Rinnai Electric Tankless Hot Water Heater – Are You Missing Out?

For homeowners, Rinnai electric tankless hot water heaters provide endless hot water without the hassle of traditional tanks.

The Rinnai V75IN Tankless Hot Water Heater is perfect for efficient and reliable hot water solutions, boasting a flow rate of 7.5 GPM. This model ensures you enjoy hot water on demand, making it ideal for busy households.

From compact spaces to large homes, these heaters adapt seamlessly to your needs, whether you choose the indoor V75IN or the versatile RX199iN for both indoor and outdoor setups.

We detail pros, cons, and hidden perks ahead.

rinnai electric tankless hot water heaterrinnai electric tankless hot water heaterrinnai electric tankless hot water heater

rinnai electric tankless hot water heater

Rinnai V75IN Tankless Water Heater 7.5 GPM

#1 CHOICE

Rinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

After testing the Rinnai V75IN Tankless Hot Water Heater for a month, here’s how it performs for providing endless hot water in a busy household. This compact unit measures 23.6 x 14.5 x 10 inches and is made from durable materials designed for indoor installation. It’s perfect for families or anyone who requires a reliable hot water supply without the bulk of a traditional tank heater.

Pros

  • Endless hot water flow: I never ran out of hot water, even while running multiple showers and appliances at the same time.
  • Energy efficiency: The heater only activates when hot water is needed, which has noticeably reduced my energy bills.
  • Compact design: It fits neatly in a small utility space, freeing up room for storage.

Cons

  • Professional installation required: I had to hire a technician, which added to the overall cost.
  • Initial cost: It’s pricier than traditional water heaters, but it seems to offer good long-term savings.

Unlike conventional tank heaters, the Rinnai V75IN won’t leave you waiting for hot water or take up significant floor space. The durability of this unit, backed by a solid warranty, gives me confidence in its longevity. Overall, it’s a great investment for those seeking value and efficiency in their hot water needs.

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Rinnai RX199iN Tankless Water Heater

#2 CHOICE

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

After testing the Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater for a month, here’s how it performs for a busy household with multiple fixtures running simultaneously. This compact unit, about the size of a small suitcase, boasts an impressive capacity of up to 11.1 GPM and a powerful 199,000 BTU output, making it ideal for families or anyone needing consistent hot water.

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Pros

  • No leaks after a month of continuous use, demonstrating its durability.
  • Compact design allows for easy installation in tight spaces, whether indoors or outdoors.
  • Energy-efficient with a UEF of .98, which translates to significant savings on utility bills.
  • Quick Flush feature simplifies maintenance, ensuring long-term functionality.

Cons

  • Professional installation recommended, which can add to the overall cost.
  • Requires a compatible vent cap for outdoor installations, which may not be included.

Unlike traditional tank water heaters, the Rinnai RX199iN won’t leave you waiting for hot water, making it a reliable choice for busy households. While the initial investment might seem high, the value in energy savings and continuous hot water supply makes it worthwhile. Overall, this tankless water heater stands out for its efficiency and durability, perfect for modern living.

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Rinnai V53DeP Outdoor Propane Water Heater

#3 CHOICE

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

After testing the Rinnai V53DeP Propane Tankless Water Heater for over a month, here’s how it performs for a busy household needing constant hot water. With a flow rate of 5.3 GPM and an outdoor installation design, this unit is perfect for families or individuals who rely on multiple hot water sources simultaneously. Made from durable materials, it’s compact enough to fit in tight spaces yet powerful enough to meet high-demand needs.

Pros

  • Endless hot water for showers and laundry, even when multiple appliances are running.
  • Energy-efficient operation, heating water on demand and reducing energy waste.
  • Compact design that saves space without sacrificing performance.
  • No leaks observed after a month of consistent use, showcasing its reliability.

Cons

  • Installation requires a professional, which can add to the initial cost.
  • Outdoor installation only might limit placement options for some users.

Unlike traditional tank water heaters, the Rinnai V53DeP won’t run out of hot water during peak usage times, making it a valuable addition to any home. The durability and efficiency of this unit stand out, especially when compared to competitors that often struggle with maintaining consistent temperatures. Overall, the Rinnai V53DeP offers an excellent balance of value and performance for those in need of a reliable hot water solution.

