In 1981, Noritz first launched its tankless water heaters on the market and quickly be known to customers. Nearly all the components are made directly by Noritz itself, seldom are outsource. The design of Noritz tankless water heaters origin in Japan, but is widely used and accepted in the USA and Canada.
Based on the belief of providing energy efficient and environmental friendly tankless water heaters, Noritz constantly improved their producing skills and technology. For the past years, Noritz has always been a leading brand on offering commercial and residential tankless hot water heaters. Being a top rated tankless water heater brand, Noritz can be your most reliable and trustful choice.
Top 5 Best Noritz Tankless Water Heaters
Best Noritz Tankless Water Heaters Reviews
Noritz tankless water heaters are frequently used commercially and domestically. Flow rate of those are relatively high. Here we sorted out five best Noritz tankless water heaters reviews for you:
This unit is indoor hot water tankless water heater, which means you need to get extra venting kits.
- Compact and quiet working
Compared with tank water heater, this is really compact and suitable to be installed indoor for small tiny home. The working of the unit is super quiet and nearly no clicking relays can be heard.
- Endless hot water
It offers 0.5-6.5 gallons of water per minute, enable to meet your demand of enjoying hot water in bathing and washing. It supports hot water for two bathrooms in south area and supports one and half bathroom in north area, so it is a perfect gas tankless water heater for middle size homes.
- 2 heat exchangers
There are two heat exchangers, one is copper and the other is stainless steel, offering more options on connection. Both of them perform well in corrosion resistance. As an indoor gas tankless hot water heater, venting kits are required. It can be vented with Schedule 40 PVC Pipe and fittings.
- High efficiency
The gas consumption runs between 15 000 and 120 000 BTU, and thermal efficiency reaches up to 93%. Besides, this unit is a condensing type, which means nearly all the natural gas is used without being wasted. And Nox design of it greatly minimizes emission of nitrogen oxide and is highly environmental friendly.
- 12 year warranty
For Noritz, all the tankless water heater has 12 years warranty for the heat exchanger, and 5 years warranty for other components. Satisfying after sale service well guarantee your rights.
- Overall protection
The unit is well made, and has freeze protection, protecting parts from being frozen in cold climate, and that is really an important thing to consider for high altitude or cold areas customers.
- Remote control
It boasts to support remote control, so that you can control it easily no matter where you are. However, it is not equipped with the unit, you need to buy it separately if you need.
- Highly energy efficient
- Compact shape saves much space
- Money saver on bills
- Large flow rate and supports two bathroom in south area
- Being able to use in cold climate
- Long warranty time
It has the problem of cold water sandwich
This Noritz tankless water heater is designed for replacement of 30-40 gallons tank water heaters. it is powered mainly by natural gas, so venting kits are required.
- No working noise
Some of the tankless water heaters especially for natural gas types are noisy during using process, clicking relays can be heard clearly. However, this unit is super quiet, you can enjoy washing or having a bath comfortably without being bothered by annoying noise.
- Easy installation
Installation of this type is quite easy, takes about an hour to hook it up and connect all together if you know about the method. Detailed instructions are given with products, you can also find a professional if you have no idea how to install.
- Smooth function
According to the reviews of buyers, this unit has no issue of leakage and restarting, the whole working process is smooth and successful. No fluctuation occurs during the whole process.
- Endless hot water
Flow rate of the unit is 6.6 gpm, perfect for small house and family use. You can enjoy the endless hot water when bathing and washing dishes the same time. For large family use or 3-4 bathroom, you may need to get a bigger flow rate tankless water heater.
- Support one bathroom and faucet
- Suitable for small home
- Energy efficient
- Constantly hot water offering
- Easy operation
- 12 years warranty for heating exchanger
- 5 years warranty for other components
Still get the trouble of cold water sandwich
This unit is designed for 4 inch single wall, it is natural gas tankless water heater. Temperature range of it is 100-140 degree F.
- High flow rate
The flow rate of the unit is 0.5-9.8 gallons per minute, which is super high compared with other types. It supports 3 and a half to 4 bathrooms in somewhere warm like south area and 2 bathrooms in cold areas as in north.
