## How many CFM hood fan do I need?

To power your range hood, you need at least 100 CFM for every 10,000 BTUs of your stovetop. For example, a 100,000 BTU stove needs at least a 1000 CFM range hood. For electric stoves, multiply the stove width by 10. So, for a 42” electric stove you want a range hood with at least 420 CFM.

**How do I know what range hood to buy?**

The new hood should be at least as wide as the range or cooktop and preferably 3 inches longer on each side. The most common widths are 30 and 36 inches. For optimal performance, install a hood 20 to 24 inches away from an electric cooktop and 24 to 30 inches from a gas cooktop.

**How do I choose a kitchen hood size?**

Measure the width of the area over the range or cooktop. Range hoods often come in 24″, 30″ or 36″ widths. The hood should be at least as wide as the cooking surface, but preferably should be 6″ wider.

### What is range hood cfm?

CFM means cubic feet of air moved per minute. Simply put, it’s the amount of air a ventilation hood fan is capable of removing through its filter every minute.

**Is 300 CFM enough for range hood?**

The HVI recommends taking a stove’s BTU rating and dividing it by 100 to find a minimum level. For example, a stove with a 30,000 BTU rating would require a kitchen hood with a capacity of at least 300 CFM. A kitchen range hood should be able to cycle the air out of the entire kitchen 15 times per hour.

**What is the best height for a range hood?**

For maximum efficiency in your kitchen, remember these recommended height ranges:

- If you have a gas range, install your range hood 24 to 36 inches above your cooktop.
- If you have an electric range, install your range hood 20 to 24 inches above your cooktop.

## What size range do I need?

If you are remodeling your kitchen there are 3 standard sizes to be choosing from. A 30-inch, 36-inch, or 48-inch wide kitchen range. The larger the family and the more cooking that you do, the larger the range you will want to consider.

**How much CFM do I need for Indian cooking?**

For gas cooktops or ranges, you should aim for a minimum ventilation level of 100 CFM (Cubic Feet per Minute) per 10,000 BTUs of your cooktop’s maximum output. For electric, you should have 100 CFM for every 10 in. of cooktop width.

**How much CFM do I need for gas range?**

For gas cooking surfaces or range, a minimum ventilation level of 100 CFM (Cubic Feet per Minute) per 10,000 BTU is recommended. However, the hood must have a minimum of 500 CFM of ventilation power.

### Is 375 CFM enough for range hood?

Commercial kitchens or households that do a lot of heavy cooking need to get a range hood with at least 350 CFM. This amount of power is enough to pull out excess steam and strong odors from the kitchen. A minimum rate of 1 CFM of ventilation per 100 BTU is recommended for high-output cooktops or gas ranges.