Vaillant Group

What Vaillant Group does

Vaillant Group is a privately held German heating technology company founded in 1874 by Johann Vaillant, now operating globally with an estimated 30 million cumulative customers. The data captured here reflects its Slovak market operations (vaillant.sk), where the company sells a comprehensive portfolio of residential and light commercial heating, cooling, and ventilation products. Core offerings include air-to-water heat pumps (aroTHERM plus, aroTHERM pro, flexoTHERM exclusive) with R290 natural refrigerant and COP of 4-5, gas condensing boilers (ecoTEC plus, ecoCOMPACT) with up to 96% efficiency and 20% hydrogen-blend compatibility, hybrid heating systems, solar thermal collectors (auroTHERM), ventilation with heat recovery (recoVAIR), air conditioning (climaVAIR), and fan coil units (aroVAIR). All products are unified under the sensoCOMFORT system controller and myVAILLANT connect IoT module, which integrate with Apple HomeKit and voice assistants.

The underlying technology platform centers on high-efficiency heat transfer (heat pumps, condensing boilers) and a proprietary eBUS device communication protocol in use since 2006, enabling interoperability across the full product ecosystem. Vaillant's business model is primarily hardware sales (€8,000-25,000 per installed system for heat pumps) supplemented by recurring service and warranty revenue, delivered almost entirely through a partner-mediated go-to-market: over 1,000 certified installation and service technicians in Slovakia alone, supported by the myVAILLANT Pro partner portal for training, design tools, and account management. A direct e-commerce channel (vaillant-online.sk) exists for simpler boiler SKUs. Customer segments span new construction homeowners, renovation/modernization projects (the primary use case for retrofit heat pumps), residential cooling, and apartment building / hospitality applications — all characterized by high-ticket, long-life-cycle purchases with low per-customer revenue concentration.

Name

Vaillant Group

Legal name

Vaillant Group

Website

https://vaillant.sk

Company type

Private

Founded year

1874

Operating status

Operating

Headcount range

51–100 employees

Short description

Vaillant Group is a privately held German heating OEM (founded 1874) serving residential and light commercial customers in Slovakia and globally through heat pumps, gas boilers, hybrid systems, and integrated smart controls, distributed via a 1,000+ certified installer partner network.

Ownership category

akta.pro rank

Product category

Residential Heating and HVAC Systems

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (42372)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Heating Equipment, Except Electric & Warm Air Furnaces (3433), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

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

akta.pro secondary industries

Commercial Water Heater & Boiler Service (HSAOACAJ), HVAC, Water Heaters & Indoor Air Quality Distribution (CRAOAFAJ), Expansion Tank, Circulator Pump & Zone Valve Service (HSAOACAG)

Keywords

• Heat pump systems
• Gas condensing boilers
• Hybrid heating solutions
• Solar thermal systems
• Ventilation heat recovery

Headquarters

HQ city

Skalica

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heating Equipment Sales: Primary revenue from selling heating equipment including heat pumps, gas condensing boilers, air conditioning units, and system components. Products sold through partner network and online channels.
2. Professional Installation Services: Installation and servicing through authorized partner network. Partners provide on-site consultations, custom system design, installation, and maintenance services.
3. After-sales Services and Warranty: Extended warranty programs, regular maintenance services, and online service book for tracking maintenance schedules and connecting with service technicians.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Vaillant Group manufactures and distributes residential and light-commercial heating, cooling, and ventilation equipment, including air-to-water heat pumps, gas condensing boilers, hybrid heating systems, solar thermal collectors, air conditioning units, hot water storage tanks, and smart system controllers. The company sells its products through an authorized partner/installer network (more than 1,000 service technicians in Slovakia alone) and through a direct online shop for boilers. It also provides installation, maintenance, and extended warranty services delivered through certified partners.

Product overview

Vaillant Group offers a comprehensive portfolio of heating, cooling, and ventilation products organized around several core product lines. The portfolio centers on air-to-water heat pumps (aroTHERM plus, aroTHERM pro, flexoTHERM exclusive) and gas condensing boilers (ecoTEC plus, ecoCOMPACT), which serve as primary heating sources. These are complemented by smart control systems (sensoCOMFORT, sensoROOM, myVAILLANT connect) that integrate all heating components. Air conditioning solutions (climaVAIR pro, climaVAIR multi) and fan coil units (aroVAIR pro) extend cooling capabilities. Hot water storage (uniTOWER plus, uniSTOR plus), solar thermal collectors (auroTHERM classic), and ventilation units with heat recovery (recoVAIR) round out the system offerings. The ecosystem is designed for seamless interoperability, with controllers managing up to 9 heating circuits, photovoltaics, solar thermal, and ventilation from a single interface.

