--- title: "HVAC Pro: Load & Duct Sizing — App Overview" url: https://marlvel.ai/apps/hvac-pro-load-duct-sizing category: Utilities developer: CodeMagma platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-04-27 last_verified: "2026-04-27T09:32:06.561Z" --- > **Key Insight:** This app serves as a professional-grade mobile toolkit for performing industry-standard HVAC load and duct sizing calculations in the field. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.0 | | Developer | CodeMagma | ## What is HVAC Pro: Load & Duct Sizing? HVAC Pro is a mobile utility designed to assist contractors and engineers with precise heating and cooling calