20 Best Energy Star Natural Gas Water Heater [2024]

Are you looking for the best Energy Star Natural Gas Water Heater? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Energy Star Natural Gas Water Heater.

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# Preview Product
1 Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater Liquid Propane Energy Star 8.4 GPM Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater Liquid Propane Energy Star 8.4 GPM
2 Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 7.5 GPM Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 7.5 GPM
3 Pro Breeze Space Heater – 1500W Electric Heater with 3 Operating Modes and Adjustable Thermostat -... Pro Breeze Space Heater – 1500W Electric Heater with 3 Operating Modes and Adjustable Thermostat...
4 EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
5 Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,... Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,...
6 Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
7 Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self... Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
8 EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
9 Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White
10 MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
11 Heat Storm HS-1500-PHX-WIFI Infrared Heater, Wifi Wall Mounted Heat Storm HS-1500-PHX-WIFI Infrared Heater, Wifi Wall Mounted
12 Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
13 Dr Infrared Heater Portable Space Heater, 1500-Watt Dr Infrared Heater Portable Space Heater, 1500-Watt
14 Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot... Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot...
15 Rinnai RUR199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation Rinnai RUR199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
16 SmartJacket Water Heater Blanket Insulation System, Energy Star Certified, R value-7.1 SmartJacket Water Heater Blanket Insulation System, Energy Star Certified, R value-7.1
17 Rinnai RU180iN Natural Gas Condensing Tankless Hot Water Heater, 10 GPM Rinnai RU180iN Natural Gas Condensing Tankless Hot Water Heater, 10 GPM
18 Avalon Bottom Loading Water Cooler Dispenser with BioGuard- 3 Temperature Settings- UL/Energy Star... Avalon Bottom Loading Water Cooler Dispenser with BioGuard- 3 Temperature Settings- UL/Energy...
19 Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM
20 Space heater, Aikoper 1500W Oil Filled Radiator Heater with 3 Heat Settings, Adjustable Thermostat,... Space heater, Aikoper 1500W Oil Filled Radiator Heater with 3 Heat Settings, Adjustable...
Bestseller No. 1
Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater Liquid Propane Energy Star 8.4 GPM
  • Minimum flow rate of .26 gpm, .40 gpm minimum activation flow rate, 180,000 BTU
  • Includes UMC-117 remote control and 10-feet of thermostat wire
  • Vent termination kit required
  • Eligible for federal tax credits for energy efficiency
  • Meets low nitrogen oxide emission standards
SaleBestseller No. 2
Rinnai V75iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 7.5 GPM
  • Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner...
  • 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...
  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee...
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your...
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for...
Bestseller No. 3
Pro Breeze Space Heater – 1500W Electric Heater with 3 Operating Modes and Adjustable Thermostat -...
  • Cost-Efficient, Super Fast Warming: This electric heater is engineered with advanced ceramic heating elements which provide faster and more energy...
  • Powerful Heating: This small space heater features 750W (Low) and 1500W (High) power modes as well as a gentle fan only mode. Reduce your energy bills...
  • Adjustable Thermostat: This portable heater with thermostat features an easy to use and fully adjustable thermostat control which monitors the...
  • Advanced Safety Features: Built in overheat protection and an enhanced anti-tip over switch ensures the mini heater instantly switches off in any...
  • Ultra Portable: The lightweight and compact design allows this space heater for bedroom to be transported to wherever you needed it most, making it...
SaleBestseller No. 4
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and...
Bestseller No. 5
Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,...
  • Note: Please download and read the installation manual and product manual carefully when purchasing the product to ensure that your installation...
  • 【Tankless Instant Hot Water Heater】No need to preheat before using the tankless water heater. As soon as you turn on the tap, the water flows...
  • 【High Sensitive Touch Led Display】Comes with smart digital LED display high-definition large screen, freely adjustable the temperature between...
  • 【Multiple Security Protection】The natural gas water heater is upgraded with 12 protection methods to ensure your safety. Such as dry burning...
  • 【Energy and Money Saving】The hot water heater adjusts power input based on flow rate and temp setting in real time. Summer/winter 2 modes to save...
Bestseller No. 6
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
SaleBestseller No. 7
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self...
