Viessmann

What Viessmann does

Viessmann Climate Solutions, founded in 1917 in Allendorf (Eder), Germany, designs, manufactures, and services integrated climate and energy systems for residential, commercial, municipal, and industrial customers. The product portfolio spans air-to-water, brine-to-water, and hot-water heat pumps (Vitocal series), gas and oil condensing boilers (Vitodens, Vitorondens), solar thermal collectors (Vitosol, including the patented ThermProtect switching-layer coating), photovoltaic modules (Vitovolt), battery storage (Vitocharge VX3), EV charging stations, ventilation, combined heat and power (CHP/BHKW), and industrial large boilers (Vitomax). Three proprietary technologies underpin the hardware offering: the Inox-Radial stainless-steel heat exchanger used across condensing units (up to 98% efficiency), the Lambda Pro Control combustion system in Vitodens gas boilers, and the ThermProtect coating that prevents stagnation-induced steam formation in flat-plate collectors above 75°C. An integrated digital layer — ViCare App, Viessmann Energy Management, Viessmann One Base, and the Viessmann Home customer portal — connects installed equipment for monitoring, optimization, and remote control, and the Climate Solutions Community hosts over 30,000 registered users.

The business model is overwhelmingly a hardware-sale channel model: products are distributed exclusively through a certified network of heating specialists (Fachpartner) and System Profi Partners, supported by Viessmann PartnerPortal and PartnerShop B2B platforms, lead-generation tools (Viessmann Leads, ViContact), and the ViGuide planner. Recurring revenue is generated through installation, maintenance, and service contracts via the partner network, plus the Wärme+Strom rental/financing subscription for heating and PV systems and the Viessmann Home energy-management service layer. Pricing is not publicly listed; customers configure systems via an online System Configurator and consult certified partners, with government subsidies (e.g., German BEG/KfW up to 70% for heat pumps, plus a 2026 Modernization Bonus of up to €1,000) materially shaping end-customer economics.

Since 2024, Viessmann Climate Solutions has been a wholly-owned subsidiary of Carrier Global Corporation following a €12 billion acquisition that repositioned Carrier as a pure-play climate and energy solutions company. The company operates across approximately 40 countries in Europe, Asia, the Middle East, North America, and Oceania, serves five primary segments (Residential homeowners; Industry and Commerce; Municipalities and Communities; Housing Industry; and certified Trade Partners), and claims the leading position in European residential heating post-Carrier integration, alongside a 30.4% share of the German geothermal heat pump market and more than 1.8 million geothermal heat-pump units deployed across Europe.

Name

Viessmann

Legal name

Viessmann Climate Solutions

Website

https://viessmann.de

Company type

Private

Founded year

1917

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Viessmann Climate Solutions is a German manufacturer of integrated heating, cooling, ventilation, and renewable-energy systems (heat pumps, boilers, solar, PV, battery storage) sold exclusively through certified installer partners to residential, commercial, municipal, and industrial customers across roughly 40 countries; wholly owned by Carrier Global Corporation since a €12 billion acquisition in 2024.

Ownership category

akta.pro rank

Product category

Heating and Climate Solutions Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (332410), Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (423720), Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers (42373), Refrigeration Equipment and Supplies Merchant Wholesalers (423740)

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), Cogeneration Services & Small Power Producers (4991), Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070)

akta.pro primary industry

Chillers & Cooling Plant Equipment (IMAHAKAE)

akta.pro secondary industries

Heat Pump & Smart HVAC Controller Integration (HSAOANAD), Virtual Power Plants & Aggregation Market Access (DER Aggregation, Dispatch, Settlement) (EUAMAMAE), HVAC Parts & Supplies Retail (Thermostats, Filters, Ducting) (CRAIADAI), Retail Supply + DER/Virtual Power Plant Bundles (Solar, Storage, DR) (EUAGABAI)

Keywords

• Heating systems manufacturing
• Heat pump solutions
• Climate control equipment
• Renewable energy systems
• Building energy management

Headquarters

HQ city

Allendorf-eder

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heating Equipment and Climate Solutions Sales: Viessmann generates revenue primarily through the sale of heating equipment including heat pumps, condensing boilers, solar thermal systems, PV modules, battery storage, and related components. Products are sold exclusively through certified heating specialist trade partners. The company also offers rental/financing options through Viessmann Wärme+Strom (heating and electricity rental model).
2. Digital Services and Energy Management: Viessmann generates recurring revenue through digital services including ViCare App connectivity, energy management systems, and cloud-based monitoring and control services. The company also earns revenue from installation, maintenance, and service contracts through its network of certified partners.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

Viessmann manufactures and distributes an integrated portfolio of climate and energy solutions including heat pumps (air-to-water, brine-to-water, and hot water variants), gas and oil condensing boilers, hybrid heating systems, solar thermal collectors, photovoltaic modules, battery storage systems, EV charging stations, ventilation systems, combined heat and power (CHP) units, and industrial-scale boilers. The portfolio is unified through proprietary digital platforms (ViCare App, Viessmann Energy Management, Viessmann One Base) that enable real-time monitoring, control, and optimization of household and commercial energy flows. Products are sold exclusively through a network of certified heating specialist trade partners across Europe, Asia, and North America.

