What Reflex Winkelmann does

Reflex Winkelmann GmbH is a German manufacturer of systems and components for heating, hot water supply, and water-based cooling, operating under the Reflex and SINUS brand families as part of the Winkelmann Group's Building + Industry division. Its product portfolio spans diaphragm expansion vessels (Reflex C/F/G/N/S/SL/V, Refix drinking-water series), compressor- and pump-controlled pressurisation stations (Reflexomat, Variomat), vacuum-spray tube degassing (Servitec), compact hydraulic modules (Reflex Greenbox), hot water and buffer storage tanks (Storatherm Aqua and Heat), heat exchangers (Longtherm), separation technology (Exvoid/Exdirt/Extwin), water treatment (Fillcontrol/Fillset/Fillsoft), hydraulic separators, and SINUS manifold solutions including the MultiFlow Center. Products comply with DIN EN 12828, VDI 4708, DIN EN 13831 and EU Pressure Equipment Directive 2014/68/EU, and increasingly integrate Bluetooth, RS485/Modbus RTU and the Control Smart mobile app for commissioning and monitoring.

The company monetises primarily through B2B hardware sales to HVAC contractors and installers, planners, architects and building owners, supplemented by commissioning, maintenance, repair and spare-parts services, the reflex4experts training programme, and a suite of free digital tools (Reflex Solutions Pro, PROSINUS®X, BIM@Reflex with Revit plugin, ErP Creator, Reflex Smart City AR app) used to drive specification-led demand. Distribution is exclusively direct B2B on a quote-based, euro-denominated, ex-works pricing model with no consumer-direct channel. Reflex Winkelmann operates eight global production sites — the newest being a 49,000 sqm Slovakia facility opened in July 2026 — and serves Germany, the UK, Belgium, France, the Netherlands, Poland, Slovakia, China and Egypt, with 2026 expansion pushes into Beijing (CRH) and Cairo (HVAC-R Egypt Expo) signalling targeted international growth. Leadership comprises CEO Dr. Sandra Bell, COO Alexander Eick, CSO Volker Mauel and CFO Carl-Philipp J. Rapp.

Name

Reflex Winkelmann

Legal name

Reflex Winkelmann GmbH

Website

https://reflex-winkelmann.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Reflex Winkelmann GmbH is a German B2B manufacturer of heating, hot water and water-based cooling systems (pressurisation, degassing, storage, heat exchangers, manifolds), selling exclusively to HVAC contractors, planners and building owners across Europe, MENA and China via specification-led channels.

Ownership category

akta.pro rank

Product category

HVAC Components & Building Hydraulics

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

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

akta.pro primary industry

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)

akta.pro secondary industry

Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG)

Keywords

• HVAC components
• Expansion vessels
• Pressurisation systems
• Heat interface units
• Building hydraulics

Headquarters

HQ city

Ahlen

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. HVAC Equipment Sales: Reflex Winkelmann generates revenue through the sale of hardware products including expansion vessels, pressurisation systems, degassing systems, hydraulic separators, water storage tanks, heat exchangers, and related components. Products are sold with associated services including commissioning, maintenance, and spare parts.
2. Professional Services: The company offers commissioning services, maintenance services, repair services, and training programs (reflex4experts) as additional revenue streams.
3. Digital Tools and Software: Digital tools including Reflex Solutions Pro (dimensioning), PROSINUS®X (configurator), BIM@Reflex (planning), and other apps support the product sales process. BIM@Reflex is noted as a 'free service' in the EULA.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Reflex Winkelmann GmbH manufactures HVAC and building hydraulics components, including expansion vessels, pressurisation systems (Reflexomat, Variomat), vacuum spray degassing systems (Servitec), hydraulic separators (SINUS), hot water and buffer storage tanks (Storatherm), heat exchangers (Longtherm), and heat interface units (Greenbox). The company supplies these engineered components exclusively to business customers (B2B only), serving heating, cooling, and drinking water installations in commercial, industrial, and residential building projects worldwide.

