RatingPlate Find your size
Browse the site

Type guides, state costs, model specs, and brand pages.

Heater Types

Heat Pump Water HeatersHigh-efficiency electric replacements and hybrid tanks.Condensing Tankless Water HeatersCondensing whole-home flow with venting constraints.Gas Tank Water HeatersStraight swaps when gas storage is still the fit.

Plan Your Swap

Sizing guideCapacity, first-hour rating, and temperature-rise fit.Accessories hubInstall extras, code-adjacent parts, and paid-link accessory picks.Upgrade from NHP50Replacement candidates and projected operating-cost delta.Upgrade from NHP65Replacement candidates and projected operating-cost delta.Upgrade from NHP80Replacement candidates and projected operating-cost delta.Upgrade from NPE 210S2Replacement candidates and projected operating-cost delta.Upgrade from PROE50 T2 RH95Replacement candidates and projected operating-cost delta.HPTA 50 2 vs HPTA 80 2Side-by-side specs, efficiency, and fit differences.HPTS 50 2 vs NHP50Side-by-side specs, efficiency, and fit differences.NHP120 vs PROPH80 T2 RH400 30Side-by-side specs, efficiency, and fit differences.NPE 210S2 vs NPE 240S2Side-by-side specs, efficiency, and fit differences.

Guides & Data

California heat pump guideLocal rates, rebates, and operating costs.Colorado heat pump guideLocal rates, rebates, and operating costs.Massachusetts heat pump guideLocal rates, rebates, and operating costs.Oregon heat pump guideLocal rates, rebates, and operating costs.Washington heat pump guideLocal rates, rebates, and operating costs.DOE 2029 standardsWhat changes in 2029 and which product classes move first.

Brands

A.O. Smith Water HeatersPublished models, product lines, and brand coverage.Bradford White Water HeatersPublished models, product lines, and brand coverage.Navien Water HeatersPublished models, product lines, and brand coverage.Noritz Water HeatersPublished models, product lines, and brand coverage.Rheem Water HeatersPublished models, product lines, and brand coverage.Rinnai Water HeatersPublished models, product lines, and brand coverage.Takagi Water HeatersPublished models, product lines, and brand coverage.
Home / Rinnai
Brand

Rinnai

The premium tankless water heater brand in North America.
Rinnai, founded 1920, headquartered in Peachtree City, Georgia. 3 models across 1 product types: 3 heat pump. All heat pump models

Why buyers end up in Rinnai

  • Specialist: focused entirely on heat pump technology
  • Top-tier efficiency: best model reaches UEF 4.00
  • Smart-home ready: 3 models with Wi-Fi control
  • Strong warranty: up to 10-year tank coverage
  • Has partial U.S. manufacturing

Where this brand is weaker

  • No condensing tankless or gas tank models in our database

Market position

Premium tankless water heater brand with wide brand recognition. Known for reliability and long product life.

Known for: The premium tankless water heater brand in North America. 40+ years in US market. Strong contractor loyalty and brand recognition. Rinnai America celebrated 50th anniversary in 2024.

Efficiency range

UEF 3.75 to 4.00

Across 3 models with published UEF ratings.

Below are all verified Rinnai models with published specs.

Models

Heat Pump Models

ModelBrandUEFFHRHeightEst. Cost/yr
REHP80BMRinnai4.0091 gal74.2"~$211
REHP65BMRinnai3.9080 gal65.5"~$214
REHP50BMRinnai3.7573 gal66.4"~$146

● Best in group

Beyond specs, here's the ownership experience with Rinnai.

Manufacturing

Partial U.S. manufacturing

partial (RE Series manufactured in Georgia; other models imported from Japan)

  • Griffin, Georgia (RE Series tankless water heaters, opened 2021)

Where to buy

Channels: Wholesale, Contractor

Sold through professional installer network and wholesale distributors. Rinnai PRO program for contractors. Consumer financing programs available.

Technology

  • Smart-Circ recirculation technology
  • Rinnai Central mobile app
  • ThermaCirc360 recirculation
  • modulating gas valve technology
  • circ-logic recirculation programming

Product lines

Tankless

Sensei / Sensei+ Super high-efficiency condensing tankless, flagship residential line
RE Series High-efficiency tankless manufactured in Griffin, GA
V Model Series Non-condensing tankless models
RUS / RUCS Series Ultra and compact tankless models

Boilers

I-SERIES+ Condensing wall-hung boiler

Commercial

Demand Duo Commercial hybrid tank/tankless system

Warranty

Sensei / SE+ (residential) 15-year heat exchanger, 5-year parts, 1-year labor
With registration (within 90 days) Additional 4 years labor coverage (total 5 years labor)

15-year heat exchanger warranty matches industry leaders; registration bonus for labor coverage is unique

Related
Sources. Company websites, ENERGY STAR, manufacturer spec sheets.Methodology