climalux
Climalux is a Luxembourg-based multi-technical building services contractor (HVAC, regulation/automation, sanitary, sprinkler, maintenance) serving industrial, healthcare, and EU/public-sector clients across Luxembourg, Belgium, France, and Germany since 1979.
- Company typePrivate
- Founded1979
- HeadquartersFoetz, Luxembourg
- Headcount—
- GTM typeB2B
- OfferingServices
What climalux does
Climalux SA is a Luxembourg-headquartered multi-technical building services contractor founded in 1979, employing more than 325 staff across operations in Luxembourg, Belgium, France, and Germany. The company delivers HVAC (heating, ventilation, air conditioning), building regulation and automation, sanitary installations, sprinkler/fire protection, and integrated technical maintenance management (MGT) for industrial, real estate, healthcare, and EU/public-sector clients. Its core technology stack is integration-led, combining in-house electrical cabinet manufacturing with certified partnerships across major building automation ecosystems including Honeywell, Siemens, Sauter, Saia, and DRC.
The business model centers on installation projects bundled with multi-year (up to 20-year) maintenance contracts with large institutional and corporate clients such as the European Parliament (KAD 200,000 m² installation), EU Court of Justice, Cargolux, RTL, Luxembourg Airport, House of Biohealth, and Freeport Luxembourg. Operations are anchored at a purpose-built 7,500 m² facility in Foetz that combines warehousing, electrical cabinet assembly, and corporate functions. The company holds relevant industry certifications (ITM, ANPI, VDS, ISO 9001) that pre-qualify it for public-sector tendering in the Greater Region. The firm is privately held with no disclosed funding rounds.
climalux firmographics
Firmographics- Name
- climalux
- Legal name
- Climalux SA
- Website
- https://climalux.lu
- Company type
- Private
- Founded year
- 1979
- Operating status
- Operating
- Short description
- Climalux is a Luxembourg-based multi-technical building services contractor (HVAC, regulation/automation, sanitary, sprinkler, maintenance) serving industrial, healthcare, and EU/public-sector clients across Luxembourg, Belgium, France, and Germany since 1979.
- Ownership category
- akta.pro rank
climalux industry classification
Industry- Product category
- Building Technical Services (HVAC, Regulation, Sanitary, Fire Protection, Maintenance)
- NAICS
- Plumbing, Heating, and Air-Conditioning Contractors (23822), Building Equipment Contractors (2382), Plumbing, Heating, and Air-Conditioning Contractors (238220), Facilities Support Services (56121)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540), Services-Facilities Support Management Services (8744), Services-To Dwellings & Other Buildings (7340), Services-Miscellaneous Repair Services (7600)
- akta.pro primary industry
- HVAC Installation, Service & Repair (IMAIABAA)
- akta.pro secondary industries
- HVAC & Refrigeration Contracting (IMAFALAB), Commercial HVAC Maintenance Agreements & PM Programs (HSAOAHAJ), Building Management System (BMS)/Controls Maintenance & Commissioning (BPABACAE), Ductwork Installation & Replacement (Supply/Return) (HSAOAGAC), Air Conditioner (AC) Repair & Maintenance (HSAOAHAF), New Construction HVAC Rough-In & Final Set (Residential/Light Commercial) (HSAOAGAL)
Keywords
Where climalux is headquartered
LocationHeadquarters
- HQ city
- Foetz
- HQ country
- Luxembourg
- HQ region
- Europe
Offices1 record
Markets served
climalux business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Supply Chain, Technology or R&D
Revenue model
- HVAC Installation Services: Design and construction of new installations or renovations of heating, ventilation, and air conditioning systems, from simple to complex projects.
- Maintenance Contracts: Long-term maintenance contracts (up to 20 years) including preventive maintenance with detailed reports, and full warranty coverage (omnium) within predetermined budget.
- Sanitary Installations: All types of sanitary installations from individual houses to large multi-functional complexes.
- Sprinkler/Fire Protection: Design and installation of fire protection systems for administrative, commercial, and underground parking areas.
Go-to-market motion1 record
Distribution channels2 records
Marketing channels4 records
climalux product offering
Product offeringCore offering
Climalux designs, installs, and maintains multi-technical building infrastructure for industrial, commercial, healthcare, and institutional clients. Its core offering combines HVAC (heating, ventilation, air conditioning), building regulation and automation, sanitary installations, fire protection/sprinkler systems, and long-term technical maintenance management delivered through a single-interlocutor ("Service Plus") model. Maintenance contracts can extend up to 20 years, with 24/7 support covering equipment installed by Climalux or third parties.
Product overview
Climalux is a multi-technical building equipment service company offering an integrated portfolio of services centered on HVAC, building automation/regulation, sanitary installations, fire protection (sprinkler systems), and technical maintenance management. The company operates as a single-interlocutor service provider, combining these core services into a unified "Service Plus" offering that allows clients to outsource all technical building management. Founded in 1979 and based in Foetz, Luxembourg, the company employs over 325 people and serves industrial, real estate development, banking, institutional, and corporate clients across Luxembourg and neighboring markets.
Differentiator
Problem solved
Functional benefit
Products and services
- HVAC (Heating, Ventilation and Air Conditioning) Design and implementation of heating, ventilation, and air conditioning installations for new buildings and renovations, ranging from simple to complex systems including chilled ceilings, specific air treatment for hospitals, energy recovery, and industrial production chain air treatment.
- Régulation et Automatisation (Building Regulation and Automation) Design and implementation of regulation and automation systems (electrical, electronic, and pneumatic, including low-voltage) for building technical installations, with in-house manufacturing of electrical cabinets.
