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C4

C4E

C4E Technologie

Saint-Pierre du Perray, France

GeothermalPrivate
Founded 198050-200 employees

About

Founded in 1980, C4E is a private headquartered in Saint-Pierre du Perray, France with approximately 50-200 employees specializing in Geothermal.

Established in 1980, C4E Technologie operates as a systems integrator serving energy managers, engineering firms, property managers, real estate developers, and general contractors. The company specializes in building technical management systems (GTB), HVAC automation, terminal regulation controls, API development, and fire/gas detection installations. Core competencies include designing and installing centralized building management systems, optimizing energy efficiency through advanced automation, and providing complete commissioning and programming services. The company operates with internal capabilities including an engineering bureau, electrical wiring workshop, detection services, automation support, and commercial teams. Recent major projects include geothermal heating network installations at Ris-Orangis, Saint-Denis, Grigny, Lognes/Torcy, Dammarie-les-Lys, and Tremblay-en-France, plus energy efficiency upgrades across 24 schools in Yvelines. C4E maintains certifications and memberships with Alliance BACS and LonMark France, and received EcoVadis Committed label recognition in 2025.

Building AutomationGTBHVACEnergy EfficiencyGeothermalFire DetectionGas DetectionSystems Integration

Headquarters

Saint-Pierre du Perray, France

Founded

1980

Employees

50-200

Company Type

Private

Business Models

B2BEPC

Value Chain

EngineeringProcurementConstructionEPCO&MConsulting

Service Regions

Île-de-France, France

Industry Memberships

Alliance BACS, LonMark France

Products

Building Management Systems (GTB)

HVAC Automation Controllers

Terminal Regulation Solutions

API Integration Services

Fire and Gas Detection Systems

Geothermal Integration Services

Projects

Ris-Orangis Geothermal Central

Saint-Denis Geothermal Project

Grigny Geothermal Heating Network

GeoVAL Lognes/Torcy Urban Heat Network Modernization

Dammarie-les-Lys Geothermal Network (GEODALYS)

Tremblay-en-France Geothermal Project

Yvelines Schools Energy Efficiency Program

Tour Sequana Issy-les-Moulineaux GTB Renovation

INFLUENCE 1 Building Supervision System Overhaul

Arcueil Gentilly Heat Network (ARGEO)

Klepierre Les Arcades Commercial Center

Certifications & Awards

Certifications

EcoVadis Committed Label

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