Vaillant

What Vaillant does

Vaillant is a German heating technology manufacturer headquartered in Remscheid, founded in 1874 and operating within the broader Vaillant Group (approximately 17,000 employees globally). The company designs, manufactures, and distributes residential heating, cooling, and energy systems — air-to-water, ground-source, and groundwater heat pumps (aroTHERM plus, aroTHERM pro, aroTHERM perform, geoCOMPACT exclusive); gas condensing boilers (ecoTEC plus/exclusive, ecoVIT, ecoCOMPACT); oil condensing boilers (icoVIT); hybrid heat pump + gas systems; solar thermal; photovoltaic modules with SolarEdge inverters and battery storage; split and multi-split air conditioning (climaVAIR); and decentralized ventilation (recoVAIR 60). Underlying technology includes natural refrigerant R290 across the heat pump range, the patented IoniDetect combustion detection system enabling 3-year maintenance intervals, Sound Safe noise-reduction engineering, and the sensoCOMFORT controller integrated with the myVAILLANT App and myVAILLANT connect internet module. The business model is primarily B2B2C hardware sales through a certified installer network (Fachpartner) augmented by recurring digital and service revenue (OptimierungPLUS remote optimization, EnergiePLUS smart energy management, GarantiePLUS 5-year warranty, and maintenance contracts), with over 320 in-house factory service employees supporting installations across Germany. Pricing for a base aroTHERM plus system starts at approximately €16,000, with German BEG subsidies covering up to 70% pre-July 2026 and up to 80% thereafter. Primary customer segments are single-family homeowners and multi-family property owners in the DACH region, with the company claiming more than 30 million households served cumulatively worldwide and Stiftung Warentest 'good' (2.3) and TÜV 'Very Good' ratings as third-party validation of product and service quality.

Name

Vaillant

Legal name

Vaillant

Website

https://vaillant.de

Company type

Private

Founded year

1874

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Vaillant is a 150-year-old German heating technology company serving residential single-family and multi-family homeowners in the DACH region through a network of certified installers, offering heat pumps, gas condensing boilers, hybrid systems, PV-plus-storage, and digital energy management services.

Ownership category

akta.pro rank

Product category

Residential Heating Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Boiler & Hydronic Heating Repair & Service (HSAOAHAG)

akta.pro secondary industries

Retail Supply + DER/Virtual Power Plant Bundles (Solar, Storage, DR) (EUAGABAI), Residential DER Aggregation & VPPs (Solar+Storage, Smart Home, Community) (EUAFAHAA), Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

Keywords

• Residential heating systems
• Heat pump technology
• Gas condensing boilers
• Hybrid heating solutions
• Solar thermal energy

Headquarters

HQ city

Remscheid

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heat pump systems sales: Vaillant generates the majority of its revenue from the sale of heating equipment, particularly heat pumps (air-to-water, ground-source, groundwater), which represent the company's primary growth area. Products include outdoor units, indoor hydraulic stations, and complete system packages sold through a network of certified installation partners.
2. Gas condensing (Brennwert) boiler sales: Traditional revenue stream from gas wall-mounted units (ecoTEC series), floor-standing compact units (ecoCOMPACT, auroCOMPACT), and large-capacity gas condensing boilers (ecoVIT, ecoCRAFT). Also available with integrated hot water storage or as combi units.
3. Hybrid heating system sales: Combined heat pump and gas condensing boiler systems sold as integrated solutions, including the Hybrid-Kit for retrofitting existing gas installations with heat pumps.
4. Photovoltaic and battery storage systems: Sale of photovoltaic modules, inverters (from partner SolarEdge), and battery storage systems for residential energy generation and self-consumption optimization.
5. Service, maintenance, and extended warranty contracts: Recurring revenue from factory customer service, maintenance contracts (heat pump and gas heating), repair services, remote optimization services (OptimierungPLUS), and GuaranteePLUS extended warranty programs. Over 320 service employees provide on-site support.
6. Digital energy management services: Revenue from digital services including EnergiePLUS smart energy management (aligned with dynamic electricity tariffs and PV self-consumption), remote monitoring, and the kwkCONNECT platform for CHP systems.
7. Solar thermal and accessories: Solar collectors, solar hot water tanks, solar combination storage, solar stations, ventilation units, climate control (climaVAIR), direct electric water heaters, and system accessories including fan coil units and drinking water stations.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

Vaillant manufactures and sells residential heating systems and renewable energy equipment, including air-to-water and ground-source heat pumps, gas condensing boilers, hybrid heating systems, solar thermal collectors, photovoltaic modules with battery storage, hot water storage tanks, and smart home control systems. The portfolio is complemented by digital services for remote optimization and energy management, as well as extended warranty and maintenance programs sold primarily through a network of certified installation partners in Germany and Europe.

