Standard Range Hood Height. Distance from hood base to top of hob hob type minimum. The space between the base of your cooktop and the bottom of your hood should measure between 30-36 inches.
The height of the underside of the hood body must be a minimum of 600mm above an electric cooktop 650mm above a gas cook top and a maximum height of 800mm refer to table below. Distance from hood base to top of hob hob type minimum. 700 for electric and 800 for gas according to the manual.
Less than 28 from the cooktop will be too hot and more than 36 from the cooktop will start to decrease the efficiency of your range hood in capturing steam grease odors and even toxic chemicals released from cooking.
Always consult the user manual for both your cooktop and range hood to find out what height clearance is required between your particular appliances. The space between the base of your cooktop and the bottom of your hood should measure between 30-36 inches. 700 for electric and 800 for gas according to the manual. After the acquisition of the hood you should proceed and install it around 20 to 24 inches.