--- title: "HVAC Duct Size Calculator — App Overview" url: https://marlvel.ai/intel-report/utilities/hvac-duct-size-calculator category: Utilities developer: Alan Cave platforms: ios rating: 5.0 (1 ratings) pricing: paid report_level: overview generated: 2026-04-24 last_verified: "2026-04-24T08:15:22.569Z" --- > **Key Insight:** This app serves as a digital, high-precision alternative to the traditional ductulator for HVAC design professionals. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | 5.0 ★ (1) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.3 | | Developer | Alan Cave | ## What is HVAC Duct Size Calculator? HVAC Duct Size Calculator is a professional design tool that replaces traditional physical ductulators with a digital interface. It provides comprehensive lists of even-sized ducts across various aspect ratios based on user-defined velocity, friction, and volume criteria. ## Key Features - **Duct Sizing Engine**: Calculates velocity, friction, and volume to generate a list of all even-sized ducts meeting specific design criteria. - **Aspect Ratio Analysis**: Provides multiple duct size options across various aspect ratios for professional review. - **Precision Input Interface**: Allows users to adjust values via a keypad interface or precise manual entry, avoiding the use of slider controls. ## Who is it for? HVAC design professionals requiring precise duct sizing calculations. ## Links - [App Store](https://apps.apple.com/us/app/hvac-duct-size-calculator/id485800827?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/hvac-duct-size-calculator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/hvac-duct-size-calculator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*