  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal...
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
SaleBestseller No. 8
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
SaleBestseller No. 9
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate
Bestseller No. 10
MAREY GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
  • This unit is flow activate
  • Save up to 60% on electricity bills for water heating
  • Compact design saves space and is easy to install almost anywhere
  • No electrical connection is required so it's perfect alternative for those homes experiencing frequent power outages
  • Unlimited hot water whenever is needed
SaleBestseller No. 11
Heat Storm HS-1500-PHX-WIFI Infrared Heater, Wifi Wall Mounted
  • (Wall Mounted Heater Only.) Wi-Fi enabled makes it possible for you to control the temperature from your phone!
  • Safe to the touch grill. 1500 watts of power
  • Space saving wall mount design means you don't lose floor space. Perfect for bedrooms, kitchens, offices and more
  • When installed over the outlet, you can hide the cord inside the heater. This unit stays cool to the touch and the wall stays cool.
  • Safe to the touch grill. Wall mounted version, Feet not included.
SaleBestseller No. 12
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A
SaleBestseller No. 13
Dr Infrared Heater Portable Space Heater, 1500-Watt
  • Can heat up a large room with Auto Energy Saving Model With High and Low Feature. Tip-over protection and Overheat protection
  • Dual Heating Systems featuring infrared quartz tube + PTC with 12hr automatic shut-off timer
  • IR Remote Control, High Pressure Low Noise Blower with Noise level 39 dB super quiet. Heating can cover for a large room.
  • Electronic Thermostat: range 50 to 85 degrees. Caster Wheels and Lifetime Filter
  • Weights 24 lbs and uses 12.5 Amps of Power. 1500 Watts. Electric Cord is 72 inches long (6 feet)
Bestseller No. 14
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot...
  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency...
  • 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...
  • 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...
Bestseller No. 15
Rinnai RUR199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: ThermaCirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for...
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
Bestseller No. 16
SmartJacket Water Heater Blanket Insulation System, Energy Star Certified, R value-7.1
  • WATER HEATER BLANKET - SmartJACKET is a unique system that creates a space between the blanket and the water heater tank to achieve better results.
  • IMPROVE EFFICIENCY - Improve the efficiency of 95% of all water heaters in use today, Reduce Heat loss Up to 40 %.
  • SIMPLE INSTALLATION - Easy to install and easy to clean, fits gas or electric water heaters.
  • ENVIRONMENTALLY FRIENDLY - Non-toxic, non-carcinogenic. Contains no fiberglass.
  • PROTECT YOUR INVESTMENT - Prolongs the life of your water heater, Fits all 20 to 60 gallon tanks.
Bestseller No. 17
Rinnai RU180iN Natural Gas Condensing Tankless Hot Water Heater, 10 GPM
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: Up to 10 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
Bestseller No. 18
Avalon Bottom Loading Water Cooler Dispenser with BioGuard- 3 Temperature Settings- UL/Energy Star...
  • Three temperatures: three temperature settings allow you to customize your drinking experience. This dispenser features a crisp Cold, cool, or piping...
  • Innovative design: our sleek stylish stainless steel cabinet will make this water cooler fit right into your home kitchen or office.
  • Light the way: Our Built-In nightlight makes the water spouts clearly visible at night & has an empty-bottle indicator that lights up when the bottle...
  • Bottom loading: our water cooler is bottom loading to eliminate the strain of lifting, reduce spills and is suitable for 3-5 gallon water bottles...
  • Child safe: this product is UL/Energy Star approved and features a child safety lock on the hot water spout so the entire family can use it worry free
Bestseller No. 19
Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in...
  • 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...
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,...
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your...
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for...
Bestseller No. 20
Space heater, Aikoper 1500W Oil Filled Radiator Heater with 3 Heat Settings, Adjustable Thermostat,...
  • ☑Energy-Saving & Smart thermostat: Built with three heating mode("1"-600W / "2" -900W/ "3" -1500W) and adjustable temp(41℉-95F℉) to meet your...
  • ☑Efficient Heating: Aikoper radiator heater uses the strong convection heating technology to heat the cold air, form a circulating warm air flow and...
  • ☑Multiple Safe protection: With the permanently sealed oil reservoir, you don't worry about the oil leakage issues. And we use the ABS flame...
  • ☑Quiet & Comfort: This room heater warms the space by heating the special oil inside, keeping you skin comfort without drying and providing you the...
  • ☑Simple & Durability: Only two control knob, twist lightly to set the power and temp. Filled with the permanent sealing oil, you don't need to...

