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Enhance Efficiency and Reliability: Rinnai Demand Duo with LEGACY

Enhance Efficiency and Reliability: Rinnai Demand Duo with LEGACY


In the realm of commercial water heating solutions, efficiency, reliability, and expertise stand as paramount pillars. As businesses seek to optimize their operations, particularly in sectors where uninterrupted hot water supply is essential, the Rinnai Demand Duo emerges as a beacon of innovation. Paired with the trusted partnership of LEGACY, this dynamic duo promises to elevate your business’s performance while ensuring seamless operations. Here’s why Rinnai Demand Duo, coupled with LEGACY expertise, stands out as the ideal choice for your commercial water heating needs.

Efficiency is the cornerstone of the Rinnai Demand Duo system. Designed to deliver hot water on demand, this advanced unit minimizes energy waste by only heating water when needed. With its dual heat exchanger system, it ensures rapid heating while optimizing energy consumption, thereby translating into significant cost savings for your business. By eliminating standby energy losses associated with traditional water heaters, the Rinnai Demand Duo not only reduces utility bills but also minimizes environmental impact, aligning with sustainability goals.

Moreover, the Rinnai Demand Duo offers unparalleled reliability. Engineered with high-quality components and backed by Rinnai’s legacy of excellence, this system guarantees consistent performance even under heavy usage conditions. Its robust construction and advanced controls ensure precise temperature regulation, safeguarding against fluctuations that could disrupt operations. With a focus on durability and longevity, the Rinnai Demand Duo becomes a reliable asset for businesses striving for uninterrupted productivity.

Partnering with LEGACY further enhances the benefits of the Rinnai Demand Duo. As a preferred ACE Dealer for Rinnai, LEGACY brings unparalleled expertise and support to the table. Our team of certified technicians possesses in-depth knowledge of Rinnai products, enabling seamless installation, maintenance, and repairs. By entrusting your water heating needs to LEGACY, you gain access to prompt and reliable service, ensuring minimal downtime and maximum operational efficiency.

At LEGACY, we understand that every business is unique, with distinct requirements and challenges. That’s why our experts work closely with you to tailor solutions that align with your specific needs and budget. Whether you operate a small enterprise or a large-scale commercial facility, we have the expertise to optimize your water heating system for peak performance. With LEGACY as your trusted partner, you can rest assured that your Rinnai Demand Duo will always operate at its best, allowing you to focus on what matters most – running your business smoothly.

In conclusion, the Rinnai Demand Duo, in conjunction with LEGACY, offers a winning combination of efficiency, reliability, and expertise. By investing in this innovative solution and partnering with LEGACY, businesses can elevate their operations, reduce costs, and enhance customer satisfaction. Life flows better with LEGACY – your trusted plumbing and HVAC partner for all your Rinnai Demand Duo commercial water heater needs.

Rinnai Demand Duo Fact Sheet

  • 97% Thermal Efficiency


  • 6-year Warranty on the tank
  • Parts: 5 years limited warranty


  • 2x the lifespan of most tank type water heaters
  • Never run out of hot water
  • Gas type: Natural Gas
  • Wi-Fi Capable

Key Features:

  1. Dual Heat Exchangers: Two independent heat exchangers ensure rapid heating and efficient energy utilization.
  2. On-Demand Hot Water: Provides hot water only when needed, eliminating standby energy losses.
  3. Space-Saving Design: Compact footprint makes it suitable for installations where space is limited.
  4. Advanced Controls: Intuitive interface allows for easy temperature adjustment and system monitoring.
  5. High-Efficiency Condensing Technology: Maximizes energy savings and reduces environmental impact.
  6. Commercial-Grade Construction: Built to withstand heavy usage and ensure long-term reliability.
  7. Modular Design: Allows for easy maintenance and serviceability.
  8. Compatible with Rinnai Commercial Controller: Enables remote monitoring and control for enhanced convenience and efficiency.


  • Restaurants
  • Hotels
  • Schools
  • Gyms
  • Office Buildings
  • Multi-Family Housing
  • Healthcare Facilities
  • Industrial Facilities