Rinnai RX199iN Condensing Smart Sense Tankless Water Heater

Key Features

1. Versatile Installation: This tankless water heater can be installed indoors or outdoors and operates on either natural gas or propane with a Smart Sense gas control system.
2. Compact High-Performance Design: Despite its small suitcase-sized footprint, it delivers up to 11.1 GPM, supporting up to 7 fixtures simultaneously.
3. Energy Efficient Operation: Features a superior UEF of .98 with an intuitive interface, Quick Flush technology, and optional WiFi control via the Controlr module.
4. Comprehensive Warranty: Includes a 15-year limited warranty on the heat exchanger and 5-year coverage on parts and labor (when registered within 90 days).

Pros

• Exceptional space-saving design makes it ideal for homes with limited installation space
• Outstanding energy efficiency rating reduces utility bills significantly over time
• Flexible fuel and installation options provide excellent adaptability for different home setups
• Professional support and comprehensive warranty offer peace of mind and long-term value
• Smart features like Quick Flush simplify maintenance and upkeep

Cons

• Professional installation is strongly recommended, adding initial setup costs
• WiFi control requires a separate Controlr module purchase, not included in the base package

Detailed Reviews

The Rinnai RX199iN is an impressive tankless water heater that delivers reliability and performance in a remarkably compact package. Its ability to function both indoors and outdoors with either natural gas or propane makes it one of the most flexible options on the market, accommodating diverse home configurations and fuel preferences. With a flow rate of 11.1 GPM supporting up to seven fixtures, this unit ensures you'll rarely experience the frustration of running out of hot water, even during peak usage times.

The energy efficiency is particularly noteworthy, boasting a UEF of .98 that translates to lower monthly utility bills and reduced environmental impact. The user-friendly interface and Quick Flush feature make maintenance straightforward, while the optional WiFi connectivity through the Controlr module adds modern convenience for remote monitoring and control. This water heater is best suited for homeowners seeking a dependable, space-efficient solution that doesn't compromise on performance or energy savings.

Verdict: The Rinnai RX199iN earns its 8.4/10 rating as a top-tier tankless water heater that successfully balances versatility, efficiency, and performance. It's an excellent investment for those willing to invest in professional installation and who value long-term reliability backed by a strong warranty.