- Sanitaire (Sanitary and Plumbing Installations) Sanitary and plumbing installations covering all types, from individual houses to large multi-functional buildings and complexes.
- Sprinklage (Fire Protection / Sprinkler Installations) Fire protection installation design and implementation for administrative and commercial surfaces as well as underground parking, compliant with ITM, ANPI, VDS, and EN standards. Notable reference includes the sprinkler station at Luxembourg Airport's new terminal, the largest fire protection system in the country.
- MGT - Maintenance Gestion Technique (Technical Maintenance Management) Technical building infrastructure management and maintenance service with a single-point-of-contact approach, available 24/7, covering all building systems including those installed by other companies. Maintenance contracts can extend up to 20 years and include simple maintenance contracts as well as total warranty ("omnium") coverage within a predetermined budget.
Companies that use climalux
Customer profileNamed customers8 records
Segments4 records
Ideal customer profiles3 records
climalux technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
climalux partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core.
- HoneywellcoreTechnology partner for building regulation and automatisation systems. Climalux works with leading brands in the sector for regulation installations.
- SiemenscoreTechnology partner for building regulation and automatisation systems. Climalux works with leading brands in the sector for regulation installations.
- SautercoreTechnology partner for building regulation and automatisation systems. Climalux works with leading brands in the sector for regulation installations.
- SaiacoreTechnology partner for building regulation and automatisation systems. Climalux works with leading brands in the sector for regulation installations.
- DRCcoreTechnology partner for building regulation and automatisation systems. Climalux works with leading brands in the sector for regulation installations.
Scale indicators5 records
Recent moves7 records
Expansion highlights4 records
climalux competitors and assessment
Company assessmentBroad incumbents
- ENGIE Solutions: Global energy and facility-services group offering HVAC, building automation, fire protection, and multi-technical maintenance across Europe. Direct overlap with Climalux's HVAC/installation/maintenance bundle, but operates as a pan-European incumbent serving much larger portfolios.
- Equans: Multinational multi-technical services firm (formerly Engie Solutions/IImtech) active in HVAC, electrical, fire protection, and facility management in Benelux and France. Comparable to Climalux's single-interlocutor MEP model, but at materially larger scale.
- VINCI Facilities: Facility management and technical maintenance arm of VINCI delivering HVAC, fire protection, and multi-technical services across Europe. Matches Climalux's MGT-style maintenance offering and competes for the same institutional FM tenders.
- Johnson Controls: Global provider of building automation (Metasys), HVAC equipment, and integrated facility services. Overlaps with Climalux's regulation/automatisation and HVAC installation work at an enterprise scale.
- Trane Technologies: Global HVAC manufacturer and service provider (Trane, Thermo King) operating across commercial HVAC installation, service contracts, and controls — comparable maintenance-business economics to Climalux's recurring revenue stream.
- Carrier Commercial HVAC Europe: Global HVAC OEM and service provider offering chillers, air handling, building controls, and aftermarket service contracts — comparable recurring-revenue service and maintenance business model to Climalux's MGT offering.
Direct peers
- SPIE Belgium: Benelux-based multi-technical services firm (HVAC, electrical, mechanical services) with strong presence in Belgium, Luxembourg, and adjacent markets — a head-to-head peer to Climalux in cross-border commercial/institutional tenders.
- Cegelec Luxembourg: Subsidiary of Vinci Energies providing HVAC, electrical, regulation, and fire protection services in Luxembourg. Directly comparable service mix and direct competitor on Luxembourg institutional projects.
- Axima (ENGIE Axima): French HVAC and refrigeration contractor (ENGIE group) offering design, installation, and maintenance of heating, cooling, and air treatment systems. Comparable project-based, multi-technical MEP profile to Climalux.
- VINCI Energies Luxembourg / Cegelec: Building solutions division of VINCI active in Luxembourg and the Greater Region delivering HVAC, fire protection, and electrical installations for large institutional accounts — direct rival for EU Parliament and Court of Justice tenders.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
climalux social profiles
Digital presenceclimalux financial estimates
Financial estimateRevenue estimate
Valuation estimate
climalux leadership team
Management profileNumber of profiles
climalux funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
climalux M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about climalux
What does climalux do?
Climalux designs, installs, and maintains multi-technical building infrastructure for industrial, commercial, healthcare, and institutional clients. Its core offering combines HVAC (heating, ventilation, air conditioning), building regulation and automation, sanitary installations, fire protection/sprinkler systems, and long-term technical maintenance management delivered through a single-interlocutor ("Service Plus") model. Maintenance contracts can extend up to 20 years, with 24/7 support covering equipment installed by Climalux or third parties.
Is climalux a public or private company?
climalux is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was climalux founded?
climalux was founded in 1979.
Where is climalux based?
climalux is headquartered in Foetz, Luxembourg, in the Europe region.
How does climalux make money?
Four revenue lines are on record. HVAC Installation Services are the primary driver. The others are maintenance Contracts, sanitary Installations and sprinkler/Fire Protection.
Who are climalux's main competitors?
Broad incumbents on record are ENGIE Solutions, Equans, VINCI Facilities, Johnson Controls, Trane Technologies and Carrier Commercial HVAC Europe. Direct peers are SPIE Belgium, Cegelec Luxembourg, Axima (ENGIE Axima) and VINCI Energies Luxembourg / Cegelec.
Does climalux have an API?
No public API is recorded for climalux.
What industry is climalux in?
climalux's product category is Building Technical Services (HVAC, Regulation, Sanitary, Fire Protection, Maintenance). Its primary akta.pro industry code is IMAIABAA, HVAC Installation, Service & Repair, with a secondary code of IMAFALAB, HVAC & Refrigeration Contracting. Its NAICS code is 23822 and its SIC code is 1540.