Tankless water heaters are miraculous products providing an instant supply of hot water. Mistakenly, I thought they could serve a single user until I found the best tankless water heater for a large family.
These water heaters are compact, lightweight, energy-efficient, and sufficient for providing a more significant amount of hot water without needing you to install a tank for them to store hot water. It’s fantastic to get ample hot water for the whole family with these instant tankless heaters.
My family and I have been using these tankless heaters powered by electricity or gas, and I must admire their excellent capacity to fulfill the needs of all family members.
If you consider purchasing these great tankless water heaters, you must go for trusted, reliable, and tested products. We have written this detailed review and buyer’s guide for you based on our experience with various tankless and best instant water heaters. Therefore, please scroll down to know more!
At a Glance:
Best Tankless Water Heater for Large Family | Top Picks’ Review
1. Noritz NRC66DVNG Condensing-Best Direct Tankless Hot Water HeaterBest Pick
Noritz NRC66DVNG Condensing Direct Tankless Hot Water Heater is a premium quality product with a distinctive position in the market because of its robust operation, user-friendly design, and energy efficiency. Indeed, this is the best tankless water heater for a large family because it comes with a higher capacity complying with the needs of a large family.
Noritz NRC66DVNG weighs only 39 pounds with 6.7 inches x 13.8 inches x 23.6 inches dimensions having a compact and lightweight design. Therefore, if you have lesser space to install it, there are no worries because this tankless heater will serve you in the best manner by providing hot water endlessly. Another good news associated with this electric battery-powered tankless heater is that it is certified to produce cleaner emissions with a lower extent of nitrogen oxides (NOx).
This shows the eco-friendly and sustainable nature of this heater. You will be glad to learn that this heater has an impressive flow rate of hot water. The maximum flow rate of Noritz NRC66DVNG is 6.5 gallons per minute (GPM). The distinctive feature of this tankless heater is its entire operation running on condensation reaction. Thanks to the highly innovative heat exchanger system embedded inside it and the efficient controller ensuring flawless functionality.
- Facile venting options
- Extended warranty time
- Highly efficient remote thermostat
- Slightly expensive
If you need a tankless water heater with a smoother operation, excellent hot water production capacity, and various venting operations, then Noritz NRC66DVNG is the best product to opt for. This heater gives you an option of venting it by using different sources like 3-inch schedule 40/80 PVC, CPVC, and PP. Overall, this heater represents an impressive appliance that you must own for yourself and your family. This is a must-consider option!
2. Rheem RTEX-18 18kW 240V-Top Rated Electric Tankless Water HeaterBudget Pick
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater has made a special place among its competitors because it offers an array of features like higher water flow rate, premium quality construction materials, and mess-free installation. That is why you must purchase this best tankless water heater for a large family, coming with advanced features. When I purchased this great heater, I loved it for the innovative self-modulation mechanism.
This battery-powered heater is made with top-grade alloy steel and has 18.25 inches x 3.5 inches x 14.5 inches. Rheem RTEX-18 will require 240 Volts and a power of 18000 Watts to give you 4.4 gallons per minute (GPM). If you are wondering about the energy efficiency of this heater, then we are glad to mention that it is a 99.8% energy-efficient appliance. That is why you will be glad to get an endless supply of hot water without worrying about battery replacement frequently.
Another best feature associated with the Rheem RTEX-18 is providing a control system based upon the extrinsic digital thermostat. This thermostat is equipped with an LED screen to allow you to do the monitoring at your convenience. Thanks to the Rheem manufacturers for making this heater with the dual heating elements made from durable copper-based immersion. With clear instructions, you will be able to install it quickly and easily without any issues.
- Temperature adjustability
- Brightly lit LED screen
- Highly durable heating elements
- Warranty not mentioned
Rheem RTEX-18 is a jam pack of features that will amaze you and provide you with an ample supply of hot water. I must admire this tankless water heater for its durability and advanced functionality. So, no matter if you want to use it as a point source of hot or your family needs it for multiple, applications this tankless water heater will serve you on the coldest days. For that, you need to purchase it first.
