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Collection: Rinnai

Rinnai has been innovating home and water heating since 1920, offering high-efficiency tankless water heaters, boilers, and HVAC systems. Known for reliability, advanced technology, and eco-friendly performance, Rinnai products deliver endless hot water, precise heating, and long-lasting comfort.

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121 products

Rinnai RX Series 11.1 GPM 199,000 BTU Indoor Outdoor Condensing Tankless Water Heater with Integrated Pump - RXP199IN

Rinnai RX Series 11.1 GPM 199,000 BTU Indoor Outdoor Condensing Tankless Water Heater with Integrated Pump - RXP199IN

SKU #: RINRXP199IN   |   MPN #: RXP199IN

Regular price $2,067.80
Sale price $2,067.80 Regular price $0.00
MSRP: $2,954

Available in stock

Rinnai REHP Series 50 Gallon Residential Hybrid Water Heater - REHP50

Rinnai REHP Series 50 Gallon Residential Hybrid Water Heater - REHP50

SKU #: RINREHP50   |   MPN #: REHP50

Regular price $2,483.60
Sale price $2,483.60 Regular price $2,759.55
MSRP: $3,538

Available in stock

Rinnai I Series Plus C 9.8 GPM 90,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP090199C

Rinnai I Series Plus C 9.8 GPM 90,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP090199C

SKU #: RINIP090199C   |   MPN #: IP090199C

Regular price $2,849.00
Sale price $2,849.00 Regular price $0.00
MSRP: $4,221.78

Available in stock

Rinnai I Series Plus 150,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP150S

Rinnai I Series Plus 150,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP150S

SKU #: RINIP150S   |   MPN #: IP150S

Regular price $2,523.50
Sale price $2,523.50 Regular price $0.00
MSRP: $4,006.56

Available in stock

Rinnai I Series Plus 120,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP120S

Rinnai I Series Plus 120,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP120S

SKU #: RINIP120S   |   MPN #: IP120S

Regular price $2,271.50
Sale price $2,271.50 Regular price $0.00
MSRP: $3,588.36

Available in stock

Rinnai I Series Plus 90,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP090S

Rinnai I Series Plus 90,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP090S

SKU #: RINIP090S   |   MPN #: IP090S

Regular price $2,433.31
Sale price $2,433.31 Regular price $0.00
MSRP: $3,476.16

Available in stock

Rinnai I Series Plus 199,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP199S

Rinnai I Series Plus 199,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP199S

SKU #: RINIP199S   |   MPN #: IP199S

Regular price $2,922.50
Sale price $2,922.50 Regular price $0.00
MSRP: $4,470.66

Available in stock

Rinnai I Series Plus 175,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP175S

Rinnai I Series Plus 175,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP175S

SKU #: RINIP175S   |   MPN #: IP175S

Regular price $2,686.60
Sale price $2,686.60 Regular price $0.00
MSRP: $4,197.30

Special Order

Rinnai I Series Plus 60,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP060S

Rinnai I Series Plus 60,000 BTU Natural Gas or Liquid Propane Condensing Solo Gas Boiler - IP060S

SKU #: RINIP060S   |   MPN #: IP060S

Regular price $2,203.40
Sale price $2,203.40 Regular price $0.00
MSRP: $3,147.72

Special Order

Rinnai Demand Duo R Series 199,000 BTU Indoor Natural Gas Hybrid Water Heater System with 119 Gallon Tank - CHS199100RECIN

Rinnai Demand Duo R Series 199,000 BTU Indoor Natural Gas Hybrid Water Heater System with 119 Gallon Tank - CHS199100RECIN

SKU #: RINCHS199100RECIN   |   MPN #: CHS199100RECIN

Regular price $6,960.00
Sale price $6,960.00 Regular price $0.00
MSRP: $9,280

Available in stock

Rinnai TRX Series 22 GPM 398,000 BTU Indoor Outdoor 2 Unit Sensei CX Tankless Water Heater Compact Wall Hanging Rack System - TRX02CXIN

Rinnai TRX Series 22 GPM 398,000 BTU Indoor Outdoor 2 Unit Sensei CX Tankless Water Heater Compact Wall Hanging Rack System - TRX02CXIN

SKU #: RINTRX02CXIN   |   MPN #: TRX02CXIN

Regular price $5,490.00
Sale price $5,490.00 Regular price $0.00
MSRP: $7,320

Available in stock

Rinnai RE Series 9.8 GPM 199,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE199IN

Rinnai RE Series 9.8 GPM 199,000 BTU Indoor Natural Gas Non-Condensing Tankless Water Heater - RE199IN

SKU #: RINRE199IN   |   MPN #: RE199IN

Regular price $1,280.79
Sale price $1,280.79 Regular price $0.00
MSRP: $2,033

Available in stock

Rinnai CHS HCX Series 398,000 BTU Indoor Natural Gas Vertical Hybrid Water System with 119 Gallon Tanks - CHS398100HCXVIN

