Top 10 Best Bosch Tankless Water Heater
of November 2024
1
Best Choice
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
10
Exceptional
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2
Best Value
BOSCH
BOSCH
Bosch 830 ES NG Therm Tankless Water Heater, Natural Gas
9.9
Exceptional
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3
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
9.8
Exceptional
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4
EcoSmart
EcoSmart
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.7
Exceptional
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5
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Thermotechnology 46-Gallon Low Boy Electric Storage Water Heater, Gray (7738007324)
9.6
Exceptional
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6
Stiebel Eltron
Stiebel Eltron
Stiebel Eltron Tankless Heater Tempra 12 Plus Electric, On Demand Hot Water, Eco, White
9.5
Excellent
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7
Rheem
Rheem
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.4
Excellent
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8
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Thermotechnology 40-Gallon Tall Electric Storage Water Heater, Gray
9.3
Excellent
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9
Rheem
Rheem
Rheem 18kW 240V Tankless Electric Water Heater
9.2
Excellent
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10
EcoSmart
EcoSmart
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
9.1
Excellent
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About Bosch Tankless Water Heater
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Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
CONVENIENT HOT WATER HEATER 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98. Dimensions 13.75 W x 13.75 H x 13.5 D Inches. LONG LASTING QUALITY This electric water heater is easy to maintain and has premium glass-lined material for a long service life. Amps 12A, Volts VAC 120. INDEPENDENT INSTALLATION 36-37 cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source. FAST RECOVERY RATE Eliminates long waits for hot water at your sink, get on demand hot water at your every need supplies up to 2 sinks at a time. EASILY MOUNTED Can be shelf, wall or floor mounted bracket included simply tap into the cold water line and install the water heater directly at the sink to provide hot water.
Bosch 830 ES NG Therm Tankless Water Heater, Natural Gas
175,000 max input BTU. 83 thermal efficiency. 8.3 gallons per minute capacity at 35F degree rise. Electronic ignition and patented burner design. Vents vertically or horizontally with 3 or 4 stainless steel.
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
CONVENIENT HOT WATER HEATER 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98. Dimensions 17.5 W x 17.5 H x 14.5 D Inches. INSTALLED VERTICALLY OR HORIZONTALLY This larger model can be mounted vertically 5.1 gal. of water supply or horizontally 7 gal. of water supply- vertical orientation is installed with the cold and hot lines on top of the unit. RELIABLE WATER SOURCE Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs. IMPORTANT INFORMATION Heating capacity of 1440 watts and a temperature range of 65-145F max. Operating pressure-150 psi. Water fittings-34 inch Male NPT. Electrical requirements Amp 12AVolts 120. EASILY MOUNTED Can be shelf or floor mounted. Wall mounting available in vertical orientation only water connections on top - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water.
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Endless On-Demand Hot Water Consistent hot water when you need it that never runs out Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature. Save Space EcoSmart tankless electric water heaters are 90 smaller than traditional tank heaters may be installed on wall or at point of use Dimensions 11.5 x 8 x 3.75 inches. Save Energy EcoSmart tankless electric water heaters are 99 thermal energy efficient Only heats water when called unlike a tank heater that maintains water temperature even when not being used.. EcoSmart ECO 11 Sizing 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature refer to the sizing guide to select the proper solution.
Bosch Thermotechnology 46-Gallon Low Boy Electric Storage Water Heater, Gray (7738007324)
APPLICATION Dimensions 26.25 W x 34.50 H x 26.25 L. Perfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.. DURABILITY Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.. WARRANTY 10-year tank and parts limited warranty. EFFICIENCY HFO foam insulated, reducing fuel costs and increasing energy efficiency. Double heating elements conserve energy. Incoloy elements for a long-lasting unit. CONVENIENCE Factory-installed electric hot and cold water connections for extended tank life. Easy-to-use plastic drain valve for maintenance. Factory-installed heat traps reduce heat loss. Temperature and pressure relief valve included. Fully-automatic surface mount thermostats.
Stiebel Eltron Tankless Heater Tempra 12 Plus Electric, On Demand Hot Water, Eco, White
CONTINUOUS FLOW Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. Itll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again. SPACE ENERGY SAVER Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs. EASY OPERATION Electronic switch activates the hot water heater and its noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work. TEMPRA 12 PLUS This specific model is 12kW, 240V, requires a min recommended electric service of 100 A, and offers an output water temperature of 68 to 140F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels. WARRANTIES INCLUDED Stiebel Eltrons top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase.
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
ONOFF Dial Control with adjustable digital temperature display. Self-modulating power control. 24kW Model Flow Rate up to 5.9 GPM for RTEX-24. Bottom 34 NPT water connections. On demand, consistent and continuous hot water.
Bosch Thermotechnology 40-Gallon Tall Electric Storage Water Heater, Gray
APPLICATION Dimensions 18.25 W x 61.60 H x 18.25 L. Perfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.. DURABILITY Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.. WARRANTY 10-year tank and parts limited warranty. EFFICIENCY HFO foam insulated, reducing fuel costs and increasing energy efficiency. Double heating elements conserve energy. Incoloy elements for a long-lasting unit. CONVENIENCE Factory-installed electric hot and cold water connections for extended tank life. Easy-to-use plastic drain valve for maintenance. Factory-installed heat traps reduce heat loss. Temperature and pressure relief valve included. Fully-automatic surface mount thermostats.
Rheem 18kW 240V Tankless Electric Water Heater
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 34 inch NPT water connections. Threaded for easy replacement, simple installation, digital temperature display.
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
Endless on-Demand Hot Water Consistent hot water when you need it that never runs out Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature. Save Space EcoSmart tankless electric water heaters are 90 smaller than traditional tank heaters may be installed on wall or at point of use Dimensions 17 x 17 x 3.75 inches . Save Energy EcoSmart tankless electric water heaters are 99 thermal energy efficient Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50 in water heating costs according to the Department of Energy. EcoSmart ECO 27 Sizing Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature refer to the sizing guide to select the proper solution. Warranty and Certifications Limited Lifetime Warranty on electronics, exchanger and element UL-499 certified ETL Listed. Required Breaker Quantity Three 40 Amp Double Pole. Recommended Electrical Panel 200 Amps. NEVER run out of hot water with an ECOSMART tankless water heater.. Save up to 12 cubic feet of storage space.. Digital temperature control in 1-degree increments gives users complete control of hot water.