Product overview

Vaillant offers a comprehensive heating and energy solution portfolio focused on residential and commercial buildings in the DACH region. The product ecosystem centers on heat pumps (air-to-water and ground-source models including aroTHERM plus, aroTHERM pro, aroTHERM perform, and geoCOMPACT exclusive), supported by gas condensing technology (ecoTEC plus/exclusive, ecoCOMPACT, auroCOMPACT, ecoVIT), and oil condensing solutions (icoVIT). These heating systems integrate with hot water storage (uniSTOR plus series), system controllers (sensoCOMFORT), and smart home connectivity (myVAILLANT App, myVAILLANT connect). Digital services include OptimierungPLUS (remote optimization), EnergiePLUS (cost-optimized energy management using weather forecasts and dynamic electricity prices), and GarantiePLUS (extended warranty). The portfolio extends to air conditioning (climaVAIR plus/multi), ventilation (recoVAIR 60), photovoltaic systems with SolarEdge batteries/inverters, and hybrid systems combining heat pumps with gas boilers. Vaillant positions itself as a complete system provider with over 150 years of experience serving more than 30 million satisfied households worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• aroTHERM plus

Quantifiable outcome

• Up to 52% lower annual operating costs compared to gas or oil heating
• +9 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature11 records

Partnerships

One partnership is on record.

• SolarEdgecoreTechnology or IntegrationVaillant partners with SolarEdge for photovoltaic inverters and battery storage systems. SolarEdge Home Hub inverters provide backup power capability for PV installations, enabling households to continue consuming solar electricity during grid outages. Vaillant offers SolarEdge batteries (4-24 kWh capacities, high-voltage and low-voltage, fixed or modular) as part of its residential energy storage portfolio. The partnership enables Vaillant to offer complete residential energy systems combining heat pumps with PV generation and storage.

Scale indicators11 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Junkers (Bosch Home Comfort): Legacy Bosch-owned heating brand active across Europe with a portfolio of condensing boilers, heat pumps, and controls. Direct competitor in residential heating, often overlapping with Vaillant at the installer counter.
• Wolf (Bosch Home Comfort): Mid-sized German heating brand (now Bosch-owned) offering gas condensing, heat pumps, and ventilation for residential and small commercial. Comparable to Vaillant in target customer and channel but smaller in scale and brand recognition.
• Viessmann (Carrier): German heating manufacturer (now under Carrier) with a comparable portfolio of heat pumps, condensing boilers, PV, and storage. Closest head-to-head competitor to Vaillant in DACH, with overlapping installer channels and similar positioning around sustainability and digital services.
• NIBE Energy Systems: Swedish heat pump specialist with strong European residential and commercial positioning. NIBE's focus on ground-source and exhaust-air heat pumps is technologically and geographically comparable to Vaillant's geoCOMPACT and aroTHERM ranges.
• Buderus (Bosch Home Comfort): Buderus is the German Bosch-owned heating brand with strong installer recognition in gas condensing boilers, heat pumps, and large commercial heating systems. Direct competitor to Vaillant in nearly every product category and channel.
• Bosch Home Comfort (Thermotechnology): Part of the Bosch Group, this division manufactures gas condensing boilers, heat pumps, hybrid systems, and commercial HVAC. It competes head-to-head with Vaillant across the German heating market and shares a similar channel-based go-to-market through certified installers.
• Mitsubishi Electric Europe: Manufacturer of the Ecodan air-to-water and ground-source heat pump lines, with growing share in European residential and commercial heating. Comparable to Vaillant in heat pump technology and increasingly overlapping in smart controls and refrigerant innovation.
• Daikin Europe: Global HVAC leader with strong residential heat pump and air-conditioning presence in Europe. Daikin's Altherma line competes directly with Vaillant's aroTHERM family, and its larger scale and R&D budget make it the most credible outsider threat to established DACH heating brands.
• Stiebel Eltron: German family-owned manufacturer specializing in heat pumps (including the award-winning WPL line), hot water, and ventilation. Directly competes with Vaillant in residential heat pumps and shares a German-engineering brand narrative, though without Vaillant's gas-boiler legacy.
• BDR Thermea Group: European heating group owning brands such as De Dietrich Thermique, Baxi, Remeha, and Brötje. Direct peer in residential and commercial heat pumps, condensing boilers, and hybrid systems across multiple European markets including DACH.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/vaillant_de

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