Electric Roof Ventilators

S E Controls in Lichfield, Staffordshire, United Kingdom
SE Controls has over 29 years experience in delivering specialist smoke ventilation and natural ventilation control systems to all sizes and types of buildings. SE Controls systems automatically open specific windows, doors, louvers, roof lights and AOVs to ventilate smoke and heat. The control

Active Ventilation ProductsInc in Newburgh, New York, USA
Manufacturer of innovative state-of-the-art roof vents and ventilation systems for commercial and residential buildings.

Johns Manville Corp. in Denver, Colorado, USA
Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building insulation, commercial roofing, and specialty products for commercial, industrial, and residential applications. Johns Manville has revolutionized the building insulation industry by

Vent Engineering in Poole, Dorset, United Kingdom
With over 15 years experience, Electronic Vent Control offer customers a range of standard & custom electronic controls, electromechanical components for conservatories and smoke removal systems. The first vent controller was called the 100-DK and was supplied to control vent motors up to five