Windus Air Coolers from Blue Star. Blue Star has been a synonym for delivering elite and durable products. The Company believes in reliability and durability. To achieve this, the brand has relied on its widespread network, adherence to the highest standards of quality, sourcing and logistics advantage, endless commitment by the workforce and its highly innovative approach towards technology. The Company has forayed into the Air Coolers category under the Windus brand name. Today, Blue Star is a true symbol of a modern lifestyle and durable products designed with sheer elegance.