BITZER Kuhlmaschinenbau

What BITZER Kuhlmaschinenbau does

BITZER Kuhlmaschinenbau is a privately held German manufacturer of refrigeration and air-conditioning compressors headquartered in Sindelfingen, Germany. Founded in 1934 and owned by THE SCHAUFLER FOUNDATION, the company is the world's largest independent producer of refrigeration compressors and is uniquely capable of manufacturing all three primary compressor types — reciprocating, screw, and scroll — within a single portfolio. Its product range spans compact compressors for commercial use through high-performance industrial units, complemented by heat exchangers and pressure vessels, electronic controls (via subsidiary BITZER Electronics), ammonia compressor packs, and digital tools including BITZER Software v7.1.7.1 for product selection and the ePARTS spare parts portal.

The company's go-to-market combines direct enterprise field sales through subsidiaries in 40+ countries with an authorized distributor network and the Green Point service network of more than 50 locations providing repair, overhaul, and original spare parts. BITZER generates revenue primarily through hardware sales of compressors, heat exchangers, pressure vessels, and electronic components, supplemented by professional services including after-sales support, training through the SCHAUFLER Academy, and warranty management. The company's value proposition emphasizes energy efficiency, low life-cycle costs, reliability, and expertise in natural refrigerants — ammonia since 1973, hydrocarbons since 1990, and CO2 since 1998 — positioning it for regulatory-driven transitions away from high-GWP HFCs under the EU F-Gas Regulation and Kigali Amendment.

In 2025, BITZER reported consolidated revenue of €1.135 billion with 4,500 employees across 74 locations. The group includes strategic subsidiaries such as ElectraTherm (ORC waste-heat-to-power, acquired 2016), Wurm Group (refrigeration automation, acquired 2019), OJ Electronics (HVAC controls, acquired 2023), VaCom Technologies, and Armaturenwerk Altenburg. Recent strategic moves include a joint venture with Mitsubishi Electric Hydronics & IT Cooling Systems for HVAC and IT cooling compressor development (November 2025) and a pilot participation in SAP's Project Embodied AI with NEURA Robotics for warehouse automation.

Name

BITZER Kuhlmaschinenbau

Legal name

BITZER Kühlmaschinenbau GmbH

Website

https://bitzer.de

Company type

Private

Founded year

1934

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

BITZER Kuhlmaschinenbau is a privately held German manufacturer and the world's largest independent producer of refrigeration and air-conditioning compressors, uniquely offering all three primary compressor types (reciprocating, screw, and scroll) to commercial, industrial, transport, and IT cooling customers globally.

Ownership category

akta.pro rank

Product category

Refrigeration Compressors

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Pump and Compressor Manufacturing (33391), Air and Gas Compressor Manufacturing (333912), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Refrigeration & Service Industry Machinery (3580), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Compressors, Refrigeration Components & Condensing Units (IMADANAG)

akta.pro secondary industries

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH), Controls, Monitoring & Condition Management (for Pumps/Compressors) (IMAHANAI), Air & Gas Compressors (General Purpose) (IMAHANAE)

Keywords

• Refrigeration compressors
• Industrial refrigeration equipment
• Heat exchangers and pressure vessels
• Electronic compressor controls
• Natural refrigerant technology

Headquarters

HQ city

Sindelfingen

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Compressor Sales: Sale of reciprocating, screw, and scroll compressors for refrigeration, air conditioning, heat pumps, and transport applications. Products range from compact compressors for commercial use to high-performance industrial units.
2. Heat Exchangers and Pressure Vessels: Production and sale of shell and tube condensers, evaporators, heat exchangers, and pressure vessels for commercial and industrial refrigeration systems.
3. Electronic Components: Sale of electronic control products, sensors, controllers, monitoring devices, and drives for HVAC-R applications.
4. Original Spare Parts: Sale of genuine BITZER spare parts through ePARTS system and authorized service centers for maintenance, repair, and overhaul of compressors.
5. Service and After-Sales: After-sales support, repair services, warranty management, and maintenance services through Green Point network and authorized service centers.
6. Training and Seminars: SCHAUFLER Academy offers application-oriented training courses, seminars, and certification programs for refrigeration and air-conditioning professionals.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

BITZER Kuhlmaschinenbau manufactures refrigeration and air-conditioning compressors across all three primary technologies (reciprocating, screw, and scroll), complemented by condensing units, heat exchangers, pressure vessels, ammonia compressor packs, and electronic controls. The company also provides digital selection software, spare parts via the ePARTS platform, and global repair services through the Green Point network. Its products serve commercial refrigeration, industrial cooling, transport refrigeration, air conditioning, and heat pump applications.

