ENERGY STAR® Program


Sponsored by the U. S. Environmental Protection Agency and the Department of Energy, the ENERGY STAR® program promotes environmentally conscious products, which often can translate into savings for homeowners. We are pleased to announce that the following A. O. Smith high efficiency water heaters have been recognized as ENERGY STAR® water heaters. These are ideal hot water solutions for the homeowner looking to go green and save green.

*Effective as of September 1, 2010.

2015 Manufacturer's Certification Statement

HIGH EFFICIENCY WATER HEATERS



ENERGY STAR High Efficiency Water Heaters

Residential Water Heaters

Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
Effex®
GAHH-50 100 50 0.70 43 3 or 4 40000 60.63 22.00 81 1.0
GAHH-40 102 40 0.70 43 3 or 4 40000 61.75 20.00 70 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
High Efficiency Flue Damper
GCF-50 (LP) 101 50 0.67 42 3 or 4 40000 57.25 22.00 81 1.0
GCF-50 100 50 0.67 42 3 or 4 40000 57.25 22.00 81 1.0
GCFL-50 100 50 0.67 42 3 or 4 40000 49.50 24.00 86 1.0
GCF-40 (LP) 101 40 0.67 42 3 or 4 40000 58.25 20.00 67 1.0
GCFL-40 100 40 0.67 42 3 or 4 40000 47.75 22.00 67 1.0
GCFL-40 (LP) 101 40 0.67 42 3 or 4 40000 47.75 22.00 67 1.0
GCF-40 100 40 0.67 42 3 or 4 40000 58.25 20.00 67 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
ProMax®
GPVT-50 (LP) 201 50 0.70 56 4 50000 65.00 22.00 96 1.0
GPDT-50 50 0.70 50 2 or 3 or 4 45000 58.75 22.00 93 1.0
GPNH-50 50 0.68 43 2 or 3 42000 65.63 22.00 81 1.0
GPVL-50 200 50 0.70 45 4 40000 50.75 24.00 90 1.0
GPVL-50 (LP) 201 50 0.70 45 4 40000 50.75 24.00 90 1.0
GPVT-50 200 50 0.70 56 4 50000 65.00 22.00 96 1.0
GPVT-40 200 40 0.70 56 4 50000 63.00 20.50 90 1.0
GPVT-40 (LP) 201 40 0.70 56 4 50000 63.00 20.50 90 1.0
GPVL-40 200 40 0.70 45 4 40000 49.63 22.00 73 1.0
GPVL-40 (LP) 201 40 0.70 45 4 40000 49.63 22.00 73 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
ProMax®
GPDL-40 40 0.71 45 2 or 3 or 4 40000 49.50 22.00 71 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
ProMax®
GPNH-40 40 0.68 43 2 or 3 42000 58.63 20.00 69 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
ProMax®
GPDL-40 (LP) 40 0.71 45 2 or 3 or 4 40000 49.50 22.00 71 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
ProMax® Side Loop
GPDX-50L 50 0.71 73 3 or 4 62000 60.25 22.00 115 1.0
GPDL-40L (LP) 40 0.71 45 2 or 3 or 4 40000 49.50 22.00 71 1.0
GPDL-40L 40 0.71 45 2 or 3 or 4 40000 49.50 22.00 71 1.0
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
Tankless
ATI-240H-N 0 0.95 0 3 or 4 160000 23.63 0.00 0 1.5
ATI-240H-P 0 0.95 0 3 or 4 160000 23.63 0.00 0 1.5
ATI-340H-N 0 0.95 0 3 or 4 180000 23.63 0.00 0 1.5
ATI-340H-P 0 0.95 0 3 or 4 180000 23.63 0.00 0 1.5
ATI-540H-N 0 0.95 0 3 or 4 199000 23.63 0.00 0 1.5
ATI-540H-P 0 0.95 0 3 or 4 199000 23.63 0.00 0 1.5
ATO-240H-N 0 0.95 0 3 or 4 160000 23.63 0.00 0 1.5
ATO-240H-P 0 0.95 0 3 or 4 160000 23.63 0.00 0 1.5
ATO-340H-N 0 0.95 0 3 or 4 180000 23.63 0.00 0 1.5
ATO-340H-P 0 0.95 0 3 or 4 180000 23.63 0.00 0 1.5
ATO-540H-N 0 0.95 0 3 or 4 199000 23.63 0.00 0 1.5
ATO-540H-P 0 0.95 0 3 or 4 199000 23.63 0.00 0 1.5
ATI-140H-N 0 0.93 0 3 or 4 120000 22.87 0.00 0 1.5
ATO-140H-N 0 0.93 0 3 or 4 120000 22.87 0.00 0 1.5
ATI-140H-P 0 0.93 0 3 or 4 120000 22.87 0.00 0 1.5
ATO-140H-P 0 0.93 0 3 or 4 120000 22.87 0.00 0 1.5
Model Number Series Gallon Capacity Energy Factor Recovery Rise 90oF GPH Vent Connection (Inches) Input BTU/HR Height* Diameter First Hour Rating Gallons LEED Rating
Voltex® Hybrid Electric Heat Pump
HHPT-80 80 2.33 0 0 81.50 24.50 84 2.0
FHPT-80 80 2.72 0 0 69.00 27.00 90 2.0
FHPT-66 66 2.74 0 0 61.00 27.00 81 2.0
FHPT-50 50 2.75 0 0 63.00 22.00 68 2.0