- Commercial grade copper wall
On quality level, the unit adopts commercial grade copper wall, which is 25% thicker than normal types. No leakage and restarting occurs in using process, giving you satisfying bathing time.
- Low Nox design
Gas consumption of the Noritz tankless water heater is between 16000 BTU and 199900 BTU. It is designed into Nox type, which means the emission of nitrogen oxide and is highly environmental friendly.
- Elevation adjustment
For high altitude area tankless water heater using, Noritz equips the unit with elevation adjustment. Nine heating options give you more choice on choosing the most suitable temperature for bathing or kitchen washing.
- 12 years warranty
The same as other Noritz tankless hot water heater, this unit has 12 years warranty for its heating exchanger, and 5 years warranty for other components and parts.
- Indoor & Outdoor installation
This unit can be installed both for indoor and outdoor, but one thing needs mentioning is there should be venting kits for indoor use. It supports remote control, but you need to buy it separately.
- Energy efficient
- Best tankless gas water heater for large homes use
- Long time warranty
- Supports 3 and half to 4 bathroom in south and 2 bathroom in north
- Elevation adjustment for high altitude
- 9 heating options
- Install for both indoor and outdoor
It takes some time for hot water to flow out
Tankless water heater of this type must be installed outdoor, so no venting kits are required in installation.
- Gas and propane available both
For this tankless water heater, you can adopt both gas and propane as main power both. It is more energy saving and money saving compared with electric tankless water heaters. Heating ranges among 100 to 150 degree F.
- Energy efficient
The gas consumption is between 15000 and 140000 BTU, the thermal efficiency is 84%, which means large sum of gas is used and only little is wasted. For long period of using, the gas tankless water heater is able to save much money for you.
- Suitable for mid-size family
The flow rate of the Noritz tankless water heater is 6.6 gallons per minute, which is a relatively high range, it supports one and a half bathroom when used in south, and a single room in north. If you are a large family of 4 or 6 bathroom, you need to get a larger flow rate water heater.
- Easy operation
Built in display window shows the temperature accurately, so you can adjust the suitable one for you.
- Best tankless water heater for one bathroom
- Large heating range
- Built in display window
- 84% thermal efficiency
- 6.6 gallons per minute flow
- Available on propane and gas both
Better get a professional for installation
This is a commercial tankless water heater, large flow rate enables its ability for multiple bathroom use simultaneously.
- 13 gallons large flow rate
This is the largest one among other Noritz tankless water heaters on flow rate 13 gallons per minute. Therefore, it is mainly designed for hotel or other commercial use, capable of satisfying large volumes of water at the same time.
- Natural gas and propane both
Like Noritz NR662-OD-NG type, this tankless water heater is also available on both natural gas and propane. Temperature range is between 100-140 degree F. As an energy efficient heater, this unit saves 84% for propane and 80% for natural gas.
- Copper made exchanger
The heat exchanger is made by commercial grade copper, highly corrosion resistance and long using life. It is also compatible with circulation units.
- Design for hotel use
- Large flow rate for commercial
- Natural gas and propane available both
- Commercial grade copper heater
- Compatible with circulation units
Need to be installed by professional
Noritz Tankless Gas Water Heaters Reviews
Gas tankless water heater is one of the most common type in daily use. When installed indoor, you need to get venting kits before first using for safety. Most of Noritz tankless water heaters are powered by natural gas.
here we will give three best Noritz tankless gas water heater reviews for different using conditions for you:
【Best gas indoor tankless water heater of Noritz】
6.5 gallons of water flow meets the demand of residential water use for middle size and small homes. Quiet working condition gives you better enjoyment on bathing and kitchen washing. It supports 2 bathroom use easily in south area and one and half bathroom in north.
Frozen protection devices inside helps it capable of using in winter or cold high altitude situations. Copper and stainless steel exchangers give you more options in connection, both of them are of highly performance standard.
Low Nox design and 93% energy efficient makes it a brilliant energy saver.
【Top rated best outdoor tankless gas water heater】
As name suggests, this water heater is actually indoor and outdoor available both. So you can have more options on where to install. When installed indoor, the compact shape helps save much space for you, and simple looks of it can also be a good decoration. If you need to install it outdoor, then you are free from installing venting kits as indoor does.
