The 5 tankless heaters we'd put in for the morning rushTop 5 tankless heaters → See the ranking
Compare models

156 complete heaters, 70 service parts and kits

All tankless water heaters compared (2026), page 10 of 10

Reviews 217 to 226 of 226, still sorted by our rating. This page opens with the Rinnai SENSEI CX199iN Commercial at 4.7/10.

Category
Rating

10 products

4.7/10
Rinnai SENSEI CX199iN Commercial
11.1 GPM · 199,000 BTU/hRinnai SENSEI CX199iN Commercial$1,752.80 on Sep 30, 2026, may have changed21 buyer reviews
4.6/10
VELPAX 20L Propane Outdoor
5.26 GPM · 120,000 BTU/h · 120 VVELPAX 20L Propane Outdoor$269.99 on Sep 30, 2026, may have changed37 buyer reviews
4.5/10
Rheem RTEX-36, 36 kW 240V
36 kW · 240 VRheem RTEX-36, 36 kW 240V$799.99 on Sep 30, 2026, may have changed22 buyer reviews
4.5/10
SNDOAS 4.23 GPM Natural Gas, White
4.23 GPM · 120 VSNDOAS 4.23 GPM Natural Gas, WhiteSee current price34 buyer reviews
4.5/10
SNDOAS 4.23 GPM Natural Gas, Black
4.23 GPM · 120 VSNDOAS 4.23 GPM Natural Gas, BlackSee current price34 buyer reviews
4.5/10
Takagi T-H3S-DV-N Condensing Indoor
8 GPMTakagi T-H3S-DV-N Condensing IndoorSee current price25 buyer reviews
4.4/10
Rheem Prestige Condensing Natural Gas
11 GPMRheem Prestige Condensing Natural Gas$1,199.99 on Sep 30, 2026, may have changed27 buyer reviews
4.1/10
Novieex 120,000 BTU Propane Outdoor
5.3 GPM · 120,000 BTU/h · 110 VNovieex 120,000 BTU Propane Outdoor$499.99 on Sep 30, 2026, may have changed20 buyer reviews
3.9/10
Noritz NRC71DVNG Condensing Natural Gas
7.1 GPMNoritz NRC71DVNG Condensing Natural Gas$1,330.28 on Sep 30, 2026, may have changed21 buyer reviews
3.9/10
Rinnai RE140iN Non-Condensing
5.3 GPMRinnai RE140iN Non-Condensing$795.69 on Sep 30, 2026, may have changed26 buyer reviews

Product images: Amazon listings

Related rankings

All rankings →
MIZUDO 199,000 BTU Natural Gas Indoor#1: MIZUDO 199,000 BTU Natural Gas Indoor · 9.2/10Best Tankless Water Heaters in 20265 models rankedFOGATTI Outdoor Propane Tankless#1: FOGATTI Outdoor Propane Tankless · 9.1/10Best Outdoor Propane Tankless Water Heaters in 20265 models rankedRheem 18 kW Electric, 240V#1: Rheem 18 kW Electric, 240V · 9.3/10Best Whole-House Electric Tankless Water Heaters in 20265 models rankedRinnai RU199iN Condensing#1: Rinnai RU199iN Condensing · 9.1/10Best High-Efficiency Condensing Tankless Water Heaters in 20265 models rankedMIZUDO 199,000 BTU Natural Gas Indoor#1: MIZUDO 199,000 BTU Natural Gas Indoor · 9.2/10Best Gas Tankless Water Heaters in 20265 models rankedMIZUDO 199,000 BTU Natural Gas Indoor#1: MIZUDO 199,000 BTU Natural Gas Indoor · 9.2/10Best Whole-House Tankless Water Heaters in 2026: Gas and Electric5 models ranked

Keep comparing

Gas tankless water heaters →Electric tankless water heaters →Service kits, valves & parts →