Best Water Heater For Large Family 2020 – Ultimate Reviews

Finding the perfect water heater for your home can be a bit challenging especially if it’s your first time shopping for one.

Most water heater these days are designed pretty well when it comes to giving you the best performance you always wanted.

If you have searched around and have noticed that there are many different brands and models to choose from and you just can’t make up your mind, then don’t worry we’ve got you covered.

Below we’ve listed some of the best water heater for large family on the market today. These reviews will give you a good insight into which model would best suit your needs.

Best Water Heater For Large Family

Water Heater NameRatingsPrice
Rinnai RUC98iN Tankless Water HeaterBest For Large FamilyCheck Price
Rheem RTGH-95DVLN Water HeaterBest Value For The MoneyCheck Price
Stiebel Eltron 224199 Whole House Tankless Electric Water HeaterMost AffordableCheck Price

1. Rinnai RUC98iN Tankless Water Heater – Best For Large Family

Best Water Heater For Large Family
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When it comes to choosing the perfect water for a large family I think the Rinnai RUC98iN is the way to go. With its high 9.8 gallons per minute (GPM) flow rate, I strongly believe it’s worth the investment.

Using Rinnai you’ll never have to worry about running out of hot water again, especially if you have teenagers in your home that loves to take extra long showers or you just simply want to fill up your large tub with hot water.

This superb water heater uses an electronic ignition that meets both California and Texas NOx emissions standards and is compatible with all Rinnai digital controllers. These tanks are designed only for indoor installations in residential and mobile homes, also in light commercial applications.

The Rinnai RUC98iN comes with a powerful burner that has the ability to generate up to 199,000 Btus, but also, due to the modulating gas burner, you can reduce its power as low as 15,200 Btu.

Residential users can set the temperature between 98 and 140 degrees while commercial installs can go all the way up to 185 degrees.

Not only is this heater one of the best on the market for families, but it also comes with a 12-year warranty for the heat exchanger, 5-year parts warranty, and a year warranty for labor, making this one of the best buys for the money.

Safety features include; flame rod, boiling protection, frost protection, combustion fan rpm check, thermal fuse, OHS, and over-current protection.

Most people are not satisfied with this model due to the higher cost of installation versus a tank model. Over a year ago my mother had installed this exact water heater and she was satisfied with the purchase and how well it worked in the end, now she can have the dishwasher and the washing machine running all at once without worrying.

If you are interested in one of the highest quality water heater on the market then I highly recommend checking out the Rinnai RUC98iN Tankless Water Heater. It requires less gas to run and is as quiet as a lamb.


  • Standard gas and water connections of 3/4″
  • Has a lot of safety features included
  • Best value for the money
  • Green technology for the ultra low NOx emission
  • No venting pump needed


  • A bit expensive compared to other models


2. Rheem RTGH-95DVLN Water Heater – Best Value For the Money

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If you are looking for one of the best natural gas tankless water heaters then your best bet is this Rheem RTGH-95DVLN. Raheem has a great record track of water heating innovation and this unit is by far one of the best available on the market at the moment.

Rheem RTGH-95DVLN has a 94% energy efficiency, low NOx emissions, and intelligent electronic controls. What I really like about this model is how easy it is to use, with digital control and a clear and informative display screen, you should be able to operate it with ease.

It has a stainless steel condensing heat exchanger which also means a longer lifespan for your heater. With a 199,000 BTU/hour capacity, this water heater is capable of working in any home without needing to alter the meter, although a few modifications to plumbing may be necessary.

If you are a handyman you should be able to install this heater by simply following the instructions provided. Some consumer states that the Rheem is a bit easier to install than the Rinnai but base on my own experience it is quite similar.

The installation process should take about 3 to 5 hours to complete and it’s a relatively straightforward process. This involves hooking up the water line as well as the gas line, which entails fitting a sediment trap and tee.

All heaters create a level of noise when operating but the Rheem only creates a very silent hum when the fan is running, which can be heard when you run the hot water. The unit has a hot water flow rate of 9.5 GPM making it a great option for a large household.

The biggest downside with this heater isn’t the product itself but the warranty issue. According to some reports, Rheem will at times void the warranty, which can be a huge turn-off. This is why I only recommend buying from certified resellers, such as Amazon or Home Depot.

I highly recommend checking this amazing natural gas water heater. You should also keep in mind that water heater fueled by natural gas usually costs less to operate on a monthly basis than electric models. Another thing is that they still work even when the power is out.


  • Extremely easy to install
  • Sleek and attractive design
  • Heats the water pretty fast
  • Highly rated by users
  • Impressive efficiency


  • You may experience warranty issue, only recommend buying from Amazon or Home Depot


3. Stiebel Eltron 224199 Whole House Tankless Electric Water Heater – Most Affordable

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This compact tankless electric water heater is ideal for large families with two or three bedrooms, and high demand for hot water, it’s also considered to be one of the most popular choices on the market.

The Stiebel Eltron 224199 comes with a compact and attractive design and the sturdy coated steel encase, which allows installation for both residential and commercial use, almost anywhere inside your home, apartment, etc and without taking up much space.

You can also install the unit outdoor, but you will certainly need to protect it from a few elements such as rain and cold weather.

One of the features that I found to be very interesting is thermostatic temperature control, which allows you an accurate, constant, and reliable temperature control resulting in all-day comfort.

A minimum flow rate of 0.5 gallons triggers the unit on, and depending on your outside water temp, it can provide around 5 gallons per minute at whichever temperature setting you’ve selected.

It’s also designed to maximize energy consumption and reduce your electricity bill, this is due to the advanced flow control that is able to heat water even when the capacity is exceeded. Saved an estimated 15-20% on electric compared to other electric tank heaters.

If you are aiming to buy one of the best water heaters on the market for a large-sized homes, then I recommend starting with this impressive heater – you can’t go wrong.


  • No ventilation needed
  • The digital temperature read out
  • Advanced temp control, Reasonable price


  • May be a little too big for some spaces


Electric Water Heater Buying Guide

Hot Water Capacity

This is by far one of the most important factors to consider when buying an electric water heater. You should always pay close attention to the water heater capacity of the particular model that you’re planning on purchasing. It is very important that the model comes with a high amount of water capacity to fulfill the needs of your family. A great example would be 40 gallons, this should be enough to serve an average household.

High Flow Rate

Here is another important factor you should keep in mind. It’s always a good idea to invest in a model that has a high flow rate so that you can always use your heater without being interrupted. Depending on the model you’re getting, some tend to have up to 5 GPM as the flow rate.

The Size

The size of the water heater is always important as well. One mistake that a lot of people make it purchase a water heater that is too large for there space at home. This is the reason why you should consider getting yourself a model that is compact and has the ability to fit in various spaces for installation.


If you are a handyman you should be able to set up the water heater yourself, even though some models are going to be easier to set up compared to others. For this reason, you should consider getting a model that doesn’t require specialized training for installation.


Nothing feels better than having a water heater that works magic while being affordable. All water heater comes at the different price ranges, so it all comes down to your budget. When buying an electric water heater, I always recommend getting a top performance model.


The list consists of the best water heater for a large family on the market. Before buying make sure to properly check the specs in relation to your home’s and most of all the space where you’ll be installing the unit. After installing you can now enjoy an endless supply of hot water with your family.

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