3. EcoSmart ECO 27 Electric Tankless Water Heater-Energy Saving Electric Water HeaterStaff Pick
EcoSmart ECO 27 Electric Tankless Water Heater has no competition for energy saving, compact design, and exceptional durability. When I purchased this best tankless water heater for large family, I loved it for the highly advanced self-modulation technology. EcoSmart manufacturers promise you to save time and energy because this heater works instantly whenever you need it. The point-of-use mode of installation is simple and does not require any expertise.
Suppose you are a resident of colder climates with a lower pressure of water. In that case, you must not miss purchasing this great heater because its manufacturers have specially made it for the colder regions and higher flow rates. Especially if a residential area’s temperature goes below 45 Fahrenheit, then EcoSmart ECO is the best option. With the 99.8% energy efficiency, you will be able to enjoy a great deal of hot water.
The three heating elements of the EcoSmart ECO are made with the Emerson electric material having 9 KW specifications. Also, the top region of these heating elements is supplied with brass to prevent electrolysis effectively. That is why you will be getting an unlimited supply of hot water with this heater. In terms of hot water flow, this heater can produce 2.7 to 6.5 gallons per minute (GPM).
- Auto-resettable thermostat
- Hot water supply regulation
- Matchless heating elements
- Needs care in use
Having a large family increases the hot water demand, and thus you need to make a wise decision in choosing a tankless water heater. The good news is that you don’t have to search more because EcoSmart ECO is here to fulfill your hot water needs with excellent energy efficiency. Thanks to the manufacturers for using self-modulation sensor technology in this heater. Therefore, we strongly recommend you to go for it.
4. Rinnai RL75iN Natural Gas Tankless Hot Water Heater-Top Quality Construction
Rinnai RL75iN Natural Gas Tankless Hot Water Heater is the best tankless water heater for large family laden with the unique features of natural gas-powered operation, premium quality metallic body, and impressive flow rates of hot water. This high-efficiency best tankless gas water heater is admirable for its innovative technology aimed at the endless hot water supply.
I have been using this excellent heater for quite some time, and I am highly impressed by its long life. The longer life and smoother hot water production are indeed attributable to its high-end construction. Also, you will love this modern heater because it offers you a unique feature of Wi-Fi monitoring. In addition to this, it has a recirculation technology that allows the quickest and uninterrupted hot water release as you open the tap.
Rinnai RL75iN weighs 50 pounds the 14 x 9.3 x 23 inches, and thus you can install this suitcase-sized heater in the tighter spaces even. In terms of flow rate, you will be amazed to get 7.5 gallons per minute with it. This tankless water heater arrives with energy-saving perks because it has got a ‘Uniform Energy Factor (UEF)’ rating for the production of ample hot water at lower gas consumption.
- ThermaCirc360 technology
- Compact and space-saving design
- Highly durable design
- Occasional descaling treatment needed
If you never want to run out of hot water, you need to purchase a trustworthy tankless heater like Rinnai RL75iN. With the energy and money-saving benefits, you will enjoy an uninterrupted hot water supply. The quickest hot water delivery with the Circ-Logic recirculation innovative technology will genuinely amaze you. Therefore, we strongly suggest you go for this great heater.
5. Takagi T-H3-DV-N Condensing High-Efficiency Tankless Water Heater
Takagi T-H3-DV-N Condensing High-Efficiency Tankless Water Heater is a natural gas-powered station that has broken all records regarding higher water flow rates. You will be amazed to learn that this best tankless water heater for large family can produce 10 gallons per minute of hot water. With the premium quality stainless steel and commercial-quality copper construction material, this tankless heater will be accompanying you for many years.
