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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 / Noritz
Brand

Noritz

Tankless-only specialist with Japanese engineering. Industry-best warranty program. Reliable, well-built units favored by contractors.
Noritz, founded 1951, headquartered in Fountain Valley, California. 4 models across 1 product types: 4 heat pump. All heat pump models

Why buyers end up in Noritz

  • Specialist: focused entirely on heat pump technology
  • Strong warranty: up to 10-year tank coverage
  • Pro-channel focused: typically installed by contractors, not sold retail

Where this brand is weaker

  • No published Wi-Fi or smart connectivity
  • No condensing tankless or gas tank models in our database

Market position

Industry-leading 25-year warranty on EZ Series. Japanese engineering and quality. Tankless-only focus in water heating.

Known for: Tankless-only specialist with Japanese engineering. Industry-best warranty program. Reliable, well-built units favored by contractors.

Efficiency range

UEF 3.34 to 3.48

Across 4 models with published UEF ratings.

Below are all verified Noritz models with published specs.

Models

Heat Pump Models

ModelBrandUEFFHRHeightEst. Cost/yr
NHP80Noritz3.4886 gal74"~$245
NHP50Noritz3.4658 gal58.3"~$162
NHP120Noritz3.38105 gal84.5"~$253
NHP65Noritz3.3470 gal63.8"~$168

● Best in group

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

Where to buy

Channels: Wholesale, Contractor

Sold through professional installers, distributors, wholesalers, and online retailers. PROCard program for professionals.

Technology

  • condensing tankless technology
  • stainless steel heat exchangers (primary and secondary)
  • built-in recirculation
  • EZNav multi-unit control

Product lines

Residential

EZ Series (EZ71, EZ98, EZ111, EZTR50, EZTR75) Condensing tankless with industry-leading 25-year heat exchanger warranty
NRC/Pro Series Standard residential tankless models
NRCR Series Models with built-in recirculation

Commercial

NCC199CDV-Pro High-capacity commercial condensing tankless

Warranty

EZ Series (single-family, standard use) 25-year heat exchanger, 5-year parts
EZ Series (single-family, recirculating) 15-year heat exchanger, 5-year parts
Other residential models 12-year heat exchanger, 5-year parts

25-year heat exchanger warranty on EZ Series is the longest in the industry

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