ESTIA calibrates, according to ISO 17025, anemometers and wind vanes in her own specially designed and constructed Wind tunnel premises. Results help ESTIA’s clients to improve certainty of the yield of their wind projects. Recently in 2024 ESTIA achieved the second best rate in blind international interlaboratory check organized by MEASNET between 18 labs from Asia, Europe and America. Eight out of the 18 participants belong to the MEASNET organization.