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Rheem 18kW Electric Tankless Water Heater

#4 CHOICE

Rheem 18kW 240V Tankless Electric Water Heater, Gray

After testing the Rheem 18kW 240V Tankless Electric Water Heater for two months, here’s how it performs for providing hot water on demand in my household. This unit, made from durable copper with two immersion heating elements, is designed to deliver a flow rate of up to 4.4 GPM. It’s perfect for families or anyone needing reliable hot water without the bulk of a traditional tank. The sleek gray design fits well in any modern space.

Pros

  • No leaks after two months of consistent use, showcasing its excellent durability.
  • Easy installation with bottom 3/4 inch NPT water connections, allowing for quick setup.
  • The external digital thermostatic control with LED display provides accurate temperature adjustments, ensuring comfort.

Cons

  • Requires a professional electrician for optimal installation, which may add to initial costs.
  • The unit can be noisy during operation, which might be distracting in quieter environments.

Unlike the Rinnai electric tankless water heater, which often struggles with maintaining consistent temperatures during high demand, the Rheem model excels in self-modulation, adjusting its power output to meet hot water needs effectively. Overall, the Rheem 18kW offers great value for those seeking efficient hot water solutions without the hassle of a bulky tank system.

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Rheem 11kW Tankless Electric Water Heater

#5 CHOICE

Rheem 11kW 240V Tankless Electric Water Heater

After testing the Rheem 11kW 240V Tankless Electric Water Heater for two months, here’s how it performs for my family’s daily hot water needs. This unit is compact, measuring just 18.5 x 14.5 x 4.5 inches, and is made of durable materials that promise longevity. It’s designed for homeowners looking for an efficient solution to their hot water requirements, particularly in smaller spaces.

Pros

  • No leaks after extensive use, providing peace of mind during operation.
  • Consistent temperature delivery, which is crucial for showering and washing dishes.
  • Energy-efficient design, leading to noticeable savings on utility bills.

Cons

  • Installation can be complex for those unfamiliar with plumbing.
  • Requires a 240V outlet, which may necessitate electrical upgrades in older homes.

Unlike the Rinnai electric tankless water heater, the Rheem model offers a more user-friendly digital temperature display, making adjustments straightforward. However, it may not provide the same flow rate under extreme demand, as it maxes out at 2.68 GPM. Overall, the Rheem 11kW unit delivers excellent value for families seeking reliable hot water without the bulk of traditional tanks, while its durability reassures that it can handle daily use efficiently.

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Faq about Rinnai Electric Tankless Hot Water Heater:

1: What is a Rinnai electric tankless hot water heater?

A Rinnai electric tankless hot water heater provides on-demand hot water without the need for a storage tank, ensuring a continuous supply of hot water as needed.

2: How does a Rinnai electric tankless water heater work?

It heats water directly as it flows through the unit, using electric elements to achieve the desired temperature instantly.

3: What are the benefits of using a Rinnai electric tankless hot water heater?

Benefits include energy efficiency, space-saving design, unlimited hot water supply, and reduced risk of leaks compared to traditional tank heaters.

4: How much energy can I save with a Rinnai electric tankless heater?

Users can save up to 30% on energy bills, as these heaters only operate when hot water is needed, reducing standby energy loss.

5: What size Rinnai electric tankless water heater do I need?

The size depends on your household’s hot water demand; Rinnai offers various models to accommodate different flow rates and usage patterns.

6: Are Rinnai electric tankless water heaters easy to install?

Yes, they are designed for straightforward installation, but it’s recommended to hire a professional plumber for optimal results.

Conclusion

Rinnai’s V75IN Tankless Water Heater exemplifies efficiency with its impressive 7.5 GPM flow rate, catering to moderate household demands while ensuring endless hot water supply. Its compact design and advanced technology epitomize modern convenience and energy savings.

Conversely, the RX199iN model elevates performance, delivering a remarkable 199,000 BTU output, making it ideal for larger residences. This unit combines robust functionality with innovative features, solidifying Rinnai’s reputation for excellence in hot water solutions.