Top 10 Best Continuous Hot Water Heaters
of November 2024
1
Best Choice
Stiebel Eltron
Stiebel Eltron
Stiebel Eltron Tankless Heater Tempra 12 Plus Electric, On Demand Hot Water, Eco, White
10
Exceptional
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2
Best Value
EcoSmart
EcoSmart
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
9.9
Exceptional
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3
Rheem
Rheem
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
9.8
Exceptional
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4
FOGATTI
FOGATTI
FOGATTI Natural Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series
9.7
Exceptional
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5
thermomate
thermomate
Tankless Water Heater Electric 27kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A GRAY
9.6
Exceptional
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6
EcoSmart
EcoSmart
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.5
Excellent
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7
RecPro
RecPro
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)
9.4
Excellent
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8
Relentless: A Prowl Novel
9.3
Excellent
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9
Rinnai
Rinnai
Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
9.2
Excellent
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10
Rheem
Rheem
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
9.1
Excellent
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About Continuous Hot Water Heaters
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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.
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.
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
External adjustable digital thermostatic control with LED display 1 degree accuracy. Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control. Simple installation 12 NPT adapters included side 12 inch Compression water connections. 99.8 energy efficient. External controls to adjust temperature in increments of 1f. Water-Saver Shower Head 1.5 GPM. Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate up to 3.17 GPM. 54 A.
FOGATTI Natural Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series
We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.. The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.. 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.81, the high energy conversion rate can effectively reduce energy loss.. Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.. Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.. FOGATTI provides free replacement within 30 days, and 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days..
Tankless Water Heater Electric 27kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A GRAY
Instant Unlimited Hot Water - REQUIRE 3 SET x Double-pole 40AMP Breakers to Achieve 240V for this On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower. Flow Rate 5.27GPM 35F Rise. Self-modulating Power - Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99.8 efficient, saving up to 60 on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces.. Stable Water Temperature - Auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency, continuous stable temperature and optimal power usage. Digital temperature display allowing adjustment in 1 increment from 80F to 140F. Heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.. Easy Installation Safety Protection - ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection. NOTE - Make sure this water heater is the correct size for your hot water need 27kW at 240V draw max 114Amp Required breaker 3 x Double-POLE 40AMP Wire gauge 3 x 8AWG Unit size 17.12 x 13.12 x 3.12 Water connection 34 NPT. 2-year limite warranty and 247 customer support services..
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.
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)
No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.. There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.. There is a low water pressure startup, which helps to protect the heater and make it easier to use..
Relentless: A Prowl Novel
Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
Original Design Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iN model. Never Run Out of Hot Water with this Compact Tankless Gas Water Heater Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM 6 fixtures at once. Smart, Durable Design Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively See Controlr module for WiFi control not included. Professional Installation Recommended Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater We do not recommend installing a water heater without a technician. Find Your Rinnai See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home Check our Ground Water Temperature Map to see if this heater is optimal for your region.
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
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. Fuel Type Natural Gas.