
$234
Lifecycle Fuel Cost (13 years):
3045
Made in Japan - 6240 miles away from you
Average Eco-rating
Average Eco-rating: A product's balance between environmental and economic considerations. The product that has the highest Average Eco-rating is both environmentally preferred and cost-effective to purchase and own.
87
Environmental Impact Rating: based on a product's Consumption Rating (see below), warranty on heat exchanger, manufacturing location and manufacturer's commitment(s) to environmental stewardship. The higher the rating, the lesser the environmental impact of the product relative to others within the category.
75
Consumption Rating: based on a product’s Energy Factor relative to others within the category. The higher the rating, the more energy-efficient the tankless water heater.
87
Lifecycle Cost Rating: based on a product’s cost of ownership, including its purchase price and cost of operation (energy and water costs), relative to others within the category. The higher the rating, the more cost-effective the tankless water heater.
98
Price Rating: based on a product’s purchase price relative to others within the category. The higher the rating, the better (lower) the price of the product.
89
The higher the rating, the better.
$773.99
Rinnai R50LSIN Gas
Manufactured by:
Rinnai
Maximum GPM (77 degree Fahrenheit rise):
3.3
Energy Factor :
0.82
Recovery Efficiency:
83%
Annual Fuel Cost:
$234
Lifecycle Fuel Cost (13 years):
3045
Made in Japan - 6240 miles away from you
Average Eco-rating
Average Eco-rating: A product's balance between environmental and economic considerations. The product that has the highest Average Eco-rating is both environmentally preferred and cost-effective to purchase and own.
83
Environmental Impact Rating: based on a product's Consumption Rating (see below), warranty on heat exchanger, manufacturing location and manufacturer's commitment(s) to environmental stewardship. The higher the rating, the lesser the environmental impact of the product relative to others within the category.
80
Consumption Rating: based on a product’s Energy Factor relative to others within the category. The higher the rating, the more energy-efficient the tankless water heater.
87
Lifecycle Cost Rating: based on a product’s cost of ownership, including its purchase price and cost of operation (energy and water costs), relative to others within the category. The higher the rating, the more cost-effective the tankless water heater.
94
Price Rating: based on a product’s purchase price relative to others within the category. The higher the rating, the better (lower) the price of the product.
72
The higher the rating, the better.
$761.25
Noritz NR66-SV-NG (N-0531S-OD) Gas
Manufactured by:
Noritz America Corporation
Maximum GPM (77 degree Fahrenheit rise):
3.1
Energy Factor :
0.83
Recovery Efficiency:
82%
Annual Fuel Cost:
$234
Lifecycle Fuel Cost (13 years):
3045
Made in Japan - 6240 miles away from you
Average Eco-rating
Average Eco-rating: A product's balance between environmental and economic considerations. The product that has the highest Average Eco-rating is both environmentally preferred and cost-effective to purchase and own.
83
Environmental Impact Rating: based on a product's Consumption Rating (see below), warranty on heat exchanger, manufacturing location and manufacturer's commitment(s) to environmental stewardship. The higher the rating, the lesser the environmental impact of the product relative to others within the category.
80
Consumption Rating: based on a product’s Energy Factor relative to others within the category. The higher the rating, the more energy-efficient the tankless water heater.
88
Lifecycle Cost Rating: based on a product’s cost of ownership, including its purchase price and cost of operation (energy and water costs), relative to others within the category. The higher the rating, the more cost-effective the tankless water heater.
94
Price Rating: based on a product’s purchase price relative to others within the category. The higher the rating, the better (lower) the price of the product.
73
The higher the rating, the better.
$809.99
Noritz N-0531S-NG Gas
Manufactured by:
Noritz America Corporation
Maximum GPM (77 degree Fahrenheit rise):
3.1
Energy Factor :
0.82
Recovery Efficiency:
82%
Annual Fuel Cost:
$234
Lifecycle Fuel Cost (13 years):
3045
Made in Japan - 6240 miles away from you
Average Eco-rating
Average Eco-rating: A product's balance between environmental and economic considerations. The product that has the highest Average Eco-rating is both environmentally preferred and cost-effective to purchase and own.
82
Environmental Impact Rating: based on a product's Consumption Rating (see below), warranty on heat exchanger, manufacturing location and manufacturer's commitment(s) to environmental stewardship. The higher the rating, the lesser the environmental impact of the product relative to others within the category.
80
Consumption Rating: based on a product’s Energy Factor relative to others within the category. The higher the rating, the more energy-efficient the tankless water heater.
87
Lifecycle Cost Rating: based on a product’s cost of ownership, including its purchase price and cost of operation (energy and water costs), relative to others within the category. The higher the rating, the more cost-effective the tankless water heater.
93
Price Rating: based on a product’s purchase price relative to others within the category. The higher the rating, the better (lower) the price of the product.
69
The higher the rating, the better.
1
2
3
4
5
6
7
8
9
10
11
...
13
Next
Products
Technologies
Automobiles
2009 Models
2010 Models
Bathroom Faucets
Computers
Desktops
Integrated Desktops
Laptops
Netbooks
Dishwashers
Dryers
Light Bulbs
Paint
Refrigerators
Showerheads
Solar Power
Tankless Water Heaters
Televisions
Televisions: 11-22 Inch
Televisions: 26-32 Inch
Televisions: 36-42 Inch
Televisions: 46-52 Inch
Televisions: 55-72 Inch
Toilets
Washers
Wind Power
1-3 Kilowatt Turbines
4-9 Kilowatt Turbines
10-15 Kilowatt Turbines
Heating
Heating & Cooling
Insulation
Lighting
Renewable Energy
Water Heating
©2010 ECO-RATE, LLC