Best Tankless Water Heater for Family 2023-Reviews and Buyer Guide

Nothing causes more arguments in a home than the morning rush for the shower, right?

And most people have a large home with three or four bathrooms, so in the morning, if all the people in the home need hot water at the same time, then often there is a problem of not having enough pressure, or running out of hot water. However, selecting the best tankless water heater for a large family 2023 can solve the problem. The issue is overcome easily, you just need to install a unit with a high flow rate and efficient energy conversion, and then you, and all your family will always enjoy hot water in each bathroom. But more importantly you will avoid the mad morning arguments over who used all the hot water up.

Best Tankless Water Heater for Family

Simple right…? Okay so you probably already knew that, which is why you are now searching for what tankless water heater is best for your family needs.

High Power

If you have a large family, you require a water heater that can give you a large amount of flow and equally high energy efficiency. In our experience Rinnai and Rheem Gas Tankless Hot Water Heaters are the most common, and offer the best value for money and efficiency. But there are many other good options available some similarly priced, others are more budget friendly.

We will cover all your options in this Review, covering the good, and not so good of the best tankless water heaters. for a family home.

Here are our winning 3 models

Premium Choice

Rinnai RUC98IN

Rinnai RUC98IN

High Efficiency Natural Gas Water Heater

About this item

  • 9.8 GPM
  • 0.95 Energy Factor Rating
  • Gas, Indoor
  • Easy To Install

Premium Choice

Rheem RTGH-95XLN

Rheem RTGH-95XLN

Didgital (UMC-117) Remote Control

About this item

  • 9.5 GPM
  • Gas, Whole House
  • 0.94 Energy Factor Rating
  • Easy to Use Digital Control Panel

Best Overall

Marey GA10L

Marey GA10L

Compact design saves space and Digital Temperature Display

About this item

  • 3.1 GPM
  • Gas, Point of Use
  • 54-87% Energy Efficiency
  • Indoor or Outdoor

Best Tankless Water Heater for a Family 2022

There are many benefits of choosing tankless water heaters, espescially if you are looking for the best suited water heater for a family home. Tankless water heaters offer unparraleled reliability and consistancy. They do not run out of hot water, no matter how long the other person was in the shower before you.

A You are not alone in experiencing the annoyance of having to choose between either wating an hour for the water tank to heat up, or having a luke warm, even cold shower because someone has selfishly used up all the hot water before you.

Thanks to the advances in water heater technology this should be a thing of the past, tankless water heaters are very efficient, small and compact, no wasting water through a presure release pipe… But more importantly they do not run out of hot water, even when serving multiple locations at once.

Traditional Water Heater

A You are not alone in experiencing the annoyance of having to choose between either wating an hour for the water tank to heat up, or having a luke warm, even cold shower because someone has selfishly used up all the hot water before you.

Thanks to the advances in water heater technology this should be a thing of the past, tankless water heaters are very efficient, small and compact, no wasting water through a presure release pipe… But more importantly they do not run out of hot water, even when serving multiple locations at once.

Making the transition from a traditional tank water heater to tankless water heater can be difficult choice if you have never experienced the benefits before. Apart from the fear of a complex installation, there is also the price to consider.

A cheap storage tank heater can be found for a few hundred dollars, but a good tankless water heater will be more expensive. However, you’ll quickly understand why they are worth the investment once you learn more about theier benefits.

The fact that you’ll never run out of hot water at the wrong time, is enough to make the higher price tag totally worth it. But they are also longer lasting, cheaper to maintain and cost less to run, making them better value in the long run than cheaper tank alternatives.

Premium Choice

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater

1. Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater

High Efficiency Natural Gas Water Heater

  • The Rinnai RUC98iN is an ultra low NOx, high efficiency natural gas water heater.
  • With a maximum flow rate of 9.8 gallons per minute and a storage capacity of 98 gallons, this unit can quickly deliver hot water to your entire home.

The energy efficient design only uses the natural gas that you pay for while delivering up to 0.96 Energy Factor/0.92 Uniform Energy Factor on demand hot water at all times. The RUC98iN is the perfect combination of high efficiency, easy to operate and adjust, and value. Which is what makes them, in our opinion the overall best tankless water heater for a family home. They are perfect if you are looking for a natural gas heater from Rinnai.

But they are very versatile, making them great even for a smaller to medium-sized home.

Compact, easy to install, reliable, and suitable for internal instlation withthe right venilation.

Last but by no means least, what made this our top pick was Rinnai products provide peace of mind with a warranty that exceeds the competition.


Included Technology

A tankless natural gas heater uses renewable technology, delivers more efficiency, and reduces unnecessary heat loss. Which means you will save a lot of money on gas and electricity energy bills. Plus you will feel good knowing you are doing your part for the environment choosing a water heater that it is not using as much energy.

