Top 10 Best Water Heaters

# 1
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
2,519 Reviews
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
# 2
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY
62 Reviews
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Most advanced self-modulation, adjust power to meet hot water demand
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Simple installation - bottom 3/4 inch NPT water connections
  • Threaded for easy replacement, simple installation, digital temperature display
# 3
ECOTOUCH Tankless Water Heater Electric, 1.5 GPM On Demand Hot Water Heater with Remote Control Digital Dispaly Energy Efficient 5.5kW at 240V, Black
71 Reviews
ECOTOUCH Tankless Water Heater Electric, 1.5 GPM On Demand Hot Water Heater with Remote Control Digital Dispaly Energy Efficient 5.5kW at 240V, Black
  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn't go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.
# 4
Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
37 Reviews
Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White
  • Unit requires 220v~240v and (1) 70 amp double pole breaker
  • ETL approved
  • Smart technology: easy management and simple adjustments on a LCD panel allows you to program the exact desired water temperature thereby optimizing energy consumption
  • Flow switch activation mechanism allows the unit to produce constant temperatures with as little as . 5Gpm/5Psi
  • Tankless water heaters provide an efficient hot water solution eliminating the stand-by energy consumption of conventional tank units
# 5
Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe
81 Reviews
Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions
  • 199,000 max BTU
# 6
Titan N-120 Tankless Water Heater, 220 V, 54 Max Amps
48 Reviews
Titan N-120 Tankless Water Heater, 220 V, 54 Max Amps
  • Tankless Water Heater
  • 220 V
  • 54 Max Amps
# 7
Rinnai V Series HE Tankless Hot Water Heater: Indoor Installation
114 Reviews
Rinnai V Series HE Tankless Hot Water Heater: Indoor Installation
  • Endless hot water for your entire home
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
Sale# 8
Stiebel Eltron 24 Plus Tempra, Tankless Water Heater, White
655 Reviews
Stiebel Eltron 24 Plus Tempra, Tankless Water Heater, White
  • On-demand, continuous and unlimited supply of hot water
  • Sleek design saves space and no venting required
  • Electronic switch activated for virtually silent operation
  • Copper sheathed heating element housed in copper cylinder
  • 7 Years leakage and 3 years parts complete warranty
# 9
Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas
323 Reviews
Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas
  • 140,000 BTU. Voltage: AC 120V
  • 6.6 GPM max flow rate. Water connection location- bottom
  • 4-Inch category III stainless steel venting required
  • Inlet, outlet thermistors for constant temperature monitoring
  • Energy factor of 0.81-0.83
# 10
Rheem RTG-84XLN-1 Tankless Water Heater, Grey
5 Reviews
Rheem RTG-84XLN-1 Tankless Water Heater, Grey
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • Recirculation pump ready kit ready
  • For use outdoors with freeze protection up to -30 degrees