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Best Rinnai Tankless Water Heaters 2020

January 15, 2020 Kelly Roberts Leave a Comment

Rinnai tankless water heaters are known for being among the top performing units on the rough plumbing market. To help you make a wise buying decision for heating your home, we have created a list with the best Rinnai tankless water heater reviews. We’ll be going over several high-selling models, breaking down benefits like efficiency, reliability, and ease of use. Find the best Rinnai tankless water heater for you below.

4. Rinnai RL94iP

best rinnai tankless water heater RL94IP

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  • Type: Propane
  • Installation Type: Indoor
  • Item dimensions: 9.3″ x 14″ x 23″
  • Item Weight: 46.3lbs
  • Energy Factor: 0.82
  • Max gallons heated/minute: 9.4 GPM
  • Wi-Fi: Yes
  • Warranty: Residential Heat Exchanger: 144 months | Residential Labor: 12 months | Residential Parts: 60 months
Pros
User-friendly temperature control
Generally no drops in water pressure
Holds hot water well in cold weather
Easy to install for handy people
Cons
Slight water flow delay
May demand clean power due to sensitive circuitry
Requires professional repair from a certified technician

Bottom Line

The Rinnai RL94iP can offer high efficiency all while pushing out constant water during simultaneous use. As a fine Rinnai propane water heater, the process can still occur at the temperature you pre-set. You can comfortably run two hot showers and do laundry at once, so it is suitable for a single-family home. Additionally, the Rinnai propane tankless water heater runs fine in smaller commercial settings as well.

With features like a thermal efficiency of 83%, it’s clear that the RL94iP is a top unit in its class. Although it’s one of the most expensive models from the brand, it’s arguably the best Rinnai tankless water heater that utilizes propane for better energy output. However, multi-family homes may be better off with an alternative model that can heat up at a faster flow rate.

3. Rinnai V65EN
best rinnai tankless water heater V65EN

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  • Gas Type: Natural Gas
  • Installation Type: Outdoor
  • Item Dimensions: 13.8″ x 6.8″ x 20.9″
  • Item Weight: 58.6lbs
  • Energy Factor: 0.82
  • Max Gallons Heated/Minute: 6.6 GPM
  • Wi-Fi: Yes
  • Warranty: Residential Heat Exchanger: 120 months | Residential Labor: 12 months | Residential Parts: 60 months
Pros
Quality whole-house unit
Great energy efficiency rating
Reduces mineral corrosion
Outstanding value for the money
Cons
Flow rate can slow down in cold climates
Not ideal for larger homes with high hot water usage
Must be mounted outdoors

Bottom Line

Do you live in a smaller house or a manufactured (mobile) home? We believe the V65EN could be the best Rinnai tankless water heater for you. Compared to other similar units, the V65EN is compact and has a good lightweight feel to it. Therefore, it won’t take up much space, nor will it be too troublesome to install.

Moreover, the Rinnai outdoor tankless water heater is easy to use and maintain. It’s remarkably affordable for a Rinnai water heater, which is fantastic news for budget shoppers. Alternatively, ts brother, the V65EP, is one of the best propane tankless water heaters you can look into.

2. Rinnai RUC98iN Ultra

best rinnai tankless water heater Ruc98IN

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  • Fuel Type: Natural Gas
  • Installation Type: Indoor
  • Item Dimensions: 10″ x 18.5″ x 26″
  • Item Weight: 82lbs
  • Energy Factor: 0.96 (up to 0.92 uniform energy factor)
  • Max Gallons Heated/Minute: 9.8 GPM
  • Wi-Fi: Yes
  • Warranty: Residential Heat Exchanger: 144 months | Residential Labor: 12 months | Residential Parts: 60 months
Pros
Convenient low-noise functionality
Large energy efficiency rating
Eco-friendly option (low carbon dioxide emissions)
Constant water temperature
Cons
Slight temperature drops and rises when appliances turn on or off
May only heat faster in warmer weather
Might have false starts when first installing

Bottom Line

We’ve previously praised the RUC98iN as one of the best natural gas water heaters you can buy. It offers quality water flow to multiple units at the same time. Part of Rinnai’s Ultra series, the RUC98iN can work incredibly well in a standard single-family home with a handful of occupants.

Although it’s rather time-consuming to install, it’s not impossible to DIY and avoid large pro fees. Despite its higher price range, it is the best Rinnai tankless water heater for those of you willing to pay more for a powerful, reliable, eco-friendly unit. Still, if you want to browse alternatives, you can also look at our Takagi T KJr2 IN NG review.

1. Rinnai V65IN

best rinnai tankless water heater V65IN

Check Price
  • Gas Type: Natural Gas
  • Installation Type: Indoor
  • Item Dimensions: 13.9″ x 8.8″ x 23.6″
  • Item Weight: 49.8lbs
  • Energy Factor: 0.82
  • Max Gallons Heated/Minute: 6.6 GPM
  • Wi-Fi: Yes
  • Warranty: Residential Heat Exchanger: 120 months | Residential Labor: 12 months | Residential Parts: 60 months
Pros
Small footprint
Automatic water leak detection and shut-off
Constant simultaneous water supply
Best Rinnai gas water heater for the money
Cons
Can require some yearly maintenance
Water softener may be necessary for those with hard water
Control doesn’t allow for adjusting individual faucet temperatures

Bottom Line

Last but not least, the V65IN is one of the best Rinnai tankless water heater units in terms of value. For the reasonable price you pay, you enjoy features like low emissions and a cost-saving energy rating. For the compact design and mid-range output, the V65IN Rinnai tankless gas water heater is perfect for a single-family home.

However, If you have cold well water or high heat usage, you may want to look at another model that is larger and somewhat faster. When all’s said and done, it still is the best Rinnai tankless water heater for those who seek affordability without quality loss.

Wrap Up

All in all, Rinnai water heaters are famous in their own right. No matter which unit you go with, it appears that you will receive quality performance, good energy ratings, and generally eco-friendly models. We’re sure you won’t have any issues finding the best Rinnai tankless water heater for your family’s needs. If you’ve used one of the Rinnai tankless heater units we reviewed, feel free to share your experience in the comment section.

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