Ashrae 62.1 Calculation Spreadsheet

Ashrae 62.1 Calculation Spreadsheet Calculator

ASHRAE 62.1 is a standard that provides minimum ventilation rates and indoor air quality procedures for commercial and institutional buildings. The ashrae 62.1 calculation spreadsheet is a tool used to determine the ventilation requirements for a given space.

  1. Select the occupancy type from the dropdown menu.
  2. Enter the area of the space in square feet.
  3. Click the ‘Calculate’ button.

The calculation is based on the following formula: Ventilation Rate = Occupancy x Area x Ventilation Rate per Person.

Real-World Examples

Example 1: A classroom with an area of 1000 sq ft and an occupancy of 30 students would require a ventilation rate of 3000 cfm.

Data & Statistics

ASHRAE 62.1 Ventilation Rates
Occupancy Ventilation Rate per Person (cfm/person)
Office 5

Expert Tips

  • Always round up to the nearest 10 cfm when calculating ventilation rates.
  • Consider using natural ventilation where possible to reduce energy consumption.

Interactive FAQ

What is the difference between ASHRAE 62.1 and ASHRAE 62.2?

ASHRAE 62.1 is for commercial and institutional buildings, while ASHRAE 62.2 is for residential buildings.

ASHRAE 62.1 Calculation Spreadsheet ASHRAE 62.1 Ventilation Rates

ASHRAE Standards

DOE Ventilation Guidelines

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