
Go To: 40 Gal Electric  40 Gal Gas (No EStar)  40 Gal Gas (EnergyStar)  40 Gal Propane 
A O Smith GAHH40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 70 GPH 1st Hr Nominal Price: $800 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $20 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
A O Smith GCF40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
A O Smith GCFL40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $800 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $20 Per Gal 
Vent Atmos Type 
10 Yr Cost $4100 Install+Utilities 
A O Smith GPNH40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 69 GPH 1st Hr Nominal Price: $900 
Energy 0.68 Factor 
Utility Cost $297 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $23 Per Gal 
Vent Power Type 
10 Yr Cost $4200 Install+Utilities 
A O Smith GPVL40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 73 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 $25 Per Gal 
Vent Power Type 
10 Yr Cost $4200 Install+Utilities 
A O Smith GPVT40 Type: 40 Gal Tank Fuel: Natural Gas Flow: 90 GPH 1st Hr Nominal Price: $900 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $23 Per Gal 
Vent Power Type 
10 Yr Cost $4100 Install+Utilities 
American FDG6240T403NOV Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
American PCG6240T403NOV Type: 40 Gal Tank Fuel: Natural Gas Flow: 70 GPH 1st Hr Nominal Price: $900 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $23 Per Gal 
Vent Atmos Type 
10 Yr Cost $4100 Install+Utilities 
Bradford White D4403S6FBN Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1100 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $28 Per Gal 
Vent Atmos Type 
10 Yr Cost $4400 Install+Utilities 
Bradford White M4TW40T6FBN Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent 0 Type 
10 Yr Cost $4500 Install+Utilities 
GE GG40S06TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
GE GG40T06TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $500 
Energy 0.69 Factor 
Utility Cost $293 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3700 Install+Utilities 
GE PG40S09TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
GE PG40T09TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $500 
Energy 0.69 Factor 
Utility Cost $293 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3700 Install+Utilities 
GE SG40S12TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
GE SG40T12TVT Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $500 
Energy 0.69 Factor 
Utility Cost $293 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3700 Install+Utilities 
Lochinvar LSN04040ES Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
Lochinvar LTN04040ES Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
Lochinvar PVN04040 Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1200 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4400 Install+Utilities 
Lochinvar PVN04050 Type: 40 Gal Tank Fuel: Natural Gas Flow: 90 GPH 1st Hr Nominal Price: $1400 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $35 Per Gal 
Vent Power Type 
10 Yr Cost $4600 Install+Utilities 
Reliance 1240GXRT300 Type: 40 Gal Tank Fuel: Natural Gas Flow: 69 GPH 1st Hr Nominal Price: $600 
Energy 0.62 Factor 
Utility Cost $326 National Avg 
Warranty 12 Yrs Tank/HE 
Warranty 12 Yrs Parts 
Unit Cost $15 Per Gal 
Vent Atmos Type 
10 Yr Cost $4200 Install+Utilities 
Rheem XG40T12DM40U0 Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $600 
Energy 0.69 Factor 
Utility Cost $293 National Avg 
Warranty 12 Yrs Tank/HE 
Warranty 12 Yrs Parts 
Unit Cost $15 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
Rheem XG40S12DM40U0 Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 12 Yrs Tank/HE 
Warranty 12 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Power Type 
10 Yr Cost $4000 Install+Utilities 
Richmond 9G40S40E2 Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $500 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 9 Yrs Tank/HE 
Warranty 9 Yrs Parts 
Unit Cost $13 Per Gal 
Vent Atmos Type 
10 Yr Cost $3800 Install+Utilities 
Richmond 6GR40PVE240 Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Power Type 
10 Yr Cost $4000 Install+Utilities 
Ruud PRO+G3840N RU69PD Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $700 
Energy 0.69 Factor 
Utility Cost $293 National Avg 
Warranty 8 Yrs Tank/HE 
Warranty 8 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Atmos Type 
10 Yr Cost $3900 Install+Utilities 
Ruud PRO+G38S40NRU67PD Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 8 Yrs Tank/HE 
Warranty 8 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
Ruud PROG4036U RU67PV Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Ruud PROG4040N RU67PV Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Ruud PROG4040N RU67PVE Type: 40 Gal Tank Fuel: Natural Gas Flow: 68 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Ruud PROG40S36NRU67PV Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Ruud PROG40S36NRU67PVE Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1200 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $30 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Sears Kenmore 33262 Type: 40 Gal Tank Fuel: Natural Gas Flow: 70 GPH 1st Hr Nominal Price: $1000 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 12 Yrs Tank/HE 
Warranty 12 Yrs Parts 
Unit Cost $25 Per Gal 
Vent Atmos Type 
10 Yr Cost $4200 Install+Utilities 
Sears Kenmore 33702 Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $700 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $18 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
State GP6 40 YPCT Type: 40 Gal Tank Fuel: Natural Gas Flow: 70 GPH 1st Hr Nominal Price: $800 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $20 Per Gal 
Vent Atmos Type 
10 Yr Cost $4000 Install+Utilities 
State GS6 40 YBFS Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $600 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $15 Per Gal 
Vent Atmos Type 
10 Yr Cost $3900 Install+Utilities 
State GS6 40 YBFT Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $600 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $15 Per Gal 
Vent Atmos Type 
10 Yr Cost $3900 Install+Utilities 
State GS6 40 HRVITL Type: 40 Gal Tank Fuel: Natural Gas Flow: 93 GPH 1st Hr Nominal Price: $1400 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $35 Per Gal 
Vent Power Type 
10 Yr Cost $4600 Install+Utilities 
State GS6 40 YBVIS Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1300 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $33 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
State GS6 40 YBVIS Type: 40 Gal Tank Fuel: Natural Gas Flow: 72 GPH 1st Hr Nominal Price: $1300 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $33 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
State GS6 40 YRVIT Type: 40 Gal Tank Fuel: Natural Gas Flow: 93 GPH 1st Hr Nominal Price: $1300 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $33 Per Gal 
Vent Power Type 
10 Yr Cost $4500 Install+Utilities 
Whirlpool ND40T62403 Type: 40 Gal Tank Fuel: Natural Gas Flow: 67 GPH 1st Hr Nominal Price: $600 
Energy 0.67 Factor 
Utility Cost $302 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $15 Per Gal 
Vent Atmos Type 
10 Yr Cost $3900 Install+Utilities 
Whirlpool PCG2J4040T3NOV Type: 40 Gal Tank Fuel: Natural Gas Flow: 70 GPH 1st Hr Nominal Price: $900 
Energy 0.7 Factor 
Utility Cost $289 National Avg 
Warranty 12 Yrs Tank/HE 
Warranty 12 Yrs Parts 
Unit Cost $23 Per Gal 
Vent Atmos Type 
10 Yr Cost $4100 Install+Utilities 
Richmond 6RHE50 Type: 48 Gal Tank Fuel: Natural Gas Condensing Flow: 93 GPH 1st Hr Nominal Price: $1300 
Energy 0.82 Factor 
Utility Cost $247 National Avg 
Warranty 6 Yrs Tank/HE 
Warranty 6 Yrs Parts 
Unit Cost $27 Per Gal 
Vent PowerD Type 
10 Yr Cost $4100 Install+Utilities 
Go to Tankless Water Heater Reviews from Best 40 Gallon Gas Water Heater 
Go to Best Water Heater from Best 40 Gallon Gas Water Heater 