What Rinnai Italia S.r.l. does

Rinnai Italia S.r.l. is the wholly-owned Italian subsidiary of Rinnai Corporation, a Japanese multinational founded in 1920 and headquartered in Japan. The legal entity is registered in Carpi (Modena), Italy, at Via Liguria 37, and operates Rinnai's full Italian distribution operation exclusively within Italy. The company specializes in heat-energy appliances — instantaneous gas water heaters, gas condensing boilers, heat pumps, hybrid systems, and pre-assembled commercial sanitary systems — and serves both residential consumers and commercial customers including hotels, sports facilities, healthcare facilities, manufacturing, and religious institutions.

The product portfolio is technically differentiated. Core platforms include the ONE and INFINITY series instantaneous water heaters with gas-adaptive Lambda Control; the patented R-Evolution heat exchanger in the INFINITY Sensei NB condensing range; the Demand Duo combined instantaneous-and-storage sanitary system; the Modus Infinity cascade platform for commercial installations; Modus Hybrid factory-certified hybrid systems pairing heat pumps with condensing boilers; and the Shimanto and HydraHeat heat-pump lines using R32 or R290 refrigerants with A+++ energy ratings. Multiple products are H2 Ready for 30% hydrogen blends, CE/ErP certified, and supported by ENEA/GSE-recognized incentive eligibility. Selected commercial platforms integrate ModBus or BMS for cascade control.

Rinnai Italia monetizes primarily through hardware sales across residential and commercial SKUs priced from approximately €628 (ONE 11i entry-level) to multi-thousand-euro commercial systems (Shimanto heat pumps from €5,318; Modus Hybrid PRO quote-based). Supporting revenue streams include authorized technical service, warranty extensions, and installer-targeted cashback promotions (up to €300 monthly). Distribution runs through Rinnai's own e-commerce platform, a network of certified qualified installers, authorized technical service centers, and retailer partners. Pre-sales engineering ([email protected]) supports commercial specification, while demand is stimulated through content marketing, social channels, trade shows (BTM, mcTER, SAIE), and the localization of Italian government incentives (Conto Termico 3.0, ECOBONUS).

Name

Rinnai Italia S.r.l.

Legal name

RINNAI ITALIA srl

Website

https://rinnai.it

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

11–50 employees

Short description

Rinnai Italia S.r.l. is the Italian subsidiary of Japan's Rinnai Corporation, distributing instantaneous gas water heaters, condensing boilers, heat pumps, and certified hybrid sanitary systems across Italy via e-commerce, a qualified-installer network, and retailers.

Ownership category

akta.pro rank

Product category

Heating and Domestic Hot Water Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Major Household Appliance Manufacturing (33522)

SIC

Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industries

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH), Tankless Water Heater Installation & Service (HSAOACAB), Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC), Water Heating & Treatment Appliance Retail (Water Heaters, Water Softeners, Filtration Systems) (CRACACAF)

Keywords

• Instantaneous water heaters
• Condensing gas boilers
• Heat pump systems
• Hybrid heating solutions
• Domestic hot water

Headquarters

HQ city

Carpi

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel, Technology or R&D, Infrastructure

Revenue model

1. Hardware Sales - Residential Water Heaters: Sale of instantaneous gas water heaters (Infinity, One series), condensing boilers (Zen, Momiji, aiM), and accessories for residential applications. Products sold through e-commerce, installers, and retailers.
2. Commercial/Industrial Systems: Pre-assembled certified systems including Modus Infinity (cascade water heater systems), Demand Duo (instantaneous + storage), and hybrid systems for hotels, sports facilities, and industrial applications.
3. Heat Pump Systems: Sale of heat pumps including Shimanto Mono, Shimanto Split, Shimanto Midi, Mashu, and HydraHeat for heating, cooling, and domestic hot water production.
4. Technical Services and Maintenance: Authorized technical service network provides installation, first ignition, maintenance, and repair services through certified technicians.
5. Warranty Extensions: Extended warranty programs offered to residential and commercial customers beyond the standard warranty period.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

Rinnai Italia S.r.l. designs, supplies and supports gas tankless water heaters (ONE and INFINITY series), gas condensing boilers (ZEN, MOMIJI, aiM), air-source heat pumps (Shimanto, Mashū, HydraHeat), hybrid systems combining boilers and heat pumps (Modus Hybrid), commercial sanitary systems (Demand Duo, Modus Infinity), and complementary appliances such as gas dryers and rice cookers. Offerings target both residential end customers via e-commerce and professional installers, hospitality operators, and industrial users through a qualified installer and service center network.

