| ThermoMate CZ264NG Indoor Tankless Water Heater, 2.9 GPM, Natural Gas ThermoMateNatural gas | 75k BTU | 2.7 | 2.9 | -- | ThermoMate (official store) | $260 | $95 | today | View deal |
| Camplux CA318 Indoor Tankless Water Heater, 3.18 GPM, Natural Gas CampluxNatural gas | 82k BTU | 3.0 | 3.18 | -- | Camplux (official store) | $287 | $96 | today | View deal |
| ThermoMate CZ422NG Indoor Tankless Water Heater, 4.4 GPM, Natural Gas ThermoMateNatural gas | 113k BTU | 4.1 | 4.4 | -- | ThermoMate (official store) | $400 | $97 | today | View deal |
| ThermoMate CZ360NG Indoor Tankless Water Heater, 4.05 GPM, Natural Gas ThermoMateNatural gas | 98.5k BTU | 3.6 | 4.05 | -- | ThermoMate (official store) | $370 | $103 | today | View deal |
| ThermoMate CZ750NG Indoor Tankless Water Heater, 8 GPM, Natural Gas ThermoMateNatural gas | 199k BTU | 7.2 | 8 @33° | 0.81 | ThermoMate (official store) | $740 | $103 | today | View deal |
| Rheem Performance Plus ECO160DVLN-3 Non-Condensing Tankless Water Heater, Indoor, Natural Gas RheemNatural gas | 160k BTU | 5.8 | 7 @35° | 0.82 | The Home Depot | $654 | $112 | today | View deal |
| Camplux CX422 Indoor Tankless Water Heater, 4.22 GPM, Natural Gas CampluxNatural gas | 102k BTU | 3.7 | 4.22 | -- | Camplux (official store) | $420 | $113 | today | View deal |
| Camplux CX360 Indoor Tankless Water Heater, 3.6 GPM, Natural Gas CampluxNatural gas | 82k BTU | 3.0 | 3.6 | -- | Camplux (official store) | $360 | $120 | today | View deal |
| Camplux CM264 Indoor Tankless Water Heater, 2.64 GPM, Natural Gas CampluxNatural gas | 68k BTU | 2.5 | 2.64 | -- | Camplux (official store) | $300 | $121 | today | View deal |
| Camplux CX264 Indoor Tankless Water Heater, 2.64 GPM, Natural Gas CampluxNatural gas | 68k BTU | 2.5 | 2.64 | -- | Camplux (official store) | $300 | $121 | today | View deal |
| ThermoMate CZ480NG Indoor Tankless Water Heater, 5.28 GPM, Natural Gas ThermoMateNatural gasCondensing | 114k BTU | 4.4 | 5.28 | 0.86 | ThermoMate (official store) | $560 | $129 | today | View deal |
| Rheem Performance Plus ECO160XLN-3 Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RheemNatural gasOutdoor | 160k BTU | 5.8 | 7 @35° | 0.82 | The Home Depot | $798 | $137 | today | View deal |
| Rheem Performance Plus ECO180DVELN-3 Non-Condensing Tankless Water Heater, Indoor, Natural Gas RheemNatural gas | 180k BTU | 6.6 | 8.4 @35° | 0.82 | The Home Depot | $915 | $140 | today | View deal |
| Rinnai RUCS75iN Super High Efficiency Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gasCondensingEnergy Star | 160k BTU | 6.4 | 7.5 | 0.9 | The Home Depot | $899 | $140 | today | View deal |
| Rinnai RUS75eN Super High Efficiency Condensing Tankless Water Heater, Outdoor, Natural Gas RinnaiNatural gasOutdoorCondensingEnergy Star | 160k BTU | 6.3 | 7.5 | 0.89 | The Home Depot | $899 | $142 | today | View deal |
| Laars LT199 Condensing Indoor Tankless Water Heater, Natural Gas LaarsNatural gasCondensingEnergy Star | 199k BTU | 8.5 | 11.1 @35° | 0.96 | PEX Universe | $1,246 | $147 | today | View deal |
| Eccotemp SmartHome SH22 Indoor Tankless Water Heater, 6.8 GPM, Natural Gas EccotempNatural gas | 140k BTU | 5.1 | 6.8 @35° | -- | Eccotemp (official store) | $769 | $151 | today | View deal |
| Rheem Performance Platinum ECOH200DVELN-3 Condensing Tankless Water Heater, Natural Gas RheemNatural gasCondensing | 199.9k BTU | 8.3 | 9.5 @35° | 0.93 | The Home Depot | $1,299 | $157 | today | View deal |
| Rheem Performance Plus ECO200DVELN-3 Non-Condensing Tankless Water Heater, Indoor, Natural Gas RheemNatural gas | 199.9k BTU | 7.3 | 9.5 @35° | 0.82 | The Home Depot | $1,149 | $158 | today | View deal |
