Important Measurements


What size range hood do you need? Read our helpful kitchen hood size guide for guidance on selecting the correct range hood dimensions.



Duct size


The minimum duct size for a range hood is 4”, which is ideal for kitchen vent hoods that are 400 CFM (cubic feet per minute) and under. At Pacific, all of our range hoods require a 6” or larger duct size due to our higher CFM ratings (550-1,000 CFM). A smaller duct size may decrease your kitchen range hood’s efficiency by restricting the airflow as it travels through your ductwork. Check the product page for each model for specific duct size requirements.

*If you do not have existing ductwork, please contact customer service for guidance from our experts.




Under Cabinet Hoods


There are three key measurements for under cabinet range hood installation.

Range Hood Width: The most common widths are 30”and 36”. Over the stove vents should be the same width as the cabinets above the range.

Range Hood Height: The recommended mount height from the cooktop to the hood bottom should be between 24” and 30”. You can use this information to determine how tall your range hood should be to connect with your ductwork.
It's crucial to install the hood at the proper mounting height. Hoods mounted too low could result in heat damage and fire hazards. Conversely, when hoods are mounted too high, they will be hard to reach and lose their performance and efficiency.

Range Hood Depth: This refers to the depth of the wall cabinets above your range. A standard cabinet depth is typically 12”, which is conducive for installing all Pacific under cabinet range hoods. These days, however, some companies are making wall cabinets 15” deep, which could pose a problem for the TruSteam series by covering the range hood’s water inlet. If you have 15” deep wall cabinets and want to install a TruSteam range hood, you will need to install a 2.5” deep metal box (30” and 36” width available) behind the hood to avoid covering the water inlet. If you have any questions, please contact customer service for guidance from our experts.





Wall Mount Range Hood


Range Hood Width: The most common widths are 30” and 36”. The range hood should be equal to or slightly larger than the range top.

Range Hood Height: The recommended mount height from the range top to the hood bottom should be between 24” to 30”. You can use this information to determine how tall your range hood should be to connect with your ductwork.
It's crucial to install the hood at the proper mounting height. Hoods mounted too low could result in heat damage and fire hazards. Conversely, while hoods are mounted too high, they will be hard to reach and lose their performance and efficiency.



Island Range Hood


For island mount range hoods, you will need to call your local store or authorized dealer or distributor to schedule a pre-measurement before installation can begin. We recommend scheduling the pre-measurement appointment before purchasing. After the pre-measurement and purchase, contact your local store to schedule your installation.  


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