Best Rinnai Tankless Water Heaters Reviews 2020 Top Picks & Guide

Tankless water heater is undoubtedly the most demanding domestic device for the services it offers. You need hot water for many purposes including washing, bathing, cleaning, and what not? As they save half of your bills, there are many brands available in the market but you must go for a reliable option.

           Rinnai Water Heaters – Are They Worth The Hype?

We have researched and collected for you the best rated Rinnai Water heaters. For this brand, we have chosen our favorite and top-notch models with their specifications.

 Why Rinnai?

Every product has a specialty of its own and who likes to sit and wait for the water to get hot before using it? We know no one does. For this purpose, Tankless Water Heaters were developed as they have many good features for the people for their ease. With tankless water heaters, you can jump into shower any moment without getting worried about anything at all. Rinnai is one of the most trusted names in the market when you go to buy a tankless water heater.

Rinnai is a Japanese based company and has to serve since the 1960s to its customers. It is considered as one of the most trusted brands in the market of tankless water heaters.

An overview of features

Let us have a quick overview of important features that need to be considered before buying.

Continuous Water Flow:

When you wake up in the morning, the first thing you want to do is to take a shower to make you feel relax after a good sleep and fresh for the whole day. When you open the shower and it starts giving you a good flow of hot water, it absolutely relaxes your mind.

A normal tank water heater occupies much larger space plus you have to wait for it before opening your shower. Tankless water heater will give you instant water supply when you turn the tap on. They produce a flow rate of maximum 5 to 6 gallons per minute thus comforting you while having a shower and other chores.

Big households:

The first thing you need to do is to consider your needs. Being a part of a large family, a medium tankless heater might not be able to meet your needs. It would not supply water to multiple taps at the same time the way, the larger one will do.

Gas or Electric?

Well, it depends on your choice. Electric water heaters have qualities of their own and are easy to install as compared to the gas heater. Gas tankless water heaters require larger gas lines than usual which makes the installation quite expensive.

Top 3 Products of Rinnai Tankless Water Heaters

1. Rinnai RUR98IN 9.8 Max GPM:
             Specifications, Pros, and Cons

Rinnai RUC98IN tankless gas water heater


  • 8 GPM
  • Weighs: 73 Pounds
  • Dimension: 12.5 x 10 x 26 inches
  • 120 Volts
  • Silver in Color
  • Material: Stainless Steel
  • Indoor
  • Condensing technology
  • Fuel type: Natural Gas
  • 12 Years Residential Warranty
  • Boil and Freeze protection
    • Massive flow of water
    • Warranty
    • Does not occupy space
    • Not noisy
    • Well-formed
    • Too expensive
    • For Big Households
    • Needs Profesional Installation

2. Rinnai RL75IN Tankless Water Heater (Top Pick)
Specifications, Pros, and Cons


Rinnai RL75in
                                Rinnai RL75in
  • 5 GPM
  • Weight: 50 Pounds
  • Dimension: 14 x 9.3 x 23 inches
  • Size: Large
  • Fuel Type: Natural Gas
  • Installed Indoor
  • Anti-frost Protect
  • 12 years manufacture warranty


    • Reliable
    • Protective
    • Continuous Water
    • Can Fit Anywhere
    • Warrentied
    • Expensive
    • You might need to adjust temperature again

3. Rinnai RLX 98iN 9.8 GPM Tankless Water Heater
Specifications, Pros, and Cons


Rinnai RL75in
                                 Rinnai 98iN
  • 8 GPM
  • Endless Water
  • Weight: 50.6 Pounds
  • Dimension: 9.2 x 14 x 26.9 inches
  • Installation Indoor
  • 12 years warranty
  • Fuel Type: Natural Gas
  • Comes with Valve kit
  • Protective
  • Reliable


    • Massive Water Flow
    • Indoor use only
    • Provides Kit
    • Warrantied
    • Not too large
    • Some customers complains that it takes a while before starting to warm up
    • Requires Professional Installation


Our top pick of the day is Rinnai RUR98iN as it provides massive flow of water and contain features that are irresistible. If you are a person with need of plenty of hot water to be used in a day, this product is designed for you.

Since Tankless water heaters are a basic requirement of every household, we have picked Rinnai and the top three products of this brand and have discussed them for your ease. Tankless water heaters are slim and sleek with compact design and easy to use features. They are also called Demand-Type water heaters as they meet the requirements of the one who buys it.


1 thought on “Best Rinnai Tankless Water Heaters Reviews 2020 Top Picks & Guide”

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