Capability: Well, every kitchen indeed requires a smooth airflow for perfect ventilation. However, the overall airflow of all exhaust fans made for the kitchen is measured only on Cubic feet per minute. On the contrary, if you want to bit a small exhaust fan, you must make sure that the CFM of airflow of the fan should be between the range of 30 to 50. Besides this, when the point comes to the larger modems of exhaust fans, they should be capable of maintaining the airflow that reaches 200 to 300. The most important thing that determines the need for an exhaust fan is the size of your kitchen. Sound level: Secondly, another important factor that helps you check the exhaust fan’s performance is the sound level of the fan. Pressingly, an exhaust fan will lower the sound level is more demanding than the louder ones. So, it would help if you went for the exhaust fan that generates 2 sones or less sound are very quiet. With the help of a sones generator, you can also easily determine the price point of the fan. Wattage: Thirdly, the wattage of the exhaust fan is an important factor that determines the reliability of the fan. In this way, it is far times better to get a fan that consumes less watt power. However, such exhaust fans are also very efficient and decrease the electricity bill. So, if you want to lessen your energy expenses, you must check the exhaust fan watt and energy efficiency. Blade Material:
Undoubtedly, it is the most important feature that can easily determine the durability of the fan. Thereby, you must make sure that the fan is made with premium quality materials. So, it is far better to get a fan made with rustproof material than any other material because moisture passes a lot.