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Top Selling Tankless Water Heaters

Compare the top 5 models in each category

🔧 By Fuel Type

Gas Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
rinnai RU199IN 199000 BTU Indoor Natural Gas Tankless Water Heater - Tankless Water Heaterrinnai RU199IN 199000 BTU Indoor Natural Gas Tankless Water Heater8543553882916138140$2,347.50304⭐ 4.6Show More
Rinnai RUCS75iN 7.5 GPM Residential Indoor Natural Gas Tankless Water Heater - Tankless Water HeaterRinnai RUCS75iN 7.5 GPM Residential Indoor Natural Gas Tankless Water Heater4631056401264710901$849.00184⭐ 4.3Show More
Rinnai Value 6.6 GPM Liquid Propane Tankless Water Heater - Tankless Water HeaterRinnai Value 6.6 GPM Liquid Propane Tankless Water Heater11815153917129494228$1,234.97167⭐ 4.6Show More
Rinnai Sensei RX Indoor & Outdoor Tankless Gas Water Heater rx199in - Tankless Water HeaterRinnai Sensei RX Indoor & Outdoor Tankless Gas Water Heater rx199in14274739099132667857$1,532.79128⭐ 4.5Show More
rinnai RU160iN Indoor Natural Gas Tankless Water Heater - Tankless Water Heaterrinnai RU160iN Indoor Natural Gas Tankless Water Heater7329975394878358207$1,172.43121⭐ 4.4Show More

Propane Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
EccoTemp L5 Portable Outdoor Tankless Water Heater - Tankless Water HeaterEccoTemp L5 Portable Outdoor Tankless Water Heater14340361339403964807$79.00727⭐ 4Show More
Eccotemp L10 Portable Outdoor Tankless Water Heater - Tankless Water HeaterEccotemp L10 Portable Outdoor Tankless Water Heater3857448583422880319$319.00263⭐ 4Show More
Eccotemp Electric Mini Tank Water Heater EM 7.0 Gallon - Tankless Water HeaterEccotemp Electric Mini Tank Water Heater EM 7.0 Gallon7497749166659022921$259.00262⭐ 4.3Show More
Eccotemp i12-LP Tankless Water Heater - Tankless Water HeaterEccotemp i12-LP Tankless Water Heater15438741416905005403$489.0096⭐ 4Show More
Eccotemp FVI12-LP Indoor Liquid Propane Tankless Water Heater - Tankless Water HeaterEccotemp FVI12-LP Indoor Liquid Propane Tankless Water Heater9431170044015716589$379.0085⭐ 4Show More

Electric Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
Titan Titan Tankless Water Heater SCR-2 - Tankless Water HeaterTitan Titan Tankless Water Heater SCR-23787479501680117958$243.00637⭐ 4.6Show More
Ecosmart eco 27 Tankless Water Heater Electric 27-kW - Tankless Water HeaterEcosmart eco 27 Tankless Water Heater Electric 27-kW8048200385966161889$499.99459⭐ 4.1Show More
ECOSMART ECO-27 ELECTRIC TANKLESS WATER HEATER 27KW - Tankless Water HeaterECOSMART ECO-27 ELECTRIC TANKLESS WATER HEATER 27KW12779519960010190844$599.99459⭐ 4.1Show More
EcoSmart Electric Tankless Water Heater Eco 11 - Tankless Water HeaterEcoSmart Electric Tankless Water Heater Eco 117518328603500429114$207.76452⭐ 4.2Show More
EcoSmart Eco 18 Electric Tankless Water Heater - Tankless Water HeaterEcoSmart Eco 18 Electric Tankless Water Heater5892148113537137279$510.00327⭐ 4.2Show More

🏠 By Application Type

Whole-Home Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
Rinnai V Non-Condensing Outdoor Tankless Gas Water Heater v53den - Tankless Water HeaterRinnai V Non-Condensing Outdoor Tankless Gas Water Heater v53den15301215265844705376$741.6583⭐ 3.9Show More
Navien NPE-180S2 150,000 BTU/H Indoor or outdoor wall-hung Tankless Water Heater - Tankless Water HeaterNavien NPE-180S2 150,000 BTU/H Indoor or outdoor wall-hung Tankless Water Heater9435592509618742384$1,219.0016⭐ 4.8Show More
Navien NPE-240A2 199,000 BTU High Efficiency Tankless Water Heater - Tankless Water HeaterNavien NPE-240A2 199,000 BTU High Efficiency Tankless Water Heater11222159067923796773$1,745.0014⭐ 4.8Show More
Navien NPE-240A2 199,000 BTU Condensing PremiumGas Tankless Water Heater - Tankless Water HeaterNavien NPE-240A2 199,000 BTU Condensing PremiumGas Tankless Water Heater17037198380892475441$1,939.0014⭐ 4.8Show More
NPE-A Series Navien Tankless Water Heater 199K BTU 11.2 GPM - Tankless Water HeaterNPE-A Series Navien Tankless Water Heater 199K BTU 11.2 GPM17780085385873868070$1,609.3014⭐ 4.8Show More

Point-of-Use Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
Eemax eem24013 Electric Tankless Water Heater - Tankless Water HeaterEemax eem24013 Electric Tankless Water Heater904066883429351546$219.9557⭐ 3.8Show More
Eemax 240-Volt 27-kW 5.3-GPM Tankless Electric Water Heater eem24027 - Tankless Water HeaterEemax 240-Volt 27-kW 5.3-GPM Tankless Electric Water Heater eem240277892247304457524526$599.0037⭐ 4.1Show More
EeMax HomeAdvantage II Electric Tankless Water Heater HA018240 - Tankless Water HeaterEeMax HomeAdvantage II Electric Tankless Water Heater HA01824015256776203520358193$365.9927⭐ 4.3Show More
Eemax HA018240 Electric Tankless Water Heater - Tankless Water HeaterEemax HA018240 Electric Tankless Water Heater9584862854281818651$399.9923⭐ 4.3Show More
Eemax FlowCo Electric Tankless Water Heater SPEX3512 - Tankless Water HeaterEemax FlowCo Electric Tankless Water Heater SPEX351211473376352018052260$196.0213⭐ 3.2Show More

RV Tankless Water Heaters

ImageProduct NameSKUList PriceLow PriceReviewsRatingAction
Camplux Portable Water Heater - Tankless Water HeaterCamplux Portable Water Heater2810847798611952626$135.991200⭐ 4.5Show More
Camplux Outdoor Portable Tankless Water Heater AY132 - Tankless Water HeaterCamplux Outdoor Portable Tankless Water Heater AY1321261885829319646656$159.99667⭐ 4.7Show More
Camplux Portable Water Heater BW158 - Tankless Water HeaterCamplux Portable Water Heater BW15816023932579983841635$179.99366⭐ 4.5Show More
Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater - Tankless Water HeaterCamplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater2091653987767658224$159.99365⭐ 4.6Show More
Camplux Outdoor Portable Propane Tankless Water Heater - Tankless Water HeaterCamplux Outdoor Portable Propane Tankless Water Heater5114721032447952100$219.99331⭐ 4.6Show More