Sondex Deutschland GmbH

What Sondex Deutschland GmbH does

Sondex Deutschland GmbH is a German subsidiary located in Winsen (Luhe), Lower Saxony, with 19 employees, operating as part of the Danfoss Group following Danfoss A/S's July 2016 acquisition of Sondex Holding A/S. The company contributes to Danfoss's Climate Solutions heat exchanger portfolio, which spans brazed, gasketed, and welded plate heat exchangers engineered for high heat transfer efficiency in HVAC systems and industrial applications. Within the broader Danfoss Group, the entity sits alongside product lines including Danfoss Turbocor oil-free centrifugal compressors, VLT HVAC drives, ECL Comfort electronic controllers, VXe and DSA1 substations, and the Leanheat software suite (Monitor, Production, Network, Building). The Danfoss portfolio serves data centers, district energy networks, commercial and residential buildings, food and beverage, refrigeration and air conditioning, mobile hydraulics, water and wastewater, and energy and natural resources applications. Danfoss Group generated EUR 10.7 billion in 2023 sales across hardware-dominant revenue streams (industrial components and systems sales), supplemented by software and digital services (Leanheat suite as SaaS-style subscriptions) and professional services for application engineering and commissioning. Go-to-market combines enterprise direct field sales, OEM embedded partnerships (e.g., Turbocor compressors inside Smardt chillers), channel distributors and resellers, a Product Store e-commerce storefront, and a system integrator network. Pricing is quote-based and tailored to OEM, utility, and industrial customer specifications under multi-year contracts.

Name

Sondex Deutschland GmbH

Legal name

Sondex Deutschland GmbH

Website

https://sondex.de

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Sondex Deutschland GmbH is a German subsidiary (Winsen, Lower Saxony; 19 employees) of Danfoss A/S, contributing to the Danfoss Group's Climate Solutions heat exchanger portfolio serving HVAC, district energy, data centers, and industrial customers.

Ownership category

akta.pro rank

Product category

Industrial Heat Exchangers

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)

Keywords

• Plate heat exchangers
• Brazed heat exchangers
• Gasketed heat exchangers
• HVAC components
• Industrial heat transfer

Headquarters

HQ city

Nordborg

HQ country

Denmark

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Components and Systems Sales: Danfoss generates the majority of its revenue from the sale of physical components and integrated systems across three segments: Power Solutions (hydraulics), Climate Solutions (HVAC/R, district energy), and Power Electronics and Drives. Revenue is primarily generated through direct sales to industrial OEMs, utilities, and end customers, as well as through distributor and channel partner networks. The company reported EUR 10.7 billion in sales in 2023.
2. Software and Digital Services: Danfoss generates ancillary revenue from software solutions including the Leanheat Software Suite (Leanheat Monitor, Leanheat Production, Leanheat Network, Leanheat Building), ECL Tool, and related digital services for district energy optimization, building management, and network simulation. These are delivered as SaaS-style subscriptions and software licenses.
3. Professional Services and Commissioning: Revenue from application engineering, commissioning, and technical services associated with complex system deployments, including Application Development Centers, joint projects, and customer workshops.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels9 records

Core offering

Sondex Deutschland GmbH, a German subsidiary of Danfoss A/S since the 2016 acquisition of Sondex Holding A/S, manufactures and sells plate heat exchangers — brazed, gasketed, and welded variants — engineered for HVAC systems and industrial heat transfer applications. The company operates from Winsen (Luhe) in Lower Saxony and functions within the parent group's Climate Solutions segment, delivering components that optimize energy efficiency and thermal performance in demanding environments.

Product overview

Danfoss offers a comprehensive portfolio of climate solutions, power solutions, and electrification technologies. The product ecosystem includes heat exchangers (brazed, gasketed, and welded types), electronic controllers (ECL Comfort series), substations (VXe and DSA1), and the Leanheat software suite comprising Monitor, Production, Network, and Building modules. Danfoss Turbocor oil-free compressors power chiller solutions, while VLT HVAC drives provide variable frequency control for building systems. The portfolio serves data centers, district energy, food and beverage, and industrial applications, with digital twin technology and AI-powered optimization capabilities in the Leanheat Building module. Note: Sondex Deutschland GmbH was acquired by Danfoss in 2016.

Differentiator

Problem solved

Functional benefit

Products and services

• Brazed Heat Exchangers Brazed plate heat exchangers engineered for exceptional heat transfer efficiency, optimized for HVAC systems and industrial applications requiring compact, leak-free construction.
• Gasketed Heat Exchangers Gasketed plate heat exchangers designed for peak performance and durability in demanding environments, allowing plate pack disassembly for cleaning and maintenance in industrial process applications.
• Welded Heat Exchangers Welded plate heat exchangers optimized for industrial applications requiring robust performance under high pressure, temperature extremes, and aggressive media.

