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a21 sàrl

Summary

About the company

a21 sàrl is an engineering consultancy providing expert assessments, technical advice, concept development, project management and research. Its services include building physics and construction (acoustics, moisture and hazardous-substance diagnostics), environmental and noise studies, energy and sustainability planning, and training.

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Industry:Civil Engineering Firms

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Energy consulting and expertise

Studies for energy improvement and optimisation, energy balances for building permits, energy concepts, energy-efficiency assessments, renewable energies and solar installations.

Construction consulting and expertise

Private and judicial assessments, building physics, indoor acoustics, thermal envelope, thermography, moisture problems, hazardous substance diagnostics and project management.

Training and supervision

Supervision of traineeships and diplomas, conferences and seminars, technical courses and educational materials on energy, the environment and sustainable development.

Environmental consulting and expertise

Noise protection studies, impact studies, light pollution, electromagnetic fields, air quality, vibrations, waste management and contaminated sites.

Sustainability consulting and expertise

Cité de l’énergie support, monitoring projects for the Société à 2’000 Watt, Agenda 21s, ecobilances, sustainable neighbourhoods, cooperation projects and economic analyses with external costs.

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a21 sàrl

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a21 sàrl

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