| Rinnai RE160eN Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RinnaiNatural gasOutdoor | 160k BTU | 5.8 | 6.6 | 0.81 | The Home Depot | $963 | $167 | today | View deal |
| Rheem Performance Plus ECO200XELN-3 Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RheemNatural gasOutdoor | 199.9k BTU | 7.3 | 9.5 @35° | 0.82 | The Home Depot | $1,243 | $171 | today | View deal |
| Eccotemp SmartHome SH12-A Indoor Tankless Water Heater, 4.0 GPM, Natural Gas EccotempNatural gas | 80k BTU | 2.9 | 4 | -- | Eccotemp (official store) | $499 | $171 | today | View deal |
| Noritz NR501-OD Non-Condensing Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasOutdoor | 120k BTU | 4.4 | 5 | 0.82 | SupplyHouse.com | $752 | $172 | today | View deal |
| Rheem Performance Platinum ECOH180DVELN-3 Condensing Tankless Water Heater, Natural Gas RheemNatural gasCondensing | 180k BTU | 7.4 | 9 @35° | 0.93 | The Home Depot | $1,281 | $172 | today | View deal |
| Rinnai RE160iN Non-Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gas | 160k BTU | 5.8 | 6.6 | 0.81 | The Home Depot | $993 | $172 | today | View deal |
| Rinnai RUCS65iN Super High Efficiency Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gasCondensing | 130k BTU | 4.9 | 6.5 | 0.85 | The Home Depot | $849 | $173 | today | View deal |
| Rinnai RE140eN Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RinnaiNatural gasOutdoor | 140k BTU | 5.0 | 5.3 | 0.81 | The Home Depot | $884 | $175 | today | View deal |
| Rinnai RE140iN Non-Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gas | 140k BTU | 5.0 | 5.3 | 0.81 | The Home Depot | $884 | $175 | today | View deal |
| Rinnai V53DeN Value Series Non-Condensing Outdoor Tankless Water Heater, Natural Gas RinnaiNatural gasOutdoor | 120k BTU | 4.3 | 5.3 | 0.81 | The Home Depot | $764 | $177 | today | View deal |
| Rinnai Sensei RX199iN Condensing Tankless Water Heater, Indoor/Outdoor RinnaiNG or LPIndoor/outdoorCondensingEnergy Star | 199k BTU | 8.7 | 11 | 0.98 | The Home Depot | $1,533 | $177 | today | View deal |
| Rinnai Sensei RX180iN Condensing Tankless Water Heater, Indoor/Outdoor RinnaiNG or LPIndoor/outdoorCondensingEnergy Star | 180k BTU | 7.8 | 10 | 0.98 | The Home Depot | $1,410 | $180 | today | View deal |
| Rheem Performance Platinum ECOH160DVLN-3 Condensing Tankless Water Heater, Natural Gas RheemNatural gasCondensing | 157k BTU | 6.5 | 8.4 @35° | 0.93 | The Home Depot | $1,169 | $180 | today | View deal |
| Rinnai RE180eN Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RinnaiNatural gasOutdoor | 180k BTU | 6.6 | 8.5 | 0.82 | The Home Depot | $1,200 | $183 | today | View deal |
| Rinnai RE180iN Non-Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gas | 180k BTU | 6.6 | 8.5 | 0.82 | The Home Depot | $1,212 | $185 | today | View deal |
| Rinnai Sensei RX160iN Condensing Tankless Water Heater, Indoor/Outdoor RinnaiNG or LPIndoor/outdoorCondensingEnergy Star | 160k BTU | 6.9 | 9 | 0.97 | The Home Depot | $1,298 | $188 | today | View deal |
| Eccotemp SmartHome SHLX Indoor Tankless Water Heater, 4.5 GPM, Natural Gas EccotempNatural gas | 80k BTU | 2.9 | 4.5 | -- | Eccotemp (official store) | $549 | $188 | today | View deal |
| Rinnai RE199eN Non-Condensing Tankless Water Heater, Outdoor, Natural Gas RinnaiNatural gasOutdoor | 199k BTU | 7.3 | 9.8 | 0.82 | The Home Depot | $1,391 | $192 | today | View deal |
| Rinnai RE199iN Non-Condensing Tankless Water Heater, Indoor, Natural Gas RinnaiNatural gas | 199k BTU | 7.3 | 9.8 | 0.82 | The Home Depot | $1,391 | $192 | today | View deal |
| Rinnai REP160eN Non-Condensing Tankless Water Heater with Recirculation Pump, Outdoor, Natural Gas RinnaiNatural gasOutdoorRecirc | 160k BTU | 5.8 | 6.6 | 0.81 | The Home Depot | $1,107 | $192 | today | View deal |
