Installation and maintenance
The listed activities include installation, maintenance, audits, and studies.
Source: LinkedIn company description · Retrieved October 13, 2026
Fern performs work and maintenance in air conditioning, ventilation, heating, plumbing, and electrical systems.
Fern is an active member of the French Building Federation and follows an environmentally responsible business approach.
Based on the company’s public LinkedIn information, supplied through RevenueBase.
Fern lists tertiary, hospitality, retail, industry, prestige, data center, housing, and cleanroom sectors.
The listed activities include installation, maintenance, audits, and studies.
Source: LinkedIn company description · Retrieved October 13, 2026
Specialties include gas or CPCU boiler rooms, direct-expansion or chilled-water air conditioning, smoke extraction, air-treatment rooms, HVAC technical rooms, freecooling and freechilling systems, and air-conditioning system redundancy.
Source: LinkedIn company description · Retrieved October 13, 2026
Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.
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RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 6, 2026, September 15, 2026, September 16, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 21, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 29, 2026, October 7, 2026, October 8, 2026, October 9, 2026, October 10, 2026 and October 11, 2026. How the company lists are built.
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