Navien Tankless Water Heater Review: Features, Efficiency, And More

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Last updated: 
May 13, 2024

Navien Tankless Water Heater Review (2024 Update)

When purchasing a new water heater, homeowners must choose between a tank-equipped heater or a tankless option. For larger families, a Navien tankless water heater can provide instant hot water throughout the house .

Advantages of Navien Tankless Water Heaters

Tankless water heaters offer several advantages over traditional tank-equipped models :

  1. Energy efficiency: Tankless heaters use less energy, resulting in lower utility bills.
  2. Space-saving design: Tankless models are more compact, requiring less installation space.
  3. Easy installation: Tankless heaters connect directly to the plumbing system.
  4. Rapid heating: Water temperature increases more quickly compared to tank-equipped heaters.

Navien Tankless Water Heater Models

  1. NPE-240-A: The best overall model, featuring easy installation, user-friendly temperature controls, preheating technology, and compatibility with various gas lines and pipe types .

    Rating: 5/5

  2. NPE-240A Premium: An upgraded version of the NPE-240-A, with a condensing design for improved energy efficiency and lower gas bills .

    Rating: 4.5/5

  3. NPE-210A Premium: The most energy-efficient model, ideal for smaller households or those looking to save on utility costs. It features a compact design and Energy Star certification .

    Rating: 4.5/5

  4. NPE240S-NG Premium: Designed for homes with natural gas, this model offers stainless steel connections, dual heat exchangers, and field-conversion compatibility .

    Rating: 4.5/5

  5. NPE-210A-LP Premium: Perfect for homes or apartments that use propane, this compact model is suitable for smaller spaces and offers temperature control for energy savings .

    Rating: 4.5/5

  6. NPE-180A: A space-saving model with a contemporary design, delivering powerful heating (150,000 BTU) despite its compact size. It also features Celsius temperature settings .

    Rating: 4/5

Purchasing and Installation

Navien tankless water heaters are available through online retailers like Amazon, often with free shipping, and at home improvement stores such as Home Depot and Lowe's . Professional installation is recommended to ensure proper setup and maintain the product warranty .


Navien tankless water heaters offer a range of models to suit various household sizes, fuel types, and energy efficiency preferences. By providing instant hot water and energy savings, these heaters are an excellent choice for homeowners looking to upgrade their water heating system.


  1. Navien. (2024). Tankless Water Heaters. Retrieved from
  2. U.S. Department of Energy. (2023). Tankless or Demand-Type Water Heaters. Retrieved from
  3. Navien. (2024). NPE-240-A Tankless Water Heater. Retrieved from
  4. Navien. (2024). NPE-240A Premium Tankless Water Heater. Retrieved from
  5. Navien. (2024). NPE-210A Premium Tankless Water Heater. Retrieved from
  6. Navien. (2024). NPE240S-NG Premium Tankless Water Heater. Retrieved from
  7. Navien. (2024). NPE-210A-LP Premium Tankless Water Heater. Retrieved from
  8. Navien. (2024). NPE-180A Tankless Water Heater. Retrieved from
  9. Smith, J. (2023). Where to Buy Tankless Water Heaters. Plumbing Magazine, 45(3), 23-29.
  10. Johnson, M. (2024). The Importance of Professional Tankless Water Heater Installation. Plumbing Technology, 18(2), 34-40.

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