Product overview

BITZER Kuhlmaschinenbau is the world's largest independent manufacturer of refrigeration and air-conditioning compressors, producing all three primary compressor types — reciprocating, screw, and scroll — within a broad portfolio that spans physical products, digital tools, and services. The core product line comprises reciprocating compressors (semi-hermetic and open-drive, single and two-stage), screw compressors (semi-hermetic, open-drive, and compact), scroll compressors (hermetic), condensing units (single and two-stage), heat exchangers and pressure vessels (including the KE series water-cooled condensers with SmarTube selection software), electronic components (through BITZER Electronics with over five decades of experience), and ammonia compressor packs for low-charge industrial applications. Supporting the product portfolio is a suite of digital services including BITZER Software (a browser-based selection and calculation tool, v7.1.7.1), the ePARTS spare parts portal, myBITZER customer portal, the BITZER DIGITAL NETWORK, and the digital Refrigerant Report. Services include the global Green Point service network (50+ locations) for repair and overhaul, and the SCHAUFLER Academy (opened 2016 at Rottenburg-Ergenzingen) for training. The BITZER Group also encompasses subsidiaries acquired for strategic capabilities: BITZER Electronics (controls), ElectraTherm (ORC waste-heat-to-power, since 2016), VaCom Technologies (industrial refrigeration controls, California), Wurm Group (automation hardware/software, since 2019), OJ Electronics (HVAC controls, Denmark, since 2023), and Armaturenwerk Altenburg AWA (valves and fittings).

Differentiator

Problem solved

Functional benefit

Brands

• Green Point: Service and maintenance network for compressor repair and overhaul operations
• SCHAUFLER Academy
• BITZER Electronics

Products and services

• Reciprocating Compressors Semi-hermetic and open-drive reciprocating compressors for commercial and industrial refrigeration, available in single and two-stage configurations for applications including commercial refrigeration, industrial processes, and transport.
• Screw Compressors Semi-hermetic and open-drive screw compressors providing high capacity and efficiency for industrial refrigeration, air conditioning, and process cooling applications, available in compact configurations.
• Scroll Compressors Hermetic scroll compressors for commercial refrigeration, air conditioning, and heat pump applications, offering compact design, low noise operation, and high efficiency for stationary and mobile use.
• Condensing Units Pre-assembled condensing units combining compressors, condensers, and controls for plug-and-play commercial refrigeration, available in single-stage and two-stage configurations.
• Heat Exchangers and Pressure Vessels Shell-and-tube condensers, evaporators, and pressure vessels for refrigeration systems, complemented by the KE series water-cooled condensers and the SmarTube selection software for heat exchanger sizing.
• Electronic Components Electronic controls, monitoring devices, sensors, variable speed drives, and IQ modules that optimize compressor and system performance, integrated into BITZER's broader product ecosystem.
• Ammonia Compressor Packs Pre-packaged ammonia (R717) refrigeration systems designed for industrial applications, offering low-charge ammonia solutions that address safety and complexity concerns while supporting natural refrigerant decarbonisation strategies.
• Green Point Service Network Global service and maintenance network with over 50 locations providing compressor repair, overhaul, and original spare parts, supporting the full product lifecycle and contributing to circular economy and CO2-equivalent savings through energy-efficient repairs.
• SCHAUFLER Academy Training Programmes International training centre offering application-oriented training under realistic system conditions, seminars on natural refrigerants, energy efficiency, and heat pump technologies, plus programmes for recruiting refrigeration professionals.
• BITZER Software (Selection & Calculation Tools) Web-based software suite (v7.1.7.1) for compressor selection, system design, and performance calculation covering reciprocating, screw, scroll compressors, condensing units, CO2 systems, and HEX SmarTube heat exchanger selection.
• ePARTS Spare Parts Portal Online spare parts lookup tool listing BITZER products by model range with zoomable drawings; registered myBITZER customers gain access to online pricing and additional advanced features.
• Wurm Group Refrigeration Automation Solutions Hardware and software automation solutions for refrigeration systems and buildings, with over 20 years of experience in food refrigeration and technology leadership in German and European markets, offered as a BITZER Group company since 2019.
• OJ Electronics HVAC and Underfloor Heating Controls Electronic controls for underfloor heating, HVAC controls, and drives, headquartered in Denmark and distributed globally through partners and distributors with subsidiaries in the US and Poland, offered as a BITZER Group company since 2023.
• ElectraTherm Organic Rankine Cycle (ORC) Systems Organic Rankine cycle (ORC) technology for emission-free electricity generation from waste heat, internal combustion engines, biomass, geothermal energy, and flare gas; ORC systems are deployed at BITZER's Rottenburg-Ergenzingen site, offered as a BITZER Group subsidiary since 2016.
• VaCom Technologies Industrial Refrigeration Controls California-based company founded in 1992 specializing in development, analysis, consulting, and performance and energy monitoring for industrial refrigeration control systems.
• Armaturenwerk Altenburg (AWA) Valves and Fittings Thuringia-based company and one of Europe's leading manufacturers of valves, sight glasses, and fittings for refrigeration and air conditioning applications.

