While I cannot provide specific product recommendations or suppliers, I can offer information on what to look for when considering an air curtain for cold storage in the Porbandar, Mangrol, and Veraval areas of Gujarat, India. When looking for an air curtain for cold storage in these regions, consider the following factors: Size and Capacity: Ensure that the air curtain you choose is suitable for the size of the cold storage entry points where it will be installed. The capacity of the air curtain should match the volume of air that needs to be controlled to effectively maintain temperature separation. Energy Efficiency: Look for energy-efficient models that can help reduce operating costs. Energy-efficient air curtains with features such as variable speed fans and intelligent control systems can optimize energy usage based on door traffic and environmental conditions. Temperature Control: Depending on the specific requirements of your cold storage facility, consider whether you need an air curtain with a heating element to prevent frost formation or if a standard model would suffice.