As a result of these unique compositional materials, you will be getting an efficient transfer of heat when compared with the other conventional tankless heaters. You will love Takagi T-H3-DV-N for its powerful yet silent functionality with only 55 decibels of the noise level. Another best feature associated with this tankless heater is its highest temperature range, i.e., 100 to 185 degrees Celsius.
Takagi T-H3-DV-N excellent heater weighs only 59 pounds with the 11.25 inches x 17.75 inches x 24.88 inches dimensions. Also, you will be happy to learn that it has computerized features for safety, and thus you will be using it in a worry-free manner without needing a pilot light. In terms of eco-friendliness, this heater is appreciable because it produces an ultra-low quantity of NOx emissions. These emissions comply with the 2012 SCAQMD Rule 1146.2.
- High-tech safety features
- Minimal NOx emissions
- Premium quality construction materials
- Complicated installation
If you are looking for a tankless heater to satisfy the hot water needs of your large family, then Takagi T-H3-DV-N is the best option to go for. This is a perfectly safe and energy-efficient heater to opt for. With the anti-freeze and overheating protection, you will enjoy an endless supply of hot water no matter how cold the region you reside in. Therefore, purchasing this heater will be the best decision you can make.
6. Rheem RTGH-95DVLN 9.5 GPM Tankless Water Heater
Rheem RTGH-95DVLN 9.5 GPM Tankless Water Heater is unbeatable for energy efficiency, excellent construction materials, and quickest hot water delivery. The impressive functioning will convince you of this best tankless water heater for large family because it offers unique features. They include temperature regulation and anti-freeze features.
Even if you are at the highest elevations, i.e., 9.840 feet, Rheem RTGH-95DVLN will not cease giving you hot water. Thanks to the Rheem manufacturers for equipping this heater with the automatic diagnostic system. This self-diagnostic system will be helping you in the facile installation without facing any issues. In addition to these features, this heater also comes with a digital display screen.
Through this screen, you will be able to access the temperature and additional codes for maintenance. Rheem RTGH-95DVLN has 79 pounds weight with the 5 inches x 9.75 inches x 27.5 inches, which offers you a compact design. The manufacturers of this fantastic tankless heater have adopted premium quality stainless steel and polymeric composites in the polyvinyl chloride (PVC).
- Highly compact design
- Safer operation
- Longer lifespan
- Noisy when operational
Grabbing an efficient and high capacity best tankless gas water heater is no more a dream with the Rheem RTGH-95DVLN. This best instant water heater will amaze you with its high-performance, uninterrupted hot water supply, and durable construction. Based on my experience with this great heater, I strongly recommend you to go for it.
Tips and Tricks for Buying the Best Instant Hot Water Heater
Purchasing the best tankless water heater can be a tricky task, but there are specific ways through which you can make the proper selection. However, when you consider purchasing the best tankless water heater for large family, you cannot afford to make mistakes. In that case, you will be at a loss in terms of money. Therefore, you need a set of tips and tricks to help you buy the best heater to fulfill your family’s needs.
To help you make the right choice of tankless heater for providing hot water for your whole family, we have written this buyer’s guide. All you have to do is to take close notice of the pre-purchase considerations we are defining here, and we guarantee you that you will end up purchasing the best tankless heater. Here we go with these factors!
When you are going to purchase a tankless heater for your whole family, the first thing to check is the flow rate. The tankless water heaters with a higher hot water production rate will be the best to opt for. However, if you mistakenly go for the tankless heaters with the lower capacity, you might be disappointed because it will facilitate only you or some other family members. However, you will run short of hot water with such models considering a whole family’s use perspective.
In this regard, we suggest you check the gallons per minute (GPM) of the tankless water heater. Generally, a water heater has a flow rate higher than 4 GPM, perfect for a large family. We have suggested to you some great picks that can provide you with up to 10 GPM. For example, you can go for Takagi T-H3-DV-N Condensing High-Efficiency Tankless Water Heater, offering an excellent flow rate.
Suitability for Colder Regions
Another important pre-purchase consideration is to check the specifications of your tankless water heater for operation in colder climates. Also, if you are a resident of the areas with lower pressure, then some of the tankless heaters won’t be functional under these pressures.
