Most residential range hoods have a CFM between 200 and 600. A higher CFM means your range hood is better at removing smoke and odors from your kitchen. The measurement ultimately depends on your stove’s width and heat output as well as the size of your kitchen. 

Compared to the average size of a stove and kitchen, 350 CFM would be the minimum recommended rating for the average kitchen. However, selecting a higher CFM range hood would guarantee better ventilation to match your cooking habits, whether they’re minimal or extensive.

A higher CFM will make the price of your range hood more expensive. It can be challenging to speculate how much the CFM rating affects price, but ductless range hoods—that don’t need as high of a CFM as ducted range hoods—are less expensive than their alternative. On average, ductless hoods cost between $100 and $300, while ducted hoods can cost as much as $1,000.

A range hood is an exhaust fan for your kitchen, and several types and styles exist. They are meant to remove grease, moisture, and fumes from your stove. Although some models filter and recirculate the air, the most effective ones remove the air through a duct that’s vented to the outdoors.

Regular cleaning of filters and checking ducting ensures effective operation.