Save Valuable Space

Your water heater shouldn’t take up much space! The compact design allows installation in non-traditional areas such as an attic, crawl space, or in a closet. This Rinnai tankless water heater is only the size of a small carry on suitcase.

Affordable and Efficient Saving

Rinnai have always strived to ensure their heater units use advanced technology to ensure low CO2 emissions (espescially when compared to storage tank heaters), using less energy and saving water. Typically you will use 40% less energy than traditional tanks because you only heat water when you need it.

Stable Temperature of Water

For those who have a family or large house, the high flow rate of this heater enables it to support having hot water running in multiple locations simultaneously without pressure fluctuations. This means that no matter how many taps are being used at once there will be constant temperature between them all for your convenience! Plus with its quiet operation, even when someone has a shower on at full blast, perfect for quiet early morning or late night use.


  • Easy to install
  • Dependable Tankless Unit
  • On demand hot water in around 15 seconds
  • Easy to Operate Temperature Control Panel


  • Premium Price

Best Budget

Rheem RTGH-95XLN

2. Rheem RTGH-95XLN

Didgital (UMC-117) Remote Control

  • The RTGH-95XLN Prestige Outdoor Condensing Gas Furnace from Rheem is a high-efficiency gas furnace designed for homes with up to 2,000 square feet of living space.
  • The 95% AFUE efficiency rating and low NOx emissions make this furnace ideal for meeting the requirements of today’s energy codes.

This model features a stainless steel condensing heat exchanger that not only extends the life of your system but also provides quiet operation and lower operating costs. Rheem has been manufacturing the best domestic and commercial water heaters and cooling systems for many years.

Their use of EcoNet is the brains of Rheem water and smart air products. It uses sensor technology to offer a level protection, comfort, as well as energy savings that are unmatched by other systems on the market today!

The flow rate range is impressive, it starts at a very low 0.26 GPM minimum and can deliver up to 9.5GPM maximum hot water output.


No Need For Vent Pipe

This unit is designed to be installed externally, and will vent direct from the unit, so there are no additioonal vant installation steps required. The low NOx design enables it to save as much energy and reduce combustion losses as possible.

Easy to Install and Use

Furnished for easy replacement, easy installation, and digital heat display 54 A. 13kW Model . Rheem gives durable copper two-way heating element and serviceable. Self-modulating control field and simple installation – 1/2 NPT adapters included; side 1/2 inch Connected water connection.

Lightweight Design

Rheem has set the new model of the best tankless water heater for family and home depot, which is excellent, lightweight, and most sturdy in shape and design. The 240V is portable and very light in weight for shifting it from places in different range zones. The sliding and heating adaptability in the model of water heater is so helpful for easy to use.

Advanced Technology

The Rheem RTGH-95XLN water heater is a powerful and reliable product. With its 12 year warranty on the heat exchanger, you can rest assured that your investment will provide years of service. The unit can be set at a water temperture of 80°F minimum or 140° Maximum the factory setting is 12etting from the factory settings with 200-watt electronic ignition for quick starts in cold climates where other heaters take too long to get hot enough after startup! This super efficient energy star qualified model ensures no wasted money on high operating costs due to inefficient operation as well as lower lifetime risk against failure caused by neglectful use.”

What we really like is this unit can be ran in tandem for very high use situations.


  • Reliable even in Extreme Conditions
  • Operates at Flow Levels as Low as .26GPM
  • Heats Fast
  • Easy to Use Digital Control Panel


  • Economical

Efficient for Work

Takagi T-H3-DV-N Best Tankless Water Heater For Family

3. Takagi T-H3-DV-N Best Tankless Water Heater For Family

Computerized Safety Features, No Pilot Light To Have To Worry About

  • The Takagi T-H3-DV-N is a tankless water heater that offers endless hot water for your family.
  • It’s also a great option if you live in a home that has an existing storage tank, but would like to have another source of hot water.

This unit comes with all the features you’d expect from a high quality tankless water heater including computerized safety features, on demand usage, and energy conservation. The compact design of the unit makes it ideal for homes with limited space. T-H3-DV-N supplies hot water to indoor hot water systems (directly or indirectly) for use by storage tanks, recycling systems, hydronic heating systems, heating systems, and/or domestic and thermal applications, This model is excellent, it is transformed into an unassuming water heater complete with seating services.


Endless Hot Water

You can also choose between taking a hot tub shower, doing a laundry service, or using a shower. Takagi’s heater will never run out of hot water leaving you cold. Takagi heater is a hot water with ThermaCirc360 technology that circulates hot water through your pipes to get hot water faster.

