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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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150 products

White Rinnai tankless water heater unit with dark control panel and dual exhaust vents on top.

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 $2,370.00
Sale price $2,370.00 Regular price $0.00
MSRP: $2,954

Available in stock

Silver rectangular Rinnai condensing boiler with black control panel displaying temperature setting and two black vents on to

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 stainless steel condensing gas boiler with digital control panel displaying 120 degrees and black vent pipes on top.

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

Silver rectangular Rinnai combination boiler with black control panel displaying temperature and buttons on front face.

Rinnai I Series Plus C 9.8 GPM 150,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP150199C

SKU #: RINIP150199C   |   MPN #: IP150199C

Regular price $3,390.80
Sale price $3,390.80 Regular price $0.00
MSRP: $4,843.98

Available in stock

Rinnai white tankless water heater with digital display showing 120 degrees, control buttons, exhaust vent on top, and brass

Rinnai RE Series 9.8 GPM 199,000 BTU Indoor Liquid Propane Non-Condensing Tankless Water Heater - RE199IP

SKU #: RINRE199IP   |   MPN #: RE199IP

Regular price $1,423.10
Sale price $1,423.10 Regular price $0.00
MSRP: $2,033

Available in stock

Gray rectangular Rinnai tankless water heater with digital display control panel and two vent pipes on top.

Rinnai Sensei CX Series 11 GPM 199,000 BTU Indoor Outdoor Commercial Tankless Water Heater - CX199IN

SKU #: RINCX199IN   |   MPN #: CX199IN

Regular price $1,947.25
Sale price $1,947.25 Regular price $0.00
MSRP: $2,504

Available in stock

Rinnai Sensei CX Series gray tankless water heater with digital display and dual vent connections on top.

Rinnai Sensei CX Series 11 GPM 199,000 BTU Indoor Outdoor Commercial Tankless Water Heater with Integrated Pump - CXP199IN

SKU #: RINCXP199IN   |   MPN #: CXP199IN

Regular price $2,480.36
Sale price $2,480.36 Regular price $0.00
MSRP: $3,183

Available in stock

Rinnai hybrid water heater with white cylindrical tank, integrated white and black tankless unit with digital display, brass

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

Two dark gray Rinnai tankless water heaters mounted side-by-side with digital controls and brass plumbing connections below.

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 hybrid water heater with gray cylindrical tank, black front panel with digital display, and brass and metal connection

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

White rectangular tankless water heater with digital display showing 120 degrees, vent pipe on top, and control buttons.

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

SKU #: RINRE199IN   |   MPN #: RE199IN

Regular price $1,423.10
Sale price $1,423.10 Regular price $0.00
MSRP: $2,033

Available in stock

Rinnai RX160IN tankless water heater with white rectangular body, dark control panel, and dual exhaust vents on top.

Rinnai RX Series 9.0 GPM 160,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX160IN

SKU #: RINRX160IN   |   MPN #: RX160IN

Regular price $1,635.35
Sale price $1,635.35 Regular price $0.00
MSRP: $2,061

Available in stock

Rinnai white rectangular tankless water heater with dark control panel and two black vents on top.

Rinnai RX Series 9.0 GPM 160,000 BTU Indoor Outdoor Condensing Tankless Water Heater with Integrated Pump - RXP160IN

SKU #: RINRXP160IN   |   MPN #: RXP160IN

Regular price $1,897.67
Sale price $1,897.67 Regular price $0.00
MSRP: $2,408

Available in stock

White cylindrical hybrid water heater with control panel, side handles, and lower access door.

Rinnai REHP Series 50 Gallon Residential Hybrid Water Heater - REHP50

SKU #: RINREHP50   |   MPN #: REHP50

Regular price $3,235.77
Sale price $3,235.77 Regular price $0.00
MSRP: $3,538

Available in stock

White cylindrical hybrid water heater with digital control panel, side handles, and lower access door.

Rinnai REHP Series 80 Gallon Residential Hybrid Water Heater - REHP80

SKU #: RINREHP80   |   MPN #: REHP80

Regular price $4,728.46
Sale price $4,728.46 Regular price $0.00
MSRP: $5,420

Special Order. Expect 4-6 weeks for delivery, subject to change

Rinnai white rectangular tankless water heater with black digital control panel and dual exhaust vents on top.

Rinnai RX Series 10.0 GPM 180,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX180IN

SKU #: RINRX180IN   |   MPN #: RX180IN

Regular price $1,767.72
Sale price $1,767.72 Regular price $0.00
MSRP: $2,238

Available in stock

Rinnai hybrid water heater system with stacked gray tanks, brass fittings, and yellow piping connections.

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 stainless steel combination boiler with digital control panel and dual exhaust vents on top.

Rinnai I Series Plus C 9.8 GPM 120,000 BTU Central Heating and 199,000 BTU Hot Water Natural Gas or Liquid Propane Condensing Combination Boiler - IP120199C

SKU #: RINIP120199C   |   MPN #: IP120199C

Regular price $3,037.30
Sale price $3,037.30 Regular price $0.00
MSRP: $4,339.08

Available in stock

Rinnai stainless steel condensing boiler with digital control panel and dual black vents on top.

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

White rectangular Rinnai tankless water heater with dark control panel and dual exhaust vents on top.

Rinnai RX Series 11.1 GPM 199,000 BTU Indoor Outdoor Condensing Tankless Water Heater - RX199IN

SKU #: RINRX199IN   |   MPN #: RX199IN

Regular price $1,914.25
Sale price $1,914.25 Regular price $0.00
MSRP: $2,433

Available in stock

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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