Tankless Water Heaters |
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$656.60
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Takagi Flash T-K3-OS Gas
Manufactured by: Takagi
Maximum GPM (77 degree Fahrenheit rise): 4.1
Energy Factor : 0.82
Recovery Efficiency: 82%
Annual Fuel Cost: $236
Lifecycle Fuel Cost (13 years): 3062
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.
76
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.
$679.15
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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.
 89
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.
99
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.
96
The higher the rating, the better.
$761.25
Check Price
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.
 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.
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.
97
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.
86
The higher the rating, the better.
$786.99
Check Price
Takagi Flash T-K3 Gas
Manufactured by: Takagi
Maximum GPM (77 degree Fahrenheit rise): 4.2
Energy Factor : 0.84
Recovery Efficiency: 83%
Annual Fuel Cost: $232
Lifecycle Fuel Cost (13 years): 3012
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.
 86
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.
77
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.
89
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.
97
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.
83
The higher the rating, the better.
$809.99
Check Price
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.
 86
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.
96
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.
81
The higher the rating, the better.
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