Wind Deflectors For Volvo Xc40 From 2017 to present Available here. Wind deflectors are precision made for your car from the worldโs leading brands, Heko and Climair. Wind deflectors, or rain guards, are an excellent choice for making your driving experience quieter and more comfortable. Using wind deflectors on a warm day will save you money by reducing your reliance on your air conditioning system, and will reduce road noise dramatically. Wind deflectors also allow you to keep your windows open during the rain, and are also known as car rain guards or rain defenders, which help prevent your windows from steaming up during a downpour. From reducing wind turbulence to keeping rain out and promoting better airflow, wind deflectors are designed to optimise your comfort and style on the road, and are one of the best car accessories you can buy. Shop wind deflectors Ireland today.