Fresh Air Calculator

🌬️ FBC 2023 | NEC 2020

Outdoor Air & Occupancy Analysis

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📋 Project Information

Project Name

Date

⚙️ Calculation Mode

Existing Only Proposed Only Existing vs Proposed

🏢 Existing Conditions

Space 1

Area Description

Area (sq ft)

Use Group

Custom Factor

0

🌪️ Existing HVAC Systems

Supply Air (cfm)

Exhaust Air (cfm)

Makeup Air (cfm)

Return Air (cfm)

🚀 Proposed Conditions

Space 1

Area Description

Area (sq ft)

Use Group

Custom Factor

0

🌪️ Proposed HVAC Systems

Supply Air (cfm)

Exhaust Air (cfm)

Makeup Air (cfm)

Return Air (cfm)

📊 Results

🌬️

Enter building information and click Calculate to see FBC 2023 compliant results