Rinnai CHS HCX Series 398,000 BTU Indoor Natural Gas Vertical Hybrid Water System with 119 Gallon Tanks - CHS398100HCXVIN

SKU #: RINCHS398100HCXVIN   |   MPN #: CHS398100HCXVIN

Regular price $18,000.00
Sale price $18,000.00 Regular price $0.00
MSRP: $24,000

Available in stock

Rinnai CHS HCX Series 199,000 BTU Indoor Natural Gas Hybrid Water System with 119 Gallon Tank - CHS199100HCXIN

Rinnai CHS HCX Series 199,000 BTU Indoor Natural Gas Hybrid Water System with 119 Gallon Tank - CHS199100HCXIN

SKU #: RINCHS199100HCXIN   |   MPN #: CHS199100HCXIN

Regular price $9,187.50
Sale price $9,187.50 Regular price $0.00
MSRP: $12,250

Available in stock

Rinnai RE Series 8.5 GPM 180,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE180EN

Rinnai RE Series 8.5 GPM 180,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE180EN

SKU #: RINRE180EN   |   MPN #: RE180EN

Regular price $1,273.96
Sale price $1,273.96 Regular price $1,415.51
MSRP: $1,732

Special Order

Rinnai RE Series 7.9 GPM 199,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater with Integrated Pump - REP199EP

Rinnai RE Series 7.9 GPM 199,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater with Integrated Pump - REP199EP

SKU #: RINREP199EP   |   MPN #: REP199EP

Regular price $1,598.53
Sale price $1,598.53 Regular price $1,776.14
MSRP: $2,193

Special Order

Rinnai RE Series 7.9 GPM 199,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater with Integrated Pump - REP199EN

Rinnai RE Series 7.9 GPM 199,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater with Integrated Pump - REP199EN

SKU #: RINREP199EN   |   MPN #: REP199EN

Regular price $1,598.53
Sale price $1,598.53 Regular price $1,776.14
MSRP: $2,193

Special Order

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE199EP

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Liquid Propane Non-Condensing Tankless Water Heater - RE199EP

SKU #: RINRE199EP   |   MPN #: RE199EP

Regular price $1,482.34
Sale price $1,482.34 Regular price $1,647.05
MSRP: $2,033

Special Order

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE199EN

Rinnai RE Series 9.8 GPM 199,000 BTU Outdoor Natural Gas Non-Condensing Tankless Water Heater - RE199EN

SKU #: RINRE199EN   |   MPN #: RE199EN

Regular price $1,482.34
Sale price $1,482.34 Regular price $1,647.05
MSRP: $2,033

Special Order

Rinnai CHS HCX Series 398,000 BTU Indoor Natural Gas Horizontal Hybrid Water System with 119 Gallon ASME Certified Tanks - CHS398100HCXAIN

Rinnai CHS HCX Series 398,000 BTU Indoor Natural Gas Horizontal Hybrid Water System with 119 Gallon ASME Certified Tanks - CHS398100HCXAIN

SKU #: RINCHS398100HCXAIN   |   MPN #: CHS398100HCXAIN

Regular price $19,425.00
Sale price $19,425.00 Regular price $0.00
MSRP: $25,900

Special Order

Rinnai FAQ

What types of water heaters does Rinnai offer?

Rinnai provides a wide range of tankless water heaters, including compact non-condensing models, high-capacity units for large homes, and electric tankless water heaters, all designed for energy-efficient, on-demand hot water.

Are Rinnai tankless water heaters energy-efficient?

Yes, Rinnai tankless water heaters heat water only when needed, reducing utility bills and greenhouse gas emissions while providing continuous hot water for multiple showers or appliances.

What is a Rinnai combi boiler?

A Rinnai combi boiler combines space heating and on-demand hot water in a single compact unit, offering high efficiency, user-friendly controls, and ENERGY STAR-certified performance.

Can Rinnai water heaters support large homes?

Yes, high-capacity Rinnai tankless water heaters deliver up to 5 gallons per minute, allowing multiple showers or appliances to run simultaneously without running out of hot water.

Do Rinnai products support modern HVAC systems?

Rinnai’s hydronic air handlers and direct vent furnaces integrate with tankless water heaters and boilers to provide efficient heating, hot water, and energy savings, even in homes without ductwork.

How reliable are Rinnai tankless water heaters?

Rinnai water heaters are built for long-term durability, often lasting twice as long as traditional tank heaters. Each unit is tested before shipping and comes with a 1-year labor warranty, with optional extended coverage.

Is installation and service support available for Rinnai products?

Yes, Rinnai offers local service, a full network of trained installers, and reliable access to parts, making it easy to select, install, and maintain tankless water heaters.

Can Rinnai water heaters improve home comfort?

Absolutely. Their tankless hot water heaters provide endless hot water, precise temperature control, and efficient heating, helping families enjoy a consistent, comfortable lifestyle.

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