What Ariston Group does

Ariston Group is a publicly listed (Euronext Milan: ARIS, IPO 2021) Italian-founded (1930, Fabriano) manufacturer of thermal comfort solutions, operating 32 production sites across 18 countries and a distribution network reaching 170+ markets through a portfolio of 13 brands including global strategic brands Ariston, WOLF, and Elco alongside regional brands (ATAG, Chromagen, Calorex, Racold, Domotec, NTI, Brink) and components brands (Thermowatt, Ecoflam). With 10,000+ employees and 41-country operational footprint, the Group serves residential, commercial, and industrial customers with water heating (electric, gas, heat pump, solar), space heating (condensing boilers, heat pumps, hybrid systems), air conditioning, and air handling units. The Headquartered (legal seat Amsterdam; business address Milan) holding company controls several wholly-owned subsidiaries, with Riello (~$430M acquisition from Carrier, closing H1 2026) set to expand the burners and combustion technology business.

Revenue is generated predominantly through B2B2C hardware sales via more than 16,000 professional installer partners in Europe and long-tail distribution, with FY2025 net revenues of €2.7 billion (+3.0% organic YoY) and adjusted EBIT of €193 million (7.1% margin). The product portfolio emphasizes low-GWP refrigerants (R290 propane heat pumps across Nuos Plus S2 Wi-Fi, WOLF CHA Monoblock, Elco AEROTOP SPK lines) and hydrogen-ready condensing boilers (Elco THISION L Plus), complemented by Ariston NET — a connected services platform with Cloud-2-Cloud integrations to Amazon Alexa, Apple HomeKit, and Google Assistant — that enables remote control, AI-driven habit learning, and energy optimization. The Group pursues a hybrid B2B/B2C go-to-market combining a global brand portfolio, professional training infrastructure (WOLF Campus, Elco Heat Pump Academy, >15,000 annual training participants), and targeted geographic expansion including a Lennox joint venture entering US/Canadian residential water heating (March 2026).

Name

Ariston Group

Legal name

Ariston Holding N.V.

Website

https://aristongroup.com

Company type

Public

Founded year

1930

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Ariston Group is a publicly listed Italian-founded global manufacturer of water heating, space heating, and air conditioning solutions, serving residential, commercial, and industrial customers across 170+ markets through a multi-brand portfolio including Ariston, WOLF, Elco, and Thermowatt.

Ownership category

akta.pro rank

Product category

HVAC and Water Heating Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Refrigeration Equipment and Supplies Merchant Wholesalers (423740)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Chillers & Cooling Plant Equipment (IMAHAKAE)

akta.pro secondary industry

HVAC, Water Heaters & Indoor Air Quality Distribution (CRAOAFAJ)

Keywords

• Heating solutions
• Water heating equipment
• Heat pumps
• Climate comfort systems
• Ventilation products

Headquarters

HQ city

Fabriano

HQ country

Italy

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Water Heating Products: Sales of electric water heaters, heat pump water heaters, solar water heaters, gas storage and instantaneous water heaters across all brands. Leadership position in water heating with presence in over 100 countries and leading positions in more than 20 markets.
2. Climate Comfort (HVAC) Products: Heat pumps, hybrid systems, high-efficiency condensing boilers, residential and commercial air conditioning, ventilation systems. Includes products from WOLF, Elco, and Ariston brands covering all climate comfort needs.
3. Air Handling Systems: Centralized and decentralized ventilation systems, air handling units for residential, commercial, and industrial applications with capacities up to 350,000 m³/h.
4. Components and Combustion Technology: Heating elements, thermostats (Thermowatt brand), and combustion technology products (Ecoflam brand) for professional and industrial applications.
5. Connected Services and Support: Connected home services, pre- and post-sale support, technical training, extended warranty contracts, and digital services including Expert Service platform for service centers.

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

Ariston Group designs, manufactures, and sells a complete range of thermal comfort solutions including heat pumps (using natural R290 refrigerant), condensing boilers, hybrid heating systems, electric and gas water heaters, heat pump water heaters, solar thermal systems, and air handling/ventilation equipment. The company operates a multi-brand portfolio (Ariston, WOLF, Elco, ATAG, Chromagen, Thermowatt, Ecoflam, and others) supported by a connected IoT services platform (Ariston NET) and distributed through a global network of professional installers, dealers, and distribution partners across more than 170 markets.

Product overview

Ariston Group operates a diversified multi-brand, multi-category product portfolio organized around five solution areas: (1) Climate Comfort — comprising heat pumps (residential and commercial), hybrid heating systems, high-efficiency condensing boilers, air conditioners, and ventilation under the Ariston, WOLF, and Elco global brands; (2) Water Heating — spanning electric storage water heaters (Ariston Velis), hybrid water heaters (Lydos Hybrid), propane/R290 heat pump water heaters (Nuos Plus R290, Nuos Plus S2 Wi-Fi), and solar water heaters under the Ariston brand and regional brands including Calorex, Racold, Chromagen, Domotec, and NTI; (3) Connected Services — Ariston NET platform providing IoT connectivity, remote control via smartphone app (with Amazon Alexa, Apple HomeKit, and Google Assistant integration), AI-powered energy optimization and predictive maintenance; (4) Components — Thermowatt brand (heating elements, thermostats) and Ecoflam brand (burners, combustion technology); and (5) Acquired Riello Burners (from Carrier, 2025/2026) expanding combustion technology capabilities. The portfolio is structured as a platform of global strategic brands (Ariston, WOLF, Elco) backed by regional and local brands, supported by components and combustion technology brands.

