Best Noritz Tankless Water Heater

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When it comes to Noritz tankless water heaters, the brand offers several high-performance models, but some of the best in their lineup stand out for their durability, energy efficiency, and flow rates. Here are the top-rated Noritz tankless water heaters based on performance and features:

1. Noritz NRC66DV (Natural Gas/Propane)

  • Flow Rate: 6.6 GPM
  • Energy Efficiency: 93% (Energy Factor)
  • Why It’s Great: The NRC66DV is a highly efficient, condensing model that’s ideal for small to medium homes. Its direct vent capability allows for flexible installation, and it has low NOx emissions, making it eco-friendly. It’s great for homes with 2-3 bathrooms and performs well in both warmer and colder climates.
  • Best For: Small to medium homes, condos, or apartments with moderate water demands.
  • Key Features:
    • Condensing technology improves energy savings.
    • Eco-friendly with low NOx emissions.
    • Compact and space-saving design.

2. Noritz NR66DV (Non-Condensing, Natural Gas)

  • Flow Rate: 6.6 GPM
  • Energy Efficiency: 82% UEF
  • Why It’s Great: The NR66DV is a non-condensing unit, making it a slightly more affordable option while still providing a reliable flow rate and solid energy efficiency. It’s perfect for homes with moderate water demands, such as 1-2 bathrooms. This model is also known for its simple installation and compact size.
  • Best For: Homes that don’t need ultra-high energy efficiency but still require solid performance.
  • Key Features:
    • Simple design and lower upfront cost.
    • High flow rate for a non-condensing model.
    • Reliable and easy to maintain.

3. Noritz NRC98-DV (Condensing, Natural Gas/Propane)

  • Flow Rate: Up to 9.8 GPM
  • Energy Efficiency: 95%
  • Why It’s Great: The NRC98-DV is a high-capacity condensing model with an impressive flow rate of up to 9.8 GPM, making it ideal for larger homes with multiple bathrooms. Its high energy efficiency helps reduce utility bills, and the unit’s ability to operate in colder climates without reducing hot water flow makes it a solid performer. It also features low NOx emissions and has a space-saving design.
  • Best For: Large homes with 3-4 bathrooms and high hot water demands.
  • Key Features:
    • High flow rate and efficiency.
    • Condensing technology for maximum energy savings.
    • Recirculation capabilities for instant hot water.

4. Noritz EZ Series (EZTR40 & EZ98DV)

  • Flow Rate: 6.6 to 9.8 GPM
  • Energy Efficiency: 94-96% UEF
  • Why It’s Great: The EZ Series models are designed for easy installation, particularly when replacing older tank water heaters. The EZTR40 is perfect for those upgrading from a 40-gallon tank, while the EZ98DV is better suited for homes with higher hot water needs. Both models feature condensing technology, ensuring high efficiency, and they come with pre-installed valves to make the installation process smooth.
  • Best For: Homeowners looking to replace an existing tank heater with minimal disruption.
  • Key Features:
    • Easy installation with pre-installed valves.
    • Great for retrofit applications.
    • High efficiency and eco-friendly.

5. Noritz CB199-DV-NG (Combi Boiler & Water Heater)

  • Flow Rate: Up to 4.5 GPM (for domestic hot water)
  • Output: 199,000 BTU
  • Why It’s Great: The Noritz CB199-DV-NG is a combi unit, meaning it provides both domestic hot water and space heating. This makes it a great choice for homes in colder climates that require both hot water and heating in one efficient unit. It features modulating burners for consistent water temperature and dual heat exchangers for maximum durability and performance.
  • Best For: Homes that need both water heating and space heating.
  • Key Features:
    • Provides both heating and hot water in one unit.
    • Compact design for easy installation in tight spaces.
    • Energy-efficient with modulating burners.

Key Considerations for Choosing a Noritz Tankless Water Heater:

  1. Flow Rate (GPM): Choose a model based on the number of bathrooms and water-using appliances in your home. Homes with 2-3 bathrooms should aim for a 6.6 GPM unit, while larger homes may need 9+ GPM.
  2. Condensing vs. Non-Condensing: Condensing models are more energy-efficient and eco-friendly, but they tend to be more expensive upfront. Non-condensing models are cheaper but less efficient in the long run.
  3. Climate: If you live in a cold climate, consider models like the NRC98-DV, which can handle low inlet water temperatures while maintaining a consistent hot water flow.
  4. Installation: The EZ Series is designed for easy installation, making it a good choice if you are replacing a traditional tank water heater.

Conclusion:

For small to medium homes, the Noritz NRC66DV or EZ Series are great choices due to their efficiency and ease of installation. For larger homes or families with high hot water demand, the Noritz NRC98-DV offers high flow rates and condensing technology to save on energy costs. If you’re looking for a combi unit that can handle space heating and hot water, the Noritz CB199-DV-NG is one of the best options on the market

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