Quantifiable outcome

• Over 30% energy savings in data center cooling with SmardtLift low-lift configuration
• +5 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• BOCK CompressorscoreStrategic or Co-development Partner · 1 January 2023Danfoss acquired BOCK Compressors in 2023, expanding its compressor portfolio for the cooling industry. With BOCK, Danfoss now offers one of the most comprehensive compressor portfolios in the cooling industry, spanning reciprocating and centrifugal technologies.
• First Movers CoalitioncoreStrategic or Co-development Partner · 1 January 2023Danfoss joined the First Movers Coalition (FMC) — led by the World Economic Forum and US Department of State — committing to procure at least 10% low-carbon aluminum and 50% secondary aluminum by 2030. The coalition comprises 82 global companies targeting decarbonization of hard-to-abate sectors (aluminum, aviation, chemicals, concrete, shipping, steel, trucking).
• Eaton (Hydraulics Business)coreStrategic or Co-development Partner · 1 January 2021Danfoss acquired Eaton's Hydraulics business in 2021 for approximately USD 3.3 billion, building a leading position within mobile and industrial hydraulics. Integration remained on track through 2023.
• Smardt Chiller GroupcoreTechnology or Integration · 1 July 2012Smardt Chiller Group is a longtime OEM partner of Danfoss, integrating Danfoss Turbocor oil-free centrifugal compressor technology into its chillers. The partnership includes co-development of the SmardtLift low-lift configuration for high-efficiency data center cooling, achieving >30% energy savings. The collaboration has enabled NEXTDC's M1 Melbourne to achieve a 5-star NABERS rating.
• NEXTDCcoreStrategic or Co-development PartnerNEXTDC is a market-leading data center operator in Australia (ASX-listed) providing enterprise-class colocation services. Danfoss and Smardt have provided cooling solutions for NEXTDC's M1 Melbourne facility (15MW hyperscale colocation) and are rolling out SmardtLift low-lift chiller configuration across NEXTDC's fleet. NEXTDC's M1 became the first data center in Australia to achieve a 5-star NABERS rating.
• University of Southern Denmark (SDU)coreStrategic or Co-development PartnerDanfoss and SDU collaborated to build 'Bitten' — Denmark's most advanced energy-efficient AI supercomputer in Sønderborg. Danfoss provided liquid cooling with full heat recovery integrated into the local energy system. The supercomputer is part of Denmark's national research infrastructure, accessible via UCloud (23,000+ users). Project demonstrates scalable approach to energy-efficient AI infrastructure.
• HPE (Hewlett Packard Enterprise)coreStrategic or Co-development PartnerHPE collaborated with Danfoss and SDU to design and deliver infrastructure for the Bitten AI supercomputer. HPE provided the computing infrastructure while Danfoss contributed cooling and energy optimization technology. The project serves as a replicable model for building energy-efficient AI infrastructure globally, demonstrating that AI infrastructure can be built responsibly with waste heat reuse.
• EndeavourminorStrategic or Co-development PartnerEndeavour and Danfoss co-innovated solutions to minimize water use in AI-ready data centers, redefining zero-water cooling for next-generation high-density computing workloads.
• UCloud (European Sovereign Research Cloud)minorStrategic or Co-development PartnerUCloud is a European sovereign research cloud platform hosting the Bitten supercomputer. With 23,000+ users, UCloud makes the national AI supercomputer accessible to researchers and students at universities throughout Denmark. Data, software, and computations remain under national and European control.
• Eurasburg Municipality (Germany)minorStrategic or Co-development PartnerDanfoss provided VXe substations, DSA1 mini stations, and Leanheat Monitor SCADA solution for Eurasburg's local wood chip heating network supplying 80 buildings. Project demonstrates transition from oil boilers to sustainable local heating in rural community, achieving ~90% system utilization.
• Semikron (Semikron Danfoss)coreStrategic or Co-development PartnerDanfoss and Semikron combined their power electronics operations to form Semikron Danfoss in 2022, targeting a leading position in power semiconductor modules and assemblies for electrification applications including EVs, industrial drives, and renewable energy.
• Sønderborg MunicipalityminorStrategic or Co-development PartnerSønderborg Municipality's ambition to build a fully CO₂ neutral energy system provided the sustainability framework for the Bitten supercomputer project. Waste heat from the supercomputer is integrated into the municipal energy system.

Scale indicators11 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Carrier Global: Diversified HVAC/R manufacturer and OEM customer of plate heat exchangers; competes with Danfoss Climate Solutions at the chiller and air-conditioning system level while sourcing similar components.
• Johnson Controls: Building HVAC, controls, and district energy incumbent whose YORK chillers and building automation platforms overlap with Danfoss's ECL + Leanheat + heat exchanger stack.
• Vertiv: Critical digital infrastructure provider with thermal management products (Liebert cooling, rear-door and immersion) that directly compete with Danfoss's data center liquid cooling architecture and its plate heat exchanger core.
• Trane Technologies: Global HVAC OEM whose chillers and air-handling units incorporate plate heat exchangers from suppliers like Sondex/Danfoss — a broader incumbent that buys competing components and sets the system-level specification.

Direct peers

• Kelvion: Specialist in plate, shell-and-tube, and welded heat exchangers with a strong HVAC/R and data center cooling footprint; directly comparable in product line and target applications to Sondex Deutschland.
• Modine Manufacturing: Heat transfer specialist with strong positions in HVAC&R coils, data center liquid cooling, and industrial heat exchangers; competes with the Danfoss/Sondex heat exchanger line in cooling coils and refrigerant-to-water exchangers.
• SWEP (Dover Corporation): SWEP is the global benchmark for brazed plate heat exchangers (BPHEs), used across HVAC, district heating, and refrigeration — competing head-to-head with Danfoss's brazed plate offering.
• Alfa Laval: Global leader in brazed, gasketed, and welded plate heat exchangers serving HVAC, refrigeration, and industrial process markets — the closest direct competitor to Sondex Deutschland's plate heat exchanger portfolio within the Danfoss Climate Solutions segment.
• API Heat Transfer: Manufacturer of plate heat exchangers, shell-and-tube units, and thermal management products for HVAC, refrigeration, and industrial processes — directly overlapping Sondex Deutschland's brazed/gasketed/welded plate portfolio.

Emerging players

• Xylem: Water and utility technology company that entered data center liquid cooling through Evoqua and wedged into the same hyperscaler thermal management opportunity that drives Danfoss/Sondex heat exchanger demand.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sondex-deutschland-gmbh

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 Sondex Deutschland GmbH