Product overview

Viessmann Climate Solutions offers an integrated portfolio of climate and renewable energy solutions spanning heating, cooling, ventilation, and energy management. The product ecosystem is organized around a platform-plus-modules architecture: the core offerings include heat pumps (Vitocal series - air-to-water, brine-to-water, and hot water variants), gas and oil condensing boilers (Vitodens, Vitorondens series), solid fuel boilers (Vitoligno), solar thermal collectors (Vitosol with ThermProtect technology), and photovoltaic systems (Vitovolt modules). These are complemented by battery storage (Vitocharge VX3), EV charging stations, and ventilation systems. The offering is unified through proprietary platforms including the ViCare App for smartphone control and monitoring, Viessmann Energy Management for real-time energy flow optimization, Viessmann One Base for integrated system management, and Viessmann Home as a customer portal. A service layer includes the Climate Solutions Community (30,000+ users), heating/PV rental (Wärme+Strom), professional installation network, and TÜV-certified building energy savings check. The company also provides industrial-scale solutions including large boilers (Vitomax), CHP units, and municipality heating systems. Viessmann operates as a subsidiary of Carrier Global Corporation following the €12 billion acquisition in 2024.

Differentiator

Problem solved

Functional benefit

Products and services

• Vitocal 250-A
• Vitocal 262-A
• Vitocal 250-A Compact
• Vitocharge VX3
• Vitovolt 300
• Viessmann Charging Station
• ViCare App
• Viessmann Energy Management
• Viessmann One Base
• Viessmann Home
• Viessmann Wärme+Strom
• Industrial Large Boilers (Vitomax series)
• Blockheizkraftwerk (BHKW / CHP)
• Residential Air Source Heat Pump (New 2026 model)

Quantifiable outcome

• SCOP of 4.5 achieved by Vitocal 150-A heat pump installations, 46% above government threshold of 2.8
• +3 more outcomes

Named customers6 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

Feature9 records

Partnerships

Five partnerships are on record, tiered flagship and core.

• Carrier Global CorporationflagshipStrategic or Co-development Partner · 1 January 2024Carrier Global Corporation completed the €12 billion acquisition of Viessmann Climate Solutions in 2024. The acquisition transformed Carrier into a pure-play climate and energy solutions company. Viessmann Climate Solutions operates as a subsidiary of Carrier, contributing to Carrier's claimed #1 position in European residential heating and approximately 15-18% of the U.S. residential HVAC market.
• Pacifica Group (Home Services Division)coreStrategic or Co-development Partner · 20 January 2022Viessmann completed a management buyout of Pacifica Group's Home Services division in County Durham, UK, in partnership with the senior management team. The acquisition includes Pacifica's renewable energy solutions and aims to support UK net-zero goals and the ban on gas boilers for new builds from 2025.
• TenneT GermanycoreStrategic or Co-development PartnerViessmann partnered with transmission system operator TenneT Germany on the nearly three-year ViFlex pilot project demonstrating that residential heat pumps can serve as flexible consumers for grid congestion management under real-world conditions.
• TransnetBWcoreStrategic or Co-development PartnerViessmann partnered with transmission system operator TransnetBW on the ViFlex pilot project demonstrating grid congestion management through residential heat pumps.
• FC Bayern MunichcoreGTM or Marketing PartnerViessmann maintains an extended climate partnership with Bayern Munich football club. The partnership includes the FC Bayern Munich women's team and former Olympic biathlete Denise Herrmann-Wick supporting the 'Together we power on' International Women's Day initiative to highlight women's contributions in the HVAC sector.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Vaillant Group: Direct peer in European residential heating with strong German and UK presence (Vaillant, Saunier Duval, Bulex, Glow-worm). Competes with Viessmann in heat pumps, gas condensing boilers, and renewable heating solutions via installer channels.
• NIBE Energy Systems: Swedish direct peer and leading European heat pump manufacturer. Closely comparable in geothermal and air-source heat pump portfolio, Scandinavian market strength, and platform-driven approach to installer networks.
• Wolf GmbH (Centrotec): Direct peer in German heating market with heat pumps, condensing boilers, and ventilation. Comparable in installer-led residential go-to-market and technology portfolio breadth.
• Stiebel Eltron: German-headquartered direct peer specializing in heat pumps, hot water heating, and ventilation. Directly comparable in technology focus (heat pumps, heat pump water heaters) and target segment (residential modernizations).
• BDR Thermea Group: Direct peer operating multiple residential heating brands (Baxi, Remeha, De Dietrich Thermique, Brötje). Competes directly with Viessmann across European markets in heat pumps, condensing boilers, and hybrid heating solutions.
• Daikin Europe: Direct peer and global HVAC leader with growing heat pump portfolio (Daikin Altherma). Competes across residential and light commercial heat pumps, increasingly in the same installer channels as Viessmann across Europe.
• Bosch Thermotechnology (Bosch Home Comfort): Direct peer and primary European competitor across residential and commercial heating (Buderus, Junkers, Worcester brands). Competes head-to-head with Viessmann in heat pumps, condensing boilers, and hybrid systems sold via installer networks across Germany and broader Europe.
• Mitsubishi Electric (Living Environment Systems): Direct peer in air-source heat pumps (Ecodan) and broader HVAC. Competes with Viessmann in residential heat pumps across European markets with strong Japanese technology base and broad product portfolio.

Broad incumbents

• Carrier Global Corporation: Parent company of Viessmann Climate Solutions since the 2024 €12 billion acquisition. Operates overlapping residential HVAC brands (Carrier, Toshiba) globally; relevant for portfolio positioning rather than direct same-brand competition.

Others

• Danfoss Climate Solutions: Component and controls supplier to the heating and cooling industry (compressors, valves, electronics). Adjacent enabling peer rather than direct competitor; supplies key components into Viessmann and competitor heat pump systems.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@ViessmannClimateSolutionsDE
• Facebookfacebook.com/viessmann
• LinkedInlinkedin.com/company/43338
• Instagraminstagram.com/viessmannclimatesolutionsde
• TikToktiktok.com/@viessmanncs_de
• Xx.com/Viessmann

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

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

M&A3 records

Investments2 records

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

Frequently asked questions about Viessmann