Having trouble finding a great Energy Star Natural Gas Water Heater?

This problem is well understood by us because we have gone through the entire Energy Star Natural Gas Water Heater research process ourselves, which is why we have put together a comprehensive list of the best Energy Star Natural Gas Water Heaters available in the market today.

After hours of searching and using all the models on the market, we have found the best Energy Star Natural Gas Water Heater for 2023. See our ranking below!

How Do You Buy The Best Energy Star Natural Gas Water Heater?

Do you get stressed out thinking about shopping for a great Energy Star Natural Gas Water Heater? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Energy Star Natural Gas Water Heater, which is why we have assembled a comprehensive list of the greatest Energy Star Natural Gas Water Heater available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Energy Star Natural Gas Water Heater that you consider buying. Your questions might include the following:

  • Is it worth buying an Energy Star Natural Gas Water Heater?
  • What benefits are there with buying an Energy Star Natural Gas Water Heater?
  • What factors deserve consideration when shopping for an effective Energy Star Natural Gas Water Heater?
  • Why is it crucial to invest in any Energy Star Natural Gas Water Heater, much less the best one?
  • Which Energy Star Natural Gas Water Heater are good in the current market?
  • Where can you find information like this about Energy Star Natural Gas Water Heater?

We’re convinced that you likely have far more questions than just these regarding Energy Star Natural Gas Water Heater, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Energy Star Natural Gas Water Heater, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Energy Star Natural Gas Water Heater. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Energy Star Natural Gas Water Heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Energy Star Natural Gas Water Heater currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Energy Star Natural Gas Water Heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Energy Star Natural Gas Water Heater?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Energy Star Natural Gas Water Heater.
  5. Customer Ratings: Number ratings grade Energy Star Natural Gas Water Heater objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Energy Star Natural Gas Water Heater.
  7. Product Quality: You don’t always get what you pay for with an Energy Star Natural Gas Water Heater, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Energy Star Natural Gas Water Heater is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Energy Star Natural Gas Water Heater information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Energy Star Natural Gas Water Heater is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best energy efficient water heater?

A: Siemens AG Bajaj Electricals Ltd Bradford White Rinnai HTP Bradford White Rheem Manufacturing Co Heat Transfer Products Inc Bradford White Corp Noritz Corp

Q: Which type of the water heater is the most energy efficient?

A: Which Type Of Water Heater Is The Most Energy Efficient? Conventional Storage Tank Water Heaters. Conventional hot water tanks are still the most common option in U.S. … Smart Water Heaters. … Power Vent Water Heaters. … Heat Pump And Tankless Coil/Indirect Water Heaters. …

Q: What is the top rated water heater?

A: One top-rated Rheem water heater is the 40-gallon 22V40F1, which is intended for small households. This self-cleaning model resists sediment accumulation and functions properly in high altitude locations.

Q: What is the efficiency of a hot water heater?

A: High Efficiency Water Heaters. Provide Hot Water for Less. Heating water accounts for approximately 15 percent of a home’s energy use. High efficiency water heaters use 10 to 50 percent less energy than standard models, saving homeowners money on their utility bills.