Product overview

Reflex Winkelmann GmbH, a business unit of the Winkelmann Group, operates under the 'Thinking Solutions' model concept, offering an integrated solution competency through two brand families: Reflex and SINUS. The product portfolio spans pressurisation systems (Reflexomat compressor-controlled and Variomat pump-controlled), vacuum-spray tube degassing (Servitec), compact hydraulic modules (Reflex Greenbox), hot water and buffer storage tanks (Storatherm Aqua and Heat), expansion vessels (Reflex and Refix series), water treatment systems (Fillcontrol/Fillset/Fillsoft), heat exchangers (Longtherm), separation technology (Exvoid/Exdirt/Extwin), hydraulic separators, and SINUS manifold solutions (including MultiFlow Center). Supporting the hardware, Reflex provides digital tools including Reflex Solutions Pro (dimensioning), PROSINUS®X (SINUS configurator), Reflex Control Smart (mobile app), Reflex ErP Creator, Reflex Smart City (AR app), and BIM@Reflex (BIM planning platform with Revit plugin). Services include commissioning, maintenance, repair, warranty, spare parts, and the reflex4experts training programme. All products carry CE marking and comply with relevant EU directives and standards.

Differentiator

Problem solved

Functional benefit

Brands

• SINUS: Brand for manifold technology, multi-layer storage tanks including SINUS MultiFlow Center, and hydraulic solutions
• Storatherm
• Reflexomat
• Servitec
• BIM@Reflex
• Control Smart
• Reflex Greenbox
• Longtherm

Products and services

• Reflex Expansion Vessels
• Refix Expansion Vessels
• Reflexomat Pressurisation Systems
• Reflexomat XS Pressurisation System
• Variomat Pressurisation Systems
• Servitec S Vacuum Spray Degassing System
• Fillcontrol / Fillset / Fillsoft Water Make-Up Systems
• Reflex Greenbox Heat Interface Unit
• Storatherm Aqua Hot Water Storage Tanks
• Storatherm Heat Buffer Storage Tanks
• SINUS MultiFlow Center Hydraulic Separator
• Longtherm Heat Exchangers
• Air and Dirt Separators
• Reflex Solutions Pro (RSP) Digital Planning Tool
• Reflex Control Smart App
• Reflex ErP Creator
• reflex4experts Training
• After Sales & Factory Service Centre

Quantifiable outcome

• Up to 90% separation of dissolved gases achieved by Servitec degassing systems
• +1 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

16 partnerships are on record, tiered flagship, minor, core and moderate.