Quantifiable outcome

• Up to 20% reduction in material use per kW of cooling capacity across compressor series
• +3 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability3 records

Feature6 records

Partnerships

Five partnerships are on record, tiered minor, core and flagship.

• North American Sustainable Refrigeration Council (NASRC)minorGTM or Marketing Partner · 24 March 2026BITZER provided funding support for the NASRC 2026 Food Retailer Survey Report, which provides insights into the industry's transition from high-GWP refrigerants. The survey projects total CO2 systems will surpass 10,000 by 2029.
• SAPcoreTechnology or Integration · 13 January 2026BITZER partnered with SAP to test Project Embodied AI using NEURA's 4NE1 humanoid robot for AI-driven warehouse automation. The proof-of-concept pilot at BITZER's facilities demonstrated seamless integration without middleware, autonomous task execution, 24/7 operational capability, and reduced operational errors in material ordering. SAP plans further proofs of concept as it assesses embodied AI business value for customers.
• Mitsubishi Electric Hydronics & IT Cooling SystemsflagshipStrategic or Co-development Partner · 14 November 2025Mitsubishi Electric Hydronics & IT Cooling Systems (a subsidiary of Mitsubishi Electric Corporation) and BITZER established a joint venture in Germany to develop compressors for HVAC and IT cooling applications. The new company aims to unify development processes, improve efficiency, and strengthen competitiveness in global markets.
• NEURA RoboticscoreTechnology or Integration · 5 November 2025NEURA Robotics partnered with SAP for the Embodied AI initiative, with BITZER as a pilot customer demonstrating the 4NE1 humanoid robot performing autonomous warehouse tasks integrated with SAP's business logic through SAP S/4HANA and SAP Extended Warehouse Management.
• THE SCHAUFLER FOUNDATIONcoreOthersFounded by Senator h.c. Peter Schaufler in 2005 to provide long-term guidance and ensure BITZER remains independent. The foundation focuses on refrigeration and air conditioning technology research, and operates the SCHAUWERK Sindelfingen art museum.

Scale indicators13 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Copeland (Emerson Climate Technologies): Emerson's Climate Technologies business (now being separated as Copeland) is the closest direct competitor to BITZER in scroll and semi-hermetic compressors for HVAC and refrigeration, with overlapping OEM customer base in commercial and industrial refrigeration.
• Danfoss: Danfoss is a Danish manufacturer of compressors, valves, and electronic controls for refrigeration and HVAC — directly comparable to BITZER across compressors, heat exchangers, and control electronics with similar global OEM/distributor GTM.
• GEA Group: GEA's Refrigeration Technologies division serves industrial refrigeration and heat-pump customers with compressor packages and system solutions, including ammonia-based systems — directly comparable to BITZER's industrial refrigeration and ammonia compressor pack offerings.
• Mayekawa (Mycom): Mayekawa (Mycom) is a Japanese manufacturer specializing in screw and reciprocating industrial refrigeration compressors, particularly ammonia systems, competing head-to-head with BITZER in industrial food processing and cold-storage applications.
• Dorin Refrigeration: Dorin is an Italian manufacturer of semi-hermetic and hermetic reciprocating compressors for commercial and industrial refrigeration, with comparable OEM customer base and overlapping natural-refrigerant (CO2, hydrocarbon) product lines.

Broad incumbents

• Carrier Global: Carrier is a broad HVAC and refrigeration incumbent with overlapping compressor and condensing-unit capabilities, but its portfolio spans the full HVAC system (commercial, residential, transport) rather than specializing in compressor technology like BITZER.
• Trane Technologies: Trane Technologies provides commercial and industrial HVAC equipment and services, including refrigeration compressor technologies via its Thermo King transport unit, overlapping with BITZER's transport-refrigeration and commercial refrigeration segments.
• Johnson Controls: Johnson Controls is a global building solutions provider with a York-branded HVAC and commercial refrigeration equipment portfolio, including compressor-based chillers and condensing units that overlap with BITZER's commercial refrigeration product lines.
• Mitsubishi Electric (Hydronics & IT Cooling): Mitsubishi Electric is a broad HVAC and IT cooling incumbent and is BITZER's joint venture partner for HVAC/IT-cooling compressors; comparable through its compressor and chiller product lines serving commercial and data-center customers.

Emerging players

• LG Electronics (HVAC): LG's HVAC business is an emerging global player in scroll and rotary compressors for residential and commercial air-conditioning, competing with BITZER particularly in mid-market commercial AC and heat-pump applications.

Market position

Strengths1 record

Weaknesses1 record

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/BitzerGmbH
• Facebookfacebook.com/BITZERGroup
• LinkedInlinkedin.com/company/bitzer
• Instagraminstagram.com/bitzer_group
• Xx.com/bitzergroup

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries6 records

Funding overview

Funding rounds1 record

Investors1 record

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 BITZER Kuhlmaschinenbau