HVAC Duct Calculator

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Free HVAC Duct Sizing Calculator - San Antonio

Beluga Air provides a free HVAC duct sizing calculator to help homeowners and HVAC technicians to determine the right duct size for any heating or cooling system.

How Our HVAC Duct Calculator Works

Simply enter details about your system, such as the type of duct (flexible, round, or rectangular), duct length, and desired airflow in CFM. The calculator quickly provides the recommended duct diameter and estimates air velocity, helping you make sure your ducts are sized properly for smooth, efficient operation. Using this HVAC load calculation software allows you to calculate HVAC duct size accurately and avoid guesswork.


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Jose Corchado

Beluga Air was founded to bring the absolute best out of the HVAC industry and to set a new standard in San Antonio.

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