Differentiator

Problem solved

Functional benefit

Brands

• Ariston: Global expert in hot water, heating and air conditioning offering renewable and energy-efficient solutions for sustainable comfort in every home.
• WOLF
• Elco
• ATAG
• Brink
• NTI
• Calorex
• Racold
• Domotec
• Chromagen
• Thermowatt
• Ecoflam
• Ariston NET

Products and services

• Ariston NET

Quantifiable outcome

• Up to 80% energy savings with Nuos Plus S2 heat pump water heater vs conventional electric storage heaters
• +5 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability6 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core.

• Lennox InternationalcoreStrategic or Co-development Partner · 3 March 2026Joint venture to launch residential water heaters in North America, with dealer orders starting March 16, 2026. Combines Lennox's established residential dealer network with Ariston's water heating technology to serve homeowners in the US and Canada with Power Vent, Heat Pump, and Top Connect water heaters. Celebrating first anniversary in June 2026 with overwhelmingly positive dealer response and sales exceeding initial projections.
• Politecnico di MilanocoreStrategic or Co-development Partner · 18 February 2026Five-year Framework Agreement for scientific collaboration and Implementing Agreement in sustainable space and water heating and cooling. Includes research projects, training activities, employer branding and recruiting initiatives, and collaboration for national and international funding opportunities. Re-launches the Joint Research Platform between Ariston Group and Politecnico di Milano.
• Carrier Global CorporationcoreStrategic or Co-development Partner · 16 December 2025Ariston Group signed agreement to acquire 100% of Riello Group SpA and Riello America LLC from Carrier for approximately $430 million. Expected to close H1 2026, pending regulatory approvals. Strengthens Ariston's role in Italy's climate comfort sector and enhances global expertise in combustion technologies, including Riello and Beretta brands.
• Shell Energia ItaliacoreStrategic or Co-development Partner · 23 July 2025Ten-year PPA (Power Purchase Agreement) signed for renewable energy procurement supporting Ariston Group's sustainability goals and decarbonization strategy.
• Amazon AlexacoreTechnology or IntegrationIntegration partner for Ariston NET connected home platform. Allows voice control and smart home ecosystem integration for Ariston thermal comfort products.
• Apple HomeKitcoreTechnology or IntegrationIntegration partner for Ariston NET connected home platform. Enables Apple users to control Ariston heating and water heating products through HomeKit ecosystem.
• Google AssistantcoreTechnology or IntegrationIntegration partner for Ariston NET connected home platform. Allows Google Home and Assistant users to control Ariston products with voice commands.

Scale indicators16 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• Bosch Thermotechnology: Bosch's thermotechnology division is a direct competitor in residential and commercial heating, hot water, and HVAC across Europe and globally, with comparable product depth (heat pumps, boilers, hybrid systems) under the Bosch and Buderus brands. Closest comparable by product portfolio and geographic mix.
• Vaillant Group: German family-owned heating specialist with strong European footprint in heat pumps, condensing boilers, and hybrid systems. Competes head-to-head with Ariston/WOLF/Elco brands in DACH region with comparable technology positioning.
• BDR Thermea Group: Dutch-headquartered heating company with Remeha, Baxi, De Dietrich, and Brötje brands. Highly comparable multi-brand European heating strategy, similar geographic concentration, and overlapping customer base of installers and homeowners.
• Stiebel Eltron: German family-owned heat pump and water heating specialist with deep focus on residential and commercial heat pumps. Closely comparable to WOLF brand in product positioning, technology focus (R290, natural refrigerants), and DACH market presence.
• Lennox International: US-headquartered residential and commercial HVAC company; now Ariston's joint venture partner in North America. Overlapping product portfolio (water heaters, heat pumps, HVAC) but in different geographies, making them both a peer and a strategic partner.
• Rinnai Corporation: Japanese water heating specialist with global presence in tankless gas water heaters and condensing technology. Directly comparable to Ariston's water heating core business and overlapping channel strategy via professional installer networks.

Broad incumbents

• Daikin Industries: Global HVAC leader with dominant position in heat pumps and air conditioning. While broader in scope and Japanese-headquartered, Daikin is the global benchmark for heat pump technology and scale that Ariston competes against in Europe and globally.
• Carrier Global Corporation: Global HVAC and refrigeration giant; recently sold Riello to Ariston. Overlaps in residential/commercial HVAC and water heating but at much larger scale, with broader refrigeration and fire/security adjacencies that Ariston does not serve.
• Trane Technologies: Global climate solutions leader with commercial and residential HVAC. Comparable in connected services and sustainability positioning but with significantly larger scale and US-centric revenue mix versus Ariston's European concentration.
• Mitsubishi Electric: Japanese conglomerate with significant HVAC and heat pump business (Ecodan). Competes with Ariston in European heat pump market with comparable R&D investment and technology differentiation, but operates across much broader electronics portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ariston-thermo-group
• Xx.com/aristonuk
• Facebookfacebook.com/Ariston-Thermo

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries14 records

Funding overview

Funding rounds

Investors

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

M&A5 records

Investments

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

Frequently asked questions about Ariston Group