Product overview

Rinnai Italia S.r.l. offers a comprehensive portfolio of heating and hot water solutions as part of the global Rinnai Corporation. The product range centers on instantaneous gas water heaters (ONE and INFINITY series), gas condensing boilers (aiM, MOMIJI, ZEN), heat pumps (HydraHeat, Shimanto Mono, Shimanto Split, Shimanto Midi, Mashū), hybrid systems (Modus Hybrid series), and sanitary systems (Demand Duo, Modus Infinity). Additional products include gas dryers and rice cookers. The INFINITY and ONE water heater lines feature gas adaptive Lambda control technology for universal gas compatibility. Heat pumps utilize R32 or R290 natural refrigerants with A+++ to A+ energy ratings. The Modus hybrid systems integrate heat pumps with gas condensing generators for optimized efficiency. Sanitary systems range from individual instantaneous units to cascade-configured systems for commercial installations. Wi-Fi connectivity and ModBus protocol are built into select products for smart home and building management integration.

Differentiator

Problem solved

Functional benefit

Products and services

• ONE tankless water heater (11i indoor / 11e outdoor) Compact tankless gas water heater delivering instantaneous domestic hot water for residential applications, available in indoor and outdoor installation variants.
• INFINITY tankless water heater (14i-32i indoor / 14e-28e outdoor) Range of modular tankless gas water heaters from 14 to 32 liters covering residential through light commercial domestic hot water production, with paired indoor and outdoor installation models.
• INFINITY Enjin 16-20e condensing water heater Outdoor condensing tankless water heater for residential and small commercial high-efficiency hot water production without space heating.
• INFINITY Sensei NB 26-32 high-capacity condensing water heater High-capacity commercial condensing water heater with ModBus communication for building management integration and built-in anti-Legionella thermal disinfection cycles.
• ZEN gas condensing boiler Wall-mounted residential condensing boiler providing high-efficiency space heating and domestic hot water production with adaptive Lambda combustion control.
• MOMIJI high-temperature condensing boiler High-temperature residential condensing boiler suited to installations requiring elevated flow temperatures, such as older radiator systems.
• aiM gas condensing boiler Compact gas condensing boiler for residential heating and domestic hot water production, designed for installation space efficiency.
• HydraHeat heat pump water heater Air-source heat pump water heater extracting heat from ambient air to produce domestic hot water for residential applications with reduced electrical consumption.
• Shimanto Mono monobloc heat pump Monobloc (single-unit) air-source heat pump available in 4-12 kW and 14-18 kW sizes for residential and small commercial heating and cooling applications.
• Shimanto Split 4-16 heat pump Split-configuration air-source heat pump from 4 to 16 kW pairing indoor and outdoor units, suited to residential heating and cooling installations.
• Shimanto Midi 26-32 commercial monobloc heat pump Commercial-grade monobloc air-source heat pump from 26 to 32 kW for small commercial and high-demand residential installations.
• Mashū 40-70 high-power commercial heat pump High-power commercial air-source heat pump from 40 to 70 kW for hotels, apartment blocks and large commercial heating applications.
• Modus Hybrid PRO commercial hybrid system Factory-integrated commercial hybrid system combining a gas condensing boiler with a heat pump into one plant, providing flexibility on commercial heating installations.
• Modus Hybrid ACS variants (Split, Mono, Mono +, ACS Demand Duo, ACS Infinity) Residential hybrid systems pairing Shimanto heat pumps with Rinnai gas appliances to provide combined space heating and domestic hot water with optimized energy use.
• Demand Duo 26-28 commercial sanitary system Commercial sanitary system pairing storage and instantaneous water heating in a single solution for high-demand residential and small commercial sites.
• Modus Infinity sanitary system (Essential and Regular) Residential sanitary systems pairing water storage with instantaneous heating, available in Essential and Regular models for varied installation requirements.
• Dry-Soft gas dryer Residential gas-heated clothes dryer using gas burner technology for faster drying times and lower electrical consumption.
• Cuociriso rice cooker Automated household rice cooker appliance from the Rinnai domestic lineup for rice preparation.
• VMC mechanical ventilation system Controlled mechanical ventilation (VMC) system providing indoor air extraction and management for residential installations.
• Shimanto Sanitary 110 and 200-300 hot water storage tanks Domestic hot water storage tanks in 110, 200 and 300 liter sizes intended to pair with Shimanto heat pumps for residential and light commercial hot water storage.

