AO Smith
Model: GDHE-50-NG
Type: 50 Gal Tank
Fuel: Natural Gas Condensing
Energy: 100000 BTU/H
Vent: Power Direct
Flow: 164 GPH 1st Hr
Energy Star: No
Nominal Price: $2100 | Energy
Factor
0.94
Efficiency
Ratio | Operating
Cost
$207
Annual
US Avg | Limited
Warranty
6
Years
Tank | Payback
Years
13
Heater
Only | Payback
Years
15
Heater
Plus Install |
AO Smith
Model: ATO-520H-N
Type: 9 GPM Max Tankless
Fuel: Natural Gas Condensing
Energy: 199000 BTU/H
Vent: Power Direct
Flow: 4.9 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $1900 | Energy
Factor
0.91
Efficiency
Ratio | Operating
Cost
$214
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
12
Heater
Only | Payback
Years
20
Heater
Plus Install |
AO Smith
Model: ATI-520H-N
Type: 9 GPM Max Tankless
Fuel: Natural Gas Condensing
Energy: 199000 BTU/H
Vent: Power Direct
Flow: 4.9 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $2300 | Energy
Factor
0.91
Efficiency
Ratio | Operating
Cost
$214
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
15
Heater
Only | Payback
Years
20+
Heater
Plus Install |
AO Smith
Model: GPHE-50
Type: 50 Gal Tank
Fuel: Natural Gas Condensing
Energy: 76000 BTU/H
Vent: Power
Flow: 127 GPH 1st Hr
Energy Star: No
Nominal Price: $1650 | Energy
Factor
0.88
Efficiency
Ratio | Operating
Cost
$221
Annual
US Avg | Limited
Warranty
6
Years
Tank | Payback
Years
10
Heater
Only | Payback
Years
13
Heater
Plus Install |
AO Smith
Model: PHPT-60
Type: 60 Gal Tank
Fuel: Electric Heat Pump
Energy: 4500 Watts
Vent: NA
Flow: 68 GPH 1st Hr
Energy Star: Yes
Nominal Price: $1300 | Energy
Factor
2.33
Efficiency
Ratio | Operating
Cost
$226
Annual
US Avg | Limited
Warranty
10
Years
Tank | Payback
Years
3
Heater
Only | Payback
Years
3
Heater
Plus Install |
AO Smith
Model: PHPT-80
Type: 80 Gal Tank
Fuel: Electric Heat Pump
Energy: 4500 Watts
Vent: NA
Flow: 84 GPH 1st Hr
Energy Star: Yes
Nominal Price: $1500 | Energy
Factor
2.33
Efficiency
Ratio | Operating
Cost
$226
Annual
US Avg | Limited
Warranty
10
Years
Tank | Payback
Years
3
Heater
Only | Payback
Years
4
Heater
Plus Install |
AO Smith
Model: ATI-510-N
Type: 10 GPM Max Tankless
Fuel: Natural Gas
Energy: 199000 BTU/H
Vent: Power
Flow: 4.2 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $1400 | Energy
Factor
0.83
Efficiency
Ratio | Operating
Cost
$235
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
9
Heater
Only | Payback
Years
19
Heater
Plus Install |
AO Smith
Model: ATO-110-N
Type: 6.6 GPM Max Tankless
Fuel: Natural Gas
Energy: 140000 BTU/H
Vent: Power
Flow: 3 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $700 | Energy
Factor
0.82
Efficiency
Ratio | Operating
Cost
$238
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
3
Heater
Only | Payback
Years
13
Heater
Plus Install |
AO Smith
Model: ATO-310-N
Type: 8 GPM Max Tankless
Fuel: Natural Gas
Energy: 190000 BTU/H
Vent: Power
Flow: 4 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $900 | Energy
Factor
0.82
Efficiency
Ratio | Operating
Cost
$238
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
5
Heater
Only | Payback
Years
15
Heater
Plus Install |
AO Smith
Model: ATI-110-N
Type: 6.6 GPM Max Tankless
Fuel: Natural Gas
Energy: 140000 BTU/H
Vent: Power
Flow: 3 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $1000 | Energy
Factor
0.82
Efficiency
Ratio | Operating
Cost
$238
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
6
Heater
Only | Payback
Years
16
Heater
Plus Install |
AO Smith
Model: ATO-510-N
Type: 10 GPM Max Tankless
Fuel: Natural Gas
Energy: 199000 BTU/H
Vent: Power
Flow: 4.2 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $1100 | Energy
Factor
0.82
Efficiency
Ratio | Operating
Cost
$238
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
7
Heater
Only | Payback
Years
17
Heater
Plus Install |
AO Smith
Model: ATI-310-N
Type: 8 GPM Max Tankless
Fuel: Natural Gas
Energy: 190000 BTU/H
Vent: Power
Flow: 4 GPM (77* Rise)
Energy Star: Yes
Nominal Price: $1500 | Energy
Factor
0.82
Efficiency
Ratio | Operating
Cost
$238
Annual
US Avg | Limited
Warranty
12
Years Heat
Exchanger | Payback
Years
11
Heater
Only | Payback
Years
20+
Heater
Plus Install |