Differentiator

Problem solved

Functional benefit

Brands

• aroTHERM: Heat pump product line including aroTHERM plus and aroTHERM pro models
• flexoTHERM
• ecoTEC
• ecoCOMPACT
• sensoCOMFORT
• sensoROOM
• myVAILLANT connect
• climaVAIR
• aroVAIR
• auroTHERM
• uniSTOR
• uniTOWER
• recoVAIR
• triVAI-point

Products and services

• aroTHERM plus Air-to-water heat pump offering efficiency of up to 5:1 ratio (5 kW heat from 1 kW electricity). Available in 3-12 kW power variants for family homes including existing radiator systems. Uses natural refrigerant R290 and is designed for both new construction and modernization projects.
• aroTHERM pro Compact air-to-water heat pump designed as the first heat pumps that truly fit anywhere, featuring unique minimal protection zones for space-saving installation. Uses natural refrigerant R290.
• flexoTHERM exclusive Versatile heat pump that can utilize energy from ground, air, or water sources depending on site requirements. Features Vaillant Sound Safe System for quiet operation and includes an internet module for smartphone app control.
• ecoTEC plus Wall-mounted gas condensing boiler for replacement in existing buildings, available in 10-30 kW power range. Made from 80% recyclable material, compatible with up to 20% hydrogen blend, and integrable with myVAILLANT connect for smart heating control.
• ecoCOMPACT Stationary gas condensing boiler with integrated hot water storage tank (90, 150, or 200 liters). Compact design with footprint of only 0.41 m² combining heating and hot water preparation in one unit with self-adjusting condensing technology.
• climaVAIR pro Split air conditioning unit for efficient cooling and heating of individual rooms. Features WiFi connectivity, uniform air distribution, and 'I feel function' for personalized comfort. Suitable for apartments and small recreational buildings.
• climaVAIR multi Multi-split air conditioning unit allowing connection of up to 5 different indoor units to one outdoor unit for independent cooling and heating of multiple rooms. Climate-friendly and energy-efficient system.
• auroTHERM classic Solar thermal flat plate collectors for pressure-free systems providing heating and hot water. Features 80mm low construction height and structured glass for reliable solar thermal energy generation.
• recoVAIR ventilation units Ventilation units with heat recovery for residential spaces. Includes central units (VAR 260/360) for whole-house ventilation and decentralized units (VAR 60) for individual rooms. Reduces heating costs by up to 30% through heat recovery.
• sensoCOMFORT system controller Advanced system controller with equithermic regulation for controlling up to 9 heating circuits, hot water preparation, photovoltaics, solar thermal systems, and ventilation. Ready for smart home integration with voice assistants and Apple HomeKit.
• uniSTOR plus hot water storage tanks Hot water storage tanks with 300-500 liter capacity suitable for family homes, apartment buildings, and commercial spaces. Compatible with heat pumps, condensing boilers, and solar systems with excellent thermal insulation.

Quantifiable outcome

• Heat pumps achieve COP of 4-5, producing 4-5 kWh of heat from 1 kWh of electricity
• +4 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature8 records

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Bosch Home Comfort (formerly Bosch Thermotechnik): Direct German competitor offering a comparable full-stack residential and commercial heating portfolio (heat pumps, gas condensing boilers, hybrid systems) with similar partner-distributed installation model across Europe, including Slovakia.
• Viessmann Climate Solutions: Family-owned German heating specialist with near-identical product breadth (heat pumps, condensing boilers, hybrid, solar, ventilation) targeting the same residential and light-commercial customer base; pre-IPO peer of comparable scale and channel strategy.
• NIBE Energy Systems: Swedish-listed heat pump specialist with strong presence in residential air-source and ground-source heat pumps; closest pure-play heat pump peer competing with aroTHERM, flexoTHERM, and recoVAIR lines.
• Stiebel Eltron: German family-owned manufacturer of heat pumps, water heaters, and ventilation, positioned squarely against Vaillant in the DACH+ residential new-build and modernization segment with comparable German-engineering brand equity.
• BDR Thermea Group: Dutch-based private heating group (Baxi, De Dietrich, Remeha, Brötje brands) operating with similar partner-led distribution and an equivalent mix of gas condensing and heat pump products across Western/Central Europe.
• Ariston Group: Italian-listed heating and water-heating manufacturer with strong Central/Southern European footprint; competes with Vaillant's ecoTEC and aroTHERM lines in residential boiler and emerging heat pump markets.
• Buderus (Bosch brand): Bosch-owned German heating brand selling condensing boilers, heat pumps, and system controls through installer networks; effectively a sister/competitive brand to Bosch Home Comfort competing head-to-head with Vaillant in Central Europe.

Broad incumbents

• Daikin Europe: Global HVAC incumbent increasingly focused on heat pumps and refrigerants; broader AC/chiller portfolio but increasingly overlapping with Vaillant in residential heat pumps across European markets.
• Mitsubishi Electric (Living Environment Systems): Japanese group's European HVAC division is a major heat pump and air-conditioning incumbent, overlapping with aroTHERM and climaVAIR lines in residential cooling/heating installations.

Regional players

• Protherm (Vaillant-owned): Slovak-originated gas condensing boiler brand historically strong in CEE before becoming part of the Vaillant Group family; useful peer because it represents Vaillant's CEE positioning versus other regional players.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

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 Vaillant Group