Overall Performance

The overall performance of this model is always pleased and good enough to work very accurately. The steel vent cleaning kit is included in this model which is stainless. As usual, the overall performance is efficient. Nevertheless, an excellent and huge power motor is beneficial for working. The performance is also good and secure enough in this model is due to a right bag setting for dusting in the dust during work and collects in the right way for more work.

Easy to Install

With the installation of 199,000 BTU gas, the T-H3 can produce enough water for Kitchen in warm climates or Whole house in very cold conditions. Computer security features, No driver light to worry about. It satisfies the 2012 SCAQMD Rule 1146.2 Ultra-Low NOx Emissions.


  • Challenging working heater
  • Home depot product
  • Temperature control
  • Easy to install


  • No extension

Heavy duty overall

Eccotemp L10 2.6 GPM Portable

4. Eccotemp L10 2.6 GPM Portable

It’s Compact Size Makes It Ideal For RVs, Cabins.

  • The Eccotemp L10 is a tankless water heater that provides the perfect solution for small spaces.
  • It’s compact size makes it ideal for RVs, cabins, boats and any other space where you need hot water on demand.

The Eccotemp L10 Tankless Water Heater is an excellent choice for your RV or cabin because of its compact size, ease of installation and low cost to operate. This tankless water heater has a built-in temperature regulator. The Eccotemp L10 can be installed in minutes with no tools required. A water heater outside the house reaches 6.5 liters per minute. Ecotemp has been a designer in the water heating industry for over 60 years. We introduced the first modern water heater, which was electrically controlled in 1981 and we are still at the forefront of saving energy and delivering water at high temperatures today. Our goal is to empower you with the highest quality products available at the highest price.


Valve Kit

Various adapters and terminals are available to allow a wide range of opt-out options. This unit ship ends with a 6 ‘power cord. The K-WV-200-1-XX-LF valve decaling kit (required for installation) is sold separately.

High Efficiency

The ecotemp is a waterproof heater with an advanced heat exchanger design and a built-in controller. With flow rates of up to 6.5 liters per minute, it delivers the highest prices in its category and can be produced using a 3 ″ Schedule 40/80 PVC, PP, or CPVC.

Thermostatic Remote

In this brand installed the thermostatic remote power cord & 6 ‘tankless hot water. Standard companion items include rain cap (PRC-1), atmospheric conversion kit (SVCK-3), and horizontal disconnect / hold PVT-HL.


  • Lowest cost heater
  • Stainless steel venting
  • Perfect in size
  • Manual installation


  • Low level of water flow

Long Lasting

Stiebel Eltron 224199 240V

5. Stiebel Eltron 224199 240V

It Can Help You Save Money On Your Energy Bills.

  • This tankless water heater has an intuitive digital control panel that makes it simple to set the temperature of the water in your home.
  • You can choose from one of the pre-set temperatures or create your own custom setting for ultimate convenience.

This unit also features a self-cleaning function so you don’t have to worry about keeping it clean. It can help you save money on your energy bills and it’s easy to install. The Stiebel Eltron Tempra Plus 24 kW, Tankless Electric Water Heater is a great addition to your home. The Stiebel Eltron has set the new model of Tempra 24 plus with excellent and accurate heating settings in the heater. This model is ideal for hair salons, kitchen sinks, and home use. Further, good German technology is also used in the water heater for different heating brackets in the glass materials.


Continuously Flow

The advanced German Flow patented technology, developed by Stebel Eltron, keeps itself at constant water temperatures for maximum comfort. Accordingly, it will reduce the flow less if the demand for hot water exceeds the capacity. Hot summers will never be interrupted again.

Space and Energy Saver

Its sleek, minimalist design saves space yet providing endless hot water for my house, and no access is needed. Hence, the Eco-friendly unit saves energy through auto-modulation and the ability to measure electric flow. In conclusion, increased savings also show how much you save on energy costs.

Easy Operation

The electronic flow sensor is switching to a heated indoor heating system. However, it’s audio while in use and there’s a digital heat display and temperature memory buttons set.

Warranty Included

The Stiebel Eltron is rated higher than the standard wireless water heater that produces the highest levels of comfort and reliability. In addition, our 7-year warranties and 3-year warranties are included with the purchase.


  • Worth every penny
  • Lightweight
  • Mounting installers
  • Pre-Set temperature buttons


  • Not returnable

Best Powerful

Marey Power Gas 10L 2.7 GPM

6. Marey Power Gas 10L 2.7 GPM

The Digital Temperature Display Makes It Easy to Monitor the Temperature of Your Water.

  • The Marey Power Gas 10L 2.7 GPM Propane Gas Digital Panel Tankless Water Heater is the perfect water heater for any home or office.
  • This tankless water heater heats your water on demand, meaning that you don’t have to wait for hot water to reach your faucets.

