Lijan Greentech is Manufacturer, Supplier and Installation Service Provider of Turbo Roof Ventilator Fans. Roof Ventilators are Featured by Rugged Construction and are Highly Weather Resistant. They can Provide a Steady Exhaust of Air and are Engineered to Reduce Energy Costs by Circulating Air and Help to Prevent Heat and Moisture Build up. Roof Ventilators are Designed to Help Exhaust Contaminated Air. Roof Ventilators are Suitable for Use in Variety of Industrial and Commercial Buildings. Roof Ventilator Functions as a Natural Ventilation Systems. When there is a Difference in Thermal or Wind Pressure Between the Inside and Outside of the Building, Which Forces the Air to Move Through the Opening of the Ventilation. When it comes to Roof Top Ventilators they have Several Advantages which include that they Do Not Need to be Powered by Electricity, they are Located Such that they Exhaust the Hottest Air First, they do not Cause any Harm What so Ever to the Environment, they Tend to Save a Lot of Money Because there is No Operating Cost Plus they are Maintenance Free. Our Company Lijan Greentech is One of The Best Supplier in Kerala and Introducing Some Innovative Products to the Market with the Aim Of Attaining Green Energy Kerala.