• IHF - International Handball FederationflagshipGTM or Marketing Partner · 15 June 2026Official Partner of the 2027 IHF Men's Handball World Championship taking place in Germany from January 13-31, 2027. Major sponsorship commitment emphasising teamwork, trust, precision, and performance under pressure as shared values.
• ARGE Neue MedienminorOthersIndustry partnership for digital building competence and content distribution.
• attb - Associatie voor de Thermische Technieken in BelgiëminorOthersBelgian Association for Thermal Techniques - industry partnership for HVAC standards and best practices in Belgium.
• BESA – Building Engineering Services AssociationminorOthersUK-based building engineering services association partnership for industry standards and professional development.
• BDH - Bundesverband der Deutschen HeizungsindustriecoreOthersGerman Heating Industry Association - key industry body representing heating industry interests in Germany. Reflex Winkelmann's home market industry association.
• BTGA – Bundesindustrieverband Technische Gebäudeausrüstung e.V.coreOthersFederal Industrial Association for Technical Building Equipment - major German industry association for building technology.
• Building HollandminorOthersDutch building industry platform for sustainable building solutions in the Netherlands.
• CIBSE – The Chartered Institution of Building Services EngineersminorOthersUK-based chartered institution for building services engineers - international professional association partnership.
• DENEFF – Deutsche Unternehmensinitiative Energieeffizienz e.V.moderateOthersGerman Corporate Initiative for Energy Efficiency - industry coalition focused on energy efficiency improvements.
• ICO Association – Ingénierie du Confort Objectif 2050minorOthersFrench engineering association for comfort and energy efficiency solutions targeting 2050 objectives.
• ISSO – open kennisclubminorOthersDutch knowledge organisation for building services - industry knowledge sharing partnership.
• SGGIK – Polska Korporacja Techniki Sanitarnej, Grzewczej, Gazowej i KlimatyzacjiminorOthersPolish Association for Sanitary, Heating, Gas and Air Conditioning Technology - industry association partnership in Poland.
• UKDEA – District Energy AssociationminorOthersUK District Energy Association - partnership for district energy and heating network technologies.
• VdZ – Wirtschaftsvereinigung Gebäude und Energie e.V.moderateOthersGerman Association for Buildings and Energy - industry association for building energy solutions.
• ZVSHK – Zentralverband Sanitär Heizung KlimacoreOthersCentral Association for Sanitary, Heating, Climate - Germany's central trade association for plumbing and HVAC professionals.
• BIMStreamercoreTechnology or IntegrationTechnology partner powering the BIM@Reflex digital planning platform with BIMStreamer technology for 3D model delivery and management.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Caleffi: Italian manufacturer of hydronic components including expansion vessels, pressurisation systems, air/dirt separators, and water treatment equipment serving HVAC professionals. Highly comparable product portfolio and target customer base (plumbers, installers, specifiers).
• Flamco Group: Dutch manufacturer of expansion vessels, pressurisation equipment (Flexcon, Flamco), air separators, and water treatment for heating and cooling systems. Direct competitor in diaphragm expansion vessels and compressor-controlled pressurisation stations.
• Spirotech: Dutch specialist in air/dirt/magnetite separators, expansion vessels, and water treatment additives for heating and cooling systems. Highly comparable product overlap with Reflex's Exvoid/Exdirt/Extwin and Fillcontrol/Fillset product lines.
• Elbi S.p.A. Italian manufacturer of expansion vessels, water storage tanks, and pressurisation systems for heating and plumbing applications. Direct competitor in diaphragm expansion vessels with comparable product positioning for European HVAC installers.

Broad incumbents

• IMI plc: UK-listed global engineering group with HVAC and building solutions divisions including hydronic balancing, valves, and pressure-independent control solutions serving commercial and residential HVAC markets. Larger, broader portfolio than Reflex but directly competes in flow control and system optimisation.
• Watts Water Technologies: US-listed global manufacturer of water and plumbing products including expansion tanks, water treatment, valves, and heating system components. Broader geographic reach and product breadth, overlapping significantly with Reflex's hydronic portfolio.
• Grundfos: Danish global leader in pumps with substantial HVAC and water-system product portfolio including pressurisation and circulation equipment. Direct competitor in pump-controlled pressurisation (vs. Reflex's Variomat line) and broader hydronic system components.
• Wilo SE: German pump manufacturer with significant HVAC, heating, and cooling system presence. Direct overlap with Reflex's Variomat pump-controlled pressurisation systems and broader hydronic product range; serves the same European installer and specifier base.
• Xylem Inc. US-listed global water technology company with significant HVAC, plumbing, and hydronic system component offerings via brands including Bell & Gossett and Wilo (joint venture). Larger-scale competitor with broader portfolio and global reach.
• Alfa Laval: Swedish global leader in heat exchangers, with brazed plate heat exchangers serving HVAC, refrigeration, and district heating applications. Direct overlap with Reflex's Longtherm brazed heat exchanger product line (RHB/RLB/RMB series).

Market position

Strengths1 record

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@reflexwinkelmann
• LinkedInlinkedin.com/company/reflex-winkelmann-gmbh
• Instagraminstagram.com/reflexwinkelmanngmbh

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

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 Reflex Winkelmann