With an automatic shut-off feature, this tankless water heater will save energy. The digital temperature display allows you to see the exact temperature of your hot water at all times, and its compact design means that it can fit in almost any space. This compact model saves space and allows for easy installation almost anywhere. It fires lower water volume as needed and allows you to control the flow of water and gas flow at better temperatures.

Marey Power is used for the tiny house which is suitable for hot water. So, if you’re in hurry and looking for a hot water grade, this is the product for you! It is also a good alternative to those homes that suffer from power outages because the heater does not need electricity.


High Altitude

Gas-free water heaters are less efficient at higher temperatures. Similarly, as a rule of thumb for any altitude 4000 ft high, a gas tank unit will lose 4% of its BTU at every 1,000 ft above that altitude. So, Electric units are not affected at high altitudes.

Save Water

Additionally, it saves 60% more water and less electricity than a conventional water heater, making it more expensive. Only gas is used when the water is flowing. Finally, this model has a cleaning kit that cleans the internal save water.

Compact Design

Meanwhile, the design on the computer saves space and allows for easy installation in almost any location. There is no use of electricity (works with 2 D Cell batteries). To get the hot water immediately then use this model of best tankless water heater for house. In conclusion, this model is also great for DIY.


  • Digital temperature display
  • Great for DIY
  • Provide constant airstream
  • Lightweight


  • Fire hazard

Best Performance

iHeat Tankless S-12 240V 54A 12KW Stainless Stee

7. iHeat Tankless S-12 240V 54A 12KW Stainless Stee

It Save Up to 60% On Your Water Heating Costs.

  • iHeat tankless s series can also be used in highly sterile applications like commercial kitchens, hospitals, clinics, and even schools where cleanliness is of the highest importance.
  • iHeat tank less s series saves valuable space with its compact size, the s series compared to tank Type water heaters, is small enough to fit any under counters installations, or even closets.

Water proof construction allows you to easily flush out the sediment that builds up inside the unit without having to remove it from its installation location. iHeat tank less water heater saves you up to 60% on your water heating costs. The stainless steel floor heat sink is suitable for any applications near the beach, such as front beach buildings, boats, small boats, restrooms, and outdoor kitchens. Moreover, heat tank low s series can be used in sterile systems such as commercial kitchens, mobile home depots, hospitals, clinics, and even schools where cleanliness is very important.


Capacity of Heating

This electric heater model is 2.3 GPM equivalent to 1 Exhibit (per 1.5 GPM), and 1 sink (at 0.75 GPM each) at any one time, or any combination equal to 2.3 GPM. This model is handling these applications in our tropical regions of Florida, Georgia, Louisiana, Texas, Arizona, California, Alabama, and Mississippi. In the same vein, anything north of these countries S-12 s-16 can be used for use point, or 1 use at a time.

Touch System

A small Heat tank heater saves you up to 60% on your heating water costs.  Accordingly, waterproof construction allows you to easily and safely control the temperature through our effective water contact settings.

High Efficiency

Subsequently, enjoy the endless supply of hot water with this top-notch use of Bosch’s electric waterproof tank spray. Only the smallest suitcase size, the S-12 240V 54A 12KW is compact, easy to install, reliable, and suitable for mobile home environments. Certainly, Bosch products provide peace of mind with warranties that exceed the competition.


  • Water flow within seconds
  • Helped with home depot
  • Save money in the long run
  • Latest technology


  • Economical

Frequently Asked Questions( FAQs )

1. What Is a Tankless Water Heater for Family?

Most North Americans currently use a heater tank for families storing hot water in their homes. A water heath tank keeps water heated 24 hours a day, whether you’re at work or sleeping. In conclusion,   a waterproof heater, on the other hand, does not store hot water. It burns the water the way you use it.

2. What Will Be the Suitable Size of the Best Tankless Water Heater?

The size of a waterproofing helicopter is largely dependent on the repair of the pipes and equipment used for housing. Also, it depends on the temperature of the groundwater somewhere. Finally, it probably depends on the number of people who live in a house that is very important in providing hot water.

3. Do Tankless Water Heaters Work in Cold Climates?

Wireless products work in cold environments. However, there are a few things to keep in mind. Similarly, cold weather means cold temperatures below the surface, leading to the need for more water to heat your desired temperature.


Consequently, having the best tankless water heater for a family in your home is not a luxury. Instead, this is the perfect need for your family and yourself for the winter. So, before installing a water heater, you need to know everything nitty-gritty about it.

Once you believe you have the best tankless water heater for the family 2022 without electricity, then try to find the one that is right for you. From our top picks, you can get some ideas about the best water heaters which are made in Dallas. After having an in-depth view of all the models you can finally pick one that will serve your purpose better.

Similar Posts