Rinnai Gas Tankless Water Heater Reviews, Installation Cost …

Before you dive into the specific brand review, we highly recommend you to read our elaborateTankless Water Heater Reviewsand Tankless Water Heater Installation Cost Guide in advance. There are several crucial stepsyou need to takebefore you even start to think about the brand.

In addition, weve prepared guides for other gas tankless water heaters useful for comparing brands. They include:

Rinnai was formed in 1920 in Japan. The company began making water heaters in 1964 and opened a US office in 1974. The brands water heaters are made in Japan, but in 2017, Rinnai announced that it will build a manufacturing plant in the US., the first manufacturer of tankless gas water heaters to do so. Rinnai is currently the best-selling tankless water heater brand in North America.

Rinnais residential water heatersare all gas-fired units with enough capacity to provide hot water for an entire household (i.e., whole-house units). Here are the current Rinnai heater models.

Important Note on Max. GPM:This column represents the maximum gallons per minute flow rate the heater can produce. Maximum GPM flow isachievable only when the incoming water is quite warm. The colder the incoming water is, the longer it must be heated to reach the thermostat setting on the tankless water heater, so the lower the GPM flow rate will be. In tankless water heater specifications, youll see information such as Flow rate @ 70F temp rise is 4.3 GPM. Thats from a unit with Max. GPM of 7.5 GPM and means that if the temperature of the incoming water must be raised by 70 degrees Fahrenheit to reach the thermostat setpoint, then only 4.3 gallons per minute of hot water can be expected. For more information on this important topic, seethe related sectionin our Tankless Water Heater Buying Guide.

Additional notes:

There are several Rinnai water heater features not covered in the table that will help you decide which unit best suits your requirements.

The consumer ratings for Rinnai are among the very best. The brand is considered reliable, though about 15% of Rinnai units have a serious mechanical issue in the first decade.

Rinnai makes both condensing and non-condensing models, in contrast to Navien that makes only condensing tankless water heaters. The SE+ RUR is one of a few tankless models with a built-in recirculating pump. More Rinnai models come ready for WiFi than the number of models from any other brand.

How much does a Rinnai water heater cost?

Here are prices for the unit only. Installation costs follow.

Rinnai Models

Max GPM

Unit Cost Only

$2,000-$2,165

$1,350-$1,585

$1,350-$1,585

$975-$1,165

$975-$1,165

$1,175-1450

When shopping for Rinnai products online, youll find that some sellers dont list the series. For example, instead of Rinnai SE+ RUR, the listing will be Rinnai RUR.

Your tankless water heater installation cost will depend on several factors including:

Depending on the factors that apply, expect Rinnai tankless water heater installation cost estimates to be between $600 and $1,450 plus accessories. If youd like to receive no-cost, no-obligation estimates from top installers in your area, use our Free Local Quote tool. The installers are licensed and insured, and they know theyre competing for your work.

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Rinnai Gas Tankless Water Heater Reviews, Installation Cost ...