The good news is that market is offering several tankless heaters with anti-freeze features to provide you with an endless supply of hot water. For example, you can go for EcoSmart ECO 27 Electric Tankless Water Heater, Rheem RTGH-95DVLN 9.5 GPM Tankless Water Heater, and Rinnai RL75iN Natural Gas Tankless Hot Water Heater.
While considering the pre-purchase considerations for buying a tankless water heater, you must not forget to check your heater’s energy efficiency. If you go for the energy-efficient and environmentally friendly models, you will see a considerable reduction in the price you incur on powering them. Luckily, the marketplace offers you a wide variety of heaters with energy-efficient designs. They include:
- Noritz NRC66DVNG Condensing Direct Tankless Hot Water Heater
- Rheem RTEX-18 18kW 240V Electric Tankless Water Heater
- EcoSmart ECO 27 Electric Tankless Water Heater
- Rinnai RL75iN Natural Gas Tankless Hot Water Heater
- Takagi T-H3-DV-N Condensing High-Efficiency Tankless Water Heater
- Rheem RTGH-95DVLN 9.5 GPM Tankless Water Heater
Always Go for the Durable Tankless Water Heaters
Buying a tankless water heater for your whole family means investing a handsome amount. Therefore, you must not overlook the factor of durability. If you fail to grab a durable tankless heater for water, the result will be the loss of money and time. The durability of a water heater is associated with two factors. Firstly, you need to check what type of material is used to make the tankless water heater frame. Secondly, you should check the material and design used for making heating elements.
These two specifications will be determining the overall durability of a tankless water heater. Ideally, you must opt for the products offering construction with stainless steel material. In terms of the heating elements, we strongly suggest you go for copper and stainless steel materials. Having brass coating will be further best because it will be preventing the process of electrolysis and keep heating elements intact. For example, you can go for EcoSmart ECO 27 Electric Tankless Water Heater.
Frequently Asked Questions
Which is the best tankless water heater for large family?
There is plenty of tankless water heaters that can serve to provide hot water for the whole family. However, we have tested Noritz NRC66DVNG Condensing Direct Tankless Hot Water Heater several times. This heater has consistently given excellent results every time we use it. Therefore, we strongly recommend you to go for it.
Which tankless heaters are suitable for larger families running on gas?
Based on our experimentation and analysis of the reviews of other users, we found three gas-powered tankless heaters to be the best for the use of the more prominent families. They are Rinnai RL75iN Natural Gas Tankless Hot Water Heater, Takagi T-H3-DV-N Condensing High-Efficiency Tankless Water Heater, and Rheem RTGH-95DVLN 9.5 GPM Tankless Water Heater.
What are the factors that determine the quality of the tankless heaters?
When you purchase the best and top-notch tankless heater, we strongly recommend you check it for some factors. These include gallons per minute, suitable venting system, durability, safety features, suitability of use in colder climates, and energy efficiency.
If you were in the wrong perception that tankless water heaters are only for single-users, then this review and buyer’s guide on the best tankless water heater for large families must have clarified your view. You will be glad to know that top brands are mindful of the need of larger families, and they are producing market-worthy options for you. You can choose any best product from our review, and it will be delivering its best performance. We have narrowed down our choice to the top three tankless water heaters due to their high performance. They are:
- Noritz NRC66DVNG Condensing Direct Tankless Hot Water Heater due to its facile venting options, extended warranty time, highly efficient remote thermostat
- Rheem RTEX-18 18kW 240V Electric Tankless Water Heater due to its temperature adjustability feature brightly lit LED screen, and highly durable heating elements
- EcoSmart ECO 27 Electric Tankless Water Heater due to its auto-resettable thermostat, hot water supply regulation, and matchless heating elements
Thank you for reading our review and buyer’s guide till the end. Please pour down your worthy suggestions in the comment box.