HOME | SYSTEMS | REFERENCES | PRO AREA | TRAINING | HR-VENT | COMMUNICATION | FAQ | LINKS | You are here: > HOME > Home More than a system, ACTHYS offers you a true naturally sustainable ventilation solution. Reception • Contact us • Recruitment Society Sustainable development Some numbers HELYS Premium: the performance of new buildings in refurbishment Intended for the refurbishment of collective buildings, HELYS Premium is a humidity sensitive hybrid ventilation system, easily meeting the needs targeted in new buildings (peak flow, C4 classification, etc.). Presented last July to the GS14 committee of experts, our request for a technical opinion for the HELYS Premium system received a favorable response for a period of 3 years. Find out more. ACTHYS a développé pour vous, un nouvel espace Professionnel. Baptisé e-Venthys, ce dernier se compose d’e-Venthys Concept et d’un espace téléchargement. L’univers de la ventilation naturelle, hybride et basse pression n’aura plus aucun secret pour vous. En savoir plus. © 2007 ACTHYS Tout droits réservés / * (function (i, s, o, g, r, a, m) {i ['GoogleAnalyticsObject'] = r; i [r] = i [r] || function () {(i [r]. q = i [r] .q || []). push (arguments)}, i [r] .l = 1 * new Date (); a = s.createElement (o), m = s.getElementsByTagName (o ) [0]; a.async = 1; a.src = g; m.parentNode.insertBefore (a, m)}) (window, document, 'script', '// www.google-analytics.com/analytics .js', 'ga'); ga ('create', 'UA-41182226-1', 'acthys-gie.fr'); ga ('send', 'pageview'); * /