| Rinnai REP160iN Non-Condensing Tankless Water Heater with Recirculation Pump, Indoor, Natural Gas RinnaiNatural gasRecirc | 160k BTU | 5.8 | 6.6 | 0.81 | The Home Depot | $1,107 | $192 | today | View deal |
| Rheem IKONIC ECOHS200iN Super High Efficiency Condensing Tankless Water Heater, Natural Gas RheemNatural gasCondensing | 199.9k BTU | 8.5 | 11.2 @35° | 0.96 | The Home Depot | $1,700 | $199 | today | View deal |
| A.O. Smith ProLine XE ATI-310U Non-Condensing Indoor Tankless Water Heater, NG/LP A.O. SmithNG or LP | 190k BTU | 6.8 | 8 | 0.81 | SupplyHouse.com | $1,379 | $202 | today | View deal |
| Rinnai Sensei RX130iN Condensing Tankless Water Heater, Indoor/Outdoor RinnaiNG or LPIndoor/outdoorCondensingEnergy Star | 130k BTU | 5.6 | 7.1 | 0.97 | The Home Depot | $1,138 | $203 | today | View deal |
| Rinnai REP199iN Non-Condensing Tankless Water Heater with Recirculation Pump, Indoor, Natural Gas RinnaiNatural gasRecirc | 199k BTU | 7.3 | 7.9 | 0.82 | The Home Depot | $1,504 | $207 | today | View deal |
| Noritz NR98OD Non-Condensing Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasOutdoor | 199.9k BTU | 7.3 | 9.8 | 0.82 | SupplyHouse.com | $1,535 | $211 | today | View deal |
| Rheem IKONIC ECOHSR200iN Super High Efficiency Condensing Tankless Water Heater with Recirculation, Natural Gas RheemNatural gasCondensingRecirc | 199.9k BTU | 8.5 | 11.2 @35° | 0.96 | The Home Depot | $1,799 | $211 | today | View deal |
| Rinnai Sensei RXP199iN Condensing Tankless Water Heater with Recirculation Pump RinnaiNG or LPIndoor/outdoorCondensingRecircEnergy Star | 199k BTU | 8.7 | 11 | 0.98 | The Home Depot | $1,861 | $215 | today | View deal |
| Noritz NRC98DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensing | 180k BTU | 7.2 | 9.8 @30° | 0.9 | SupplyHouse.com | $1,550 | $215 | today | View deal |
| Noritz NR98SV Non-Condensing Indoor Single (Power) Vent Tankless Water Heater, Natural Gas NoritzNatural gas | 199.9k BTU | 7.3 | 9.8 | 0.82 | SupplyHouse.com | $1,581 | $217 | today | View deal |
| Noritz NRC111DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensing | 199.9k BTU | 8.1 | 11.1 @30° | 0.91 | PlumbersStock | $1,780 | $220 | today | View deal |
| Noritz NRC661-DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensing | 120k BTU | 4.7 | 6.6 | 0.89 | SupplyHouse.com | $1,053 | $222 | today | View deal |
| Noritz NRC111DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensing | 199.9k BTU | 8.1 | 11.1 @30° | 0.91 | SupplyHouse.com | $1,820 | $225 | today | View deal |
| Noritz NR98DVC Non-Condensing Indoor Concentric Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gas | 199.9k BTU | 7.3 | 9.8 | 0.82 | SupplyHouse.com | $1,641 | $225 | today | View deal |
| Noritz NRC98OD Condensing Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasOutdoorCondensing | 180k BTU | 7.4 | 9.8 @30° | 0.92 | SupplyHouse.com | $1,826 | $248 | today | View deal |
| A.O. Smith Adapt SC ATM-199M-N Standard Condensing Tankless Water Heater, Natural Gas A.O. SmithNatural gasIndoor/outdoorCondensingEnergy Star | 199k BTU | 6.0 | 6 @67° | 0.95 | SupplyHouse.com | $1,656 | $276 | today | View deal |
| Bosch Greentherm T9900 SE 199 Condensing Tankless Water Heater with Recirculation Pump BoschNG or LPCondensingRecircEnergy Star | 199k BTU | 8.4 | 11.2 @35° | 0.95 | The Home Depot | $2,363 | $281 | today | View deal |
| A.O. Smith Adapt SC ATM-180M-N Standard Condensing Tankless Water Heater, Natural Gas A.O. SmithNatural gasIndoor/outdoorCondensingEnergy Star | 180k BTU | 5.4 | 5.4 @67° | 0.95 | SupplyHouse.com | $1,581 | $293 | today | View deal |
