The top documents tagged [airflow ratio]

exhaustfans_2

---

50 views

Agriculture Ventilation Fans: A National Energy Efficiency Standard R. D. MacDonald, P.Eng, M. E. Armstrong, P.Eng, and K. Gibb, Agviro, Inc., Guelph,

---

243 views

Agriculture Ventilation Fans: A National Energy Efficiency Standard

---

42 views