1. UNI 10339, Impianti aeraulici a fini di benessere—Generalità, classificazione e requisiti—Regole per la richiesta d’offerta, l’offerta, l’ordine e la fornitura, 1995
2. ASHRAE Standard 62-1981, Ventilation for acceptable indoor air quality, 1981
3. ASHRAE Standard 62-2001, Ventilation for acceptable indoor air quality, 2001
4. CEN prENV 1752, Ventilation for buildings: design criteria for the indoor environment, 1996
5. CIBSE Guide A, revision section 2, Environmental criteria for design, Charter Institute of Building Service Engineers, U, 1993