Vent-Axia is a British manufacturer of ventilation, heating and air conditioning equipment, located in Manor Royal, Crawley, West Sussex.

[1] The company was originally incorporated on 28 January 1933, and as Vent-Axia Limited private company on 4 April 1936, to produce and sell ventilation equipment.

[2][3] During the Second World War, the company made fans for 10 Downing Street.

[4] In 1946, the company acquired a new factory in Putney with 18,000 square feet (1,700 m2) of floor space.

[3] In 1957, the company, along with subsidiary Axia Fans, agreed a 99-year lease on a new 4.5-acre (1.8 ha) site at Manor Royal in Crawley.