Quantifiable outcome

• Energy savings of approximately 15% annually when replacing traditional boilers with condensing boilers
• +4 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature6 records

Partnerships

Three partnerships are on record, tiered minor, core and moderate.

• SDM Società Benefit SrlminorImplementation/ SI/ Consulting Partner · 16 January 2026SDM Società Benefit Srl acts as the delegated manager for Rinnai Italia's cashback promotion program 'Più Acquisti. Più Guadagni.' The company processes refund requests, validates participating installers' applications, and handles payment disbursements to beneficiaries.
• GSE (Gestore dei Servizi Energetici)coreStrategic or Co-development PartnerGSE is the state-managed entity that administers the Conto Termico 3.0 incentive program. Rinnai products are eligible for these government incentives, with the company actively promoting awareness of the program through their marketing materials and online configurator.
• ENEA (Agenzia Nazionale per le Nuove Tecnologie, l'Energia e lo Sviluppo Economico Sostenibile)moderateStrategic or Co-development PartnerENEA collaborates with Rinnai on energy efficiency initiatives. Rinnai participated in ENEA's Masterclass on Building Energy Efficiency at SAIE Bari, and Rinnai products are registered with ENEA for ECOBONUS compliance.

Scale indicators2 records

Recent moves5 records

Expansion highlights6 records

Broad incumbents

• Daikin Italy: Italian subsidiary of Daikin, the global HVAC leader, with a strong Altherma heat pump line and air conditioning business. Competes directly with Rinnai Italia in the heat pump segment and has significantly larger installed base in residential and commercial cooling/heating integrated systems.
• Bosch Thermotechnology: Division of Bosch Home Comfort Group manufacturing heating and hot water products including the Worcester brand in Italy. Offers a broad portfolio spanning boilers, heat pumps, and air conditioning, leveraging Bosch's broader appliance distribution and service network to compete across multiple of Rinnai Italia's product categories.
• Mitsubishi Electric Italy: Italian arm of Mitsubishi Electric, with Ecodan air-to-water heat pumps and a strong air conditioning portfolio. Directly overlaps with Rinnai Italia's heat pump (Shimanto, Mashū) and air conditioning product lines, with established Italian installer networks and brand recognition in residential and commercial HVAC.
• Hitachi Cooling & Heating (Johnson Controls): Part of Johnson Controls-Hitachi, offering Yutaki heat pumps and air conditioning systems in Italy. Competes with Rinnai Italia in the residential and light commercial heat pump segment, leveraging broader HVAC portfolio and strong installer relationships built through air conditioning distribution.

Direct peers

• Immergas: Italian manufacturer of gas boilers, water heaters, and heat pumps based in Brescello. Directly competes with Rinnai Italia in the residential gas boiler segment with strong Italian installer loyalty, similar mid-market positioning, and overlapping product range.
• Vaillant Group: German-headquartered heating, cooling, and hot water manufacturer selling boilers, heat pumps, and ventilation under Vaillant, Saunier Duval, and Protherm brands across Europe. Saunier Duval has historic Italian market share, making Vaillant a direct competitor to Rinnai Italia in residential boilers and emerging heat pump segments.
• BDR Thermea Group (Baxi, De Dietrich): European heating group owning the Baxi brand, a major boiler and water heater manufacturer with strong presence in Italy through Baxi and De Dietrich. Competes head-to-head with Rinnai Italia in residential boilers and is expanding aggressively in heat pumps, offering highly comparable products at similar price points.
• Ariston Group: Italian-listed heating and water heating manufacturer with a full portfolio of boilers, heat pumps, and water heaters sold under Ariston, ELCO, and Chaffoteaux brands. Directly competes with Rinnai Italia across residential and commercial segments in Italy with deeper local market presence and brand recognition.
• Riello (Beretta): Italian heating group owning the Beretta brand, with a comprehensive portfolio of residential and commercial boilers, water heaters, and condensing systems. Direct Italian competitor to Rinnai Italia in the gas boiler and instantaneous water heater category with established trade relationships.
• Fondital: Italian manufacturer specializing in aluminum radiators, condensing boilers, and water heaters for residential and commercial applications. Headquartered in Italy, competes directly with Rinnai Italia in the gas boiler and water heater space with strong domestic manufacturing base and installer relationships.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/rinnaiitalia
• Facebookfacebook.com/rinnaiitalia
• LinkedInlinkedin.com/company/rinnai-italia-s-r-l-
• Instagraminstagram.com/rinnai__italia

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rinnai Italia S.r.l.