Best Tankless Water Heater - 2500 Units Installed

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Navien and Noritz are both well-regarded brands in the tankless water heater market, each with its own set of strengths. Here's a detailed comparison to help you determine which brand might be better for your needs:
Navien
Pros:
Energy Efficiency: Navien models are known for their high energy efficiency, with many units boasting ENERGY STAR® ratings. This can lead to significant savings on energy bills.
Condensing Technology: Navien specializes in condensing tankless water heaters, which are more efficient than non-condensing models as they use the exhaust gases to preheat incoming water.
High Flow Rates: Navien units generally offer high flow rates, making them suitable for larger households with higher hot water demands.
Integrated Recirculation Pump: Some Navien models come with built-in recirculation pumps, which can provide instant hot water and reduce water waste.
Cons:
Price: Navien units can be on the pricier side compared to other brands.
Complexity: The advanced features and technology may require professional installation and maintenance.
Noritz
Pros:
Reliability: Noritz has a reputation for producing reliable and durable tankless water heaters. They are known for their quality construction and long lifespan.
Wide Range of Models: Noritz offers a variety of models, including non-condensing and condensing units, to suit different needs and budgets.
Efficiency: Many Noritz models are also ENERGY STAR® rated, ensuring good energy efficiency.
Warranty: Noritz often provides generous warranties on their products, giving consumers peace of mind.
Cons:
Price: Like Navien, Noritz units can also be expensive, especially the higher-end models.
Installation Requirements: Some models may require specific venting materials and professional installation to ensure optimal performance and safety.
Conclusion
Choose Navien if: You prioritize high energy efficiency, advanced features like integrated recirculation pumps, and high flow rates. Navien is particularly good for larger households with significant hot water needs.
Choose Noritz if: You value reliability, a wide range of models to choose from, and a strong warranty. Noritz is a solid choice for those looking for a durable and dependable tankless water heater.
Ultimately, both Navien and Noritz are excellent brands, and the best choice depends on your specific requirements, budget, and preferences. Consulting with a professional plumber can also help you make an informed decision based on your home’s hot water demands and existing infrastructure.