Commercial Water Heaters

Cyclone

 
Model Number   Input   Water Heater Volume   Thermal Efficiency   Standby Loss   Fuel Type  
BTX 100 100,000 50 gallon 0.96 499 Nat Gas
BTX 100 100,000 50 gallon 0.96 499 LP Gas
BTH 120 120,000 60 gallon 0.95 613 Nat Gas
BTH 120 120,000 60 gallon 0.95 613 LP Gas
BTH 150 150,000 100 gallon 0.98 1079 Nat Gas
BTH 150 150,000 100 gallon 0.98 1079 LP Gas
BTH 199 199,900 100 gallon 0.97 967 Nat Gas
BTH 199 199,900 100 gallon 0.97 967 LP Gas
BTH 250 250,000 100 gallon 0.96 748 Nat Gas
BTH 250 250,000 100 gallon 0.96 748 LP Gas
BTH 300A 300,000 119 gallon 0.96 1084 Nat Gas
BTH 300A 300,000 119 gallon 0.96 1084 LP Gas
BTH 300 300,000 119 gallon 0.96 1084 Nat Gas
BTH 300 300,000 119 gallon 0.96 1084 LP Gas
BTH 400A 399,900 119 gallon 0.95 1,100 Nat Gas
BTH 400A 399,900 119 gallon 0.95 1,100 LP Gas
BTH 400 399,900 119 gallon 0.95 1,100 Nat Gas
BTH 400 399,900 119 gallon 0.95 1,100 LP Gas
BTH 500A 499,900 119 gallon 0.95 1,080 Nat Gas
BTH 500A 499,900 119 gallon 0.95 1,080 LP Gas
BTH 500 499,900 119 gallon 0.95 1,080 Nat Gas
BTH 500 499,900 119 gallon 0.95 1,080 LP Gas


XP Hot Water Boiler

 
Model Number   Input   Water Heater Volume   Thermal Efficiency   Standby Loss   Fuel Type  
XWH 1000N 920,000 3 gallon 0.95 NA Nat Gas
XWH 1000P 999,900 3 gallon 0.95 NA LP Gas
XWH 1300 1,300,000 4 gallon 0.95 NA Yes
XWH 1700 1,700,000 5 gallon 0.95 NA Yes
XWH 2000 1,999,900 6 gallon 0.95 NA Yes
XWH 2600 2,600,000 8 gallon 0.95 NA Yes
XWH 3400 3,400,000 9.9 gallon 0.95 NA Yes