f you’re looking for the best non-condensing tankless water heater, here are a few top options that are reliable, efficient, and highly rated:
1. Rinnai V75iN (Natural Gas)
- Flow Rate: 7.5 GPM
- Energy Efficiency: 82% UEF
- Best For: Small to medium homes
- Key Features: This model is a favorite for households that need consistent hot water without the added complexity and cost of a condensing unit. It’s compact, has Wi-Fi capabilities (with an add-on), and is designed for indoor installation.
- Why It Stands Out: The V75iN offers a balance of performance and affordability, providing ample hot water for 2-3 bathrooms at the same time. It’s also low NOx compliant, which means it has reduced emissions, making it eco-friendly for a non-condensing unit.
2. Noritz NR66DVC (Natural Gas/Propane)
- Flow Rate: 6.6 GPM
- Energy Efficiency: 83% UEF
- Best For: Medium homes in mild climates
- Key Features: The Noritz NR66DVC is a powerful yet simple non-condensing unit. It’s ideal for homes in warmer climates and provides consistent hot water for moderate use.
- Why It Stands Out: It features direct venting for easy installation and overheat protection, ensuring a long lifespan. It’s perfect if you want a budget-friendly and reliable option for natural gas or propane.
3. Takagi T-KJr2-IN-NG (Natural Gas)
- Flow Rate: 6.6 GPM
- Energy Efficiency: 82% UEF
- Best For: Smaller homes and apartments
- Key Features: This compact unit is perfect for small spaces and is one of the most affordable non-condensing models. It features simple controls, freeze protection, and an automatic shut-off for overheating.
- Why It Stands Out: Takagi is known for reliability, and the T-KJr2 is no exception. It’s an excellent choice for people looking to upgrade from a tank model while staying within budget.
4. Rheem RTG-84XLN-1 (Outdoor, Natural Gas)
- Flow Rate: 8.4 GPM
- Energy Efficiency: 82% UEF
- Best For: Larger households with outdoor installation
- Key Features: The Rheem RTG-84XLN is a highly-rated non-condensing outdoor unit, eliminating the need for complex venting. It provides enough flow for larger homes, especially in warmer climates.
- Why It Stands Out: This unit is designed for outdoor installation, reducing installation complexity and costs. Rheem also offers great support and warranty services, making it a reliable investment.
What to Consider:
- Non-condensing tankless water heaters vent hotter air, meaning they require stainless steel venting, which can increase installation costs.
- They are cheaper upfront than condensing models but have slightly lower energy efficiency.
Why Non-Condensing Might Be for You:
Non-condensing tankless heaters are simpler in design and cost-effective for homes that don’t need ultra-high energy efficiency. They’re perfect for warmer climates or homes with lower hot water demands.
These models offer solid performance without the complexity and higher price tag of condensing systems.