9.8 high flow rate of it makes it a perfect tankless water heater for large homes. It supports 3.5 to 4 bathrooms in south and 2 bathrooms in north. Nine heating options enable you to choose the best one for your needs.
High gas consumption saves more energy and of course your bills. Commercial grade copper walls guarantees its quality level to large extent. Check out the price detail if you have interest.
【Best Commercial Tankless Gas Water Heater】
Different from other two gas tankless hot water heaters we recommended before, this one is a perfect one for commercial and even serves as industrial tankless water heater if connect many of them together.
It is made specially for hotel, the flow rate of which reaches up to 13 gallons per minute, which is really a large flow rate. Though determined as natural gas water heater, it can also be powered by propane.
Temperature range of it is 100-140 degree F, meets the needs of hotel use easily. Commercial grade copper heat exchanger is also installed inside. If you are hotel manager, or you simply want one with endless large flow water heater, this one is the perfect choice.
Noritz Electric Tankless Water Heater
Since 1981, Noritz first hit the market by its innovated electric tankless water heater and then became leading brand in whole tankless water heaters market. However, it is now pay large attention on gas or propane tankless water heaters and more and more gas tankless water heaters are accepted and used by people around the world.
Therefore, here we do not suggest Noritz electric tankless water heaters for you, if you do have interest in such item, or would like to get electric tankless water heaters of other famous brands, you can go to Noritz official website or click here for more information on Amazon.
Noritz Propane Tankless Water Heaters Reviews
Propane tankless water heater, as name suggests, use propane as main power. The same as natural gas tankless water heater, venting kits need to be installed for indoor. Some of the tankless water heater are both natural gas and propane available.
Here we made propane tankless water heater reviews for you:
This tankless water heater are natural gas and propane available both. Thermal efficiency of the unit reaches up to 84%, which is relatively high efficiency hot water heater.
Flow rate of it is 6.6 gallons per minute, able to support one bathroom and one kitchen faucet easily. Endless hot water flow without fluctuation gives you best bathing time. Built in display window makes it easy to operate.
Temperature range of it reaches 100-140 degree F, outdoor installation reduces trouble of installing venting kits.
This tankless water heater is design for hotel and commercial use. Both natural gas and propane are available for the unit. 13 gallons per minute satisfies large demand of water. Commercial grade copper heater is installed.
Temperature range is 100-140 degree F.
Noritz Condensing Tankless Water Heater
Condensing tankless water heater refers to the unit being capable of condensing gas, aim of which is to improve the efficiency and reduce wasted gas during using process. As it is used to condense gas, all the condensing tankless water heaters are natural gas types.
We picked one best Noritz condensing tankless water heater as follow:
Condensing performance of it means nearly all the gas is used and seldom is wasted. Consumption runs between 15000 and 120000 BTU, thermal efficiency reaches up to 93%.
As it is installed indoor, venting kits need to be installed. 6.5 gallons per minute water flow meet the demand of 2 bathroom in the south and 1 and a half bathroom in the north. If you are looking for one condensing tankless hot water heater for middle size family, this NRC661 Noritz tankless water heater will be the best choice. It is also the hot selling one on the market in 2020. So please feel free to check the price and more information on Amazon.
Last Words About Noritz Tankless Water Heater…
To sum up, we selected top 3 best Noritz tankless water heaters for you to choose as follow:
- Noritz NRC661-DV-NG Tankless Hot Water Heater – Best energy efficient one
- Noritz EZTR40-NG Tankless Water Heater – Easiest replacement of tank type
- Noritz NR662-OD-NG Tankless Water Heater – Best one for middle sized home use
Noritz is the first brand on the market to bring best tankless water heater into our lives, and is now still constantly innovating and producing high efficiency water heaters. The brand of course represents high quality and satisfying using feelings. But when you choose suitable tankless water heaters, still there are many other primary factors to be considered, such as price, size, gas pipe etc.
Therefore, make sure to know basic knowledge about the product you intend to buy, if you have any questions or want to know more, please feel free to get in touch with us or directly go for Amazon.