| A.O. Smith Adapt SC ATM-160M-N Standard Condensing Tankless Water Heater, Natural Gas A.O. SmithNatural gasIndoor/outdoorCondensingEnergy Star | 160k BTU | 4.8 | 4.8 @67° | 0.95 | SupplyHouse.com | $1,465 | $305 | today | View deal |
| Noritz NR662-OD Non-Condensing Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasOutdoorOut of stock | 140k BTU | 5.1 | 6.6 | 0.82 | SupplyHouse.com | $900 | $176 | today | View deal |
| A.O. Smith ProLine XE ATO-310U Non-Condensing Outdoor Tankless Water Heater, Natural Gas A.O. SmithNatural gasOutdoorOut of stock | 190k BTU | 6.8 | 8 | 0.81 | SupplyHouse.com | $1,379 | $202 | today | View deal |
| Noritz NRC98DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensingOut of stock | 180k BTU | 7.2 | 9.8 @30° | 0.9 | PlumbersStock | $1,550 | $215 | today | View deal |
| Noritz NRC111OD Condensing Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasOutdoorCondensingOut of stock | 199.9k BTU | 8.1 | 11.1 @30° | 0.91 | SupplyHouse.com | $1,780 | $220 | today | View deal |
| Navien NPE-240S2 Condensing Tankless Water Heater NavienNG or LPIndoor/outdoorCondensingEnergy StarOut of stock | 199.9k BTU | 8.5 | 11.2 @35° | 0.96 | PEX Universe | $1,898 | $223 | today | View deal |
| Navien NPE-240A2 Condensing Tankless Water Heater with ComfortFlow Recirculation NavienNG or LPIndoor/outdoorCondensingRecircEnergy StarOut of stock | 199.9k BTU | 8.4 | 11.2 @35° | 0.95 | PEX Universe | $1,880 | $223 | today | View deal |
| Noritz EZ98DV Condensing Indoor/Outdoor Tankless Water Heater, Natural Gas NoritzNatural gasIndoor/outdoorCondensingOut of stock | 180k BTU | 7.8 | 9.8 @30° | 0.98 | SupplyHouse.com | $1,753 | $224 | today | View deal |
| Noritz NR83DVC Non-Condensing Indoor Concentric Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasOut of stock | 180k BTU | 6.6 | 8.3 | 0.82 | SupplyHouse.com | $1,554 | $237 | today | View deal |
| Noritz NRC711-DV Condensing Indoor Direct Vent Tankless Water Heater, Natural Gas NoritzNatural gasCondensingOut of stock | 157k BTU | 6.2 | 7.1 | 0.89 | SupplyHouse.com | $1,476 | $238 | today | View deal |
| Navien NPE-210S2 Condensing Tankless Water Heater NavienNG or LPIndoor/outdoorCondensingEnergy StarOut of stock | 180k BTU | 7.7 | 10.1 @35° | 0.96 | PEX Universe | $1,999 | $260 | today | View deal |
| Noritz EZTR75 Condensing Tank Replacement Bundle Tankless Water Heater, Natural Gas NoritzNatural gasIndoor/outdoorCondensingOut of stock | 199.9k BTU | 8.7 | 11.1 @30° | 0.98 | SupplyHouse.com | $2,509 | $288 | today | View deal |
| Navien NPE-180S2 Condensing Tankless Water Heater NavienNG or LPIndoor/outdoorCondensingEnergy StarOut of stock | 150k BTU | 6.4 | 8.4 @35° | 0.96 | PEX Universe | $1,999 | $312 | today | View deal |
| A.O. Smith Adapt Premium ATHR-199M Condensing Tankless Water Heater with Recirculation, Natural Gas A.O. SmithNatural gasIndoor/outdoorCondensingRecircEnergy StarOut of stock | 199k BTU | 5.9 | 5.9 @67° | 0.95 | SupplyHouse.com | $2,134 | $362 | today | View deal |
| Noritz EZTR40 Condensing Tank Replacement Bundle Tankless Water Heater, Natural Gas NoritzNatural gasCondensingOut of stock | 120k BTU | 4.6 | 6.6 @30° | 0.87 | SupplyHouse.com | $1,814 | $391 | today | View deal |
| Navien NPE-210A2 Condensing Tankless Water Heater with ComfortFlow Recirculation NavienNG or LPIndoor/outdoorCondensingRecircEnergy StarOut of stock | 180k BTU | 7.6 | 10.1 @35° | 0.95 | PEX Universe | $2,999 | $395 | today | View deal |
| Navien NPE-180A2 Condensing Tankless Water Heater with ComfortFlow Recirculation NavienNG or LPIndoor/outdoorCondensingRecircEnergy StarOut of stock | 150k BTU | 6.3 | 8.4 @35° | 0.95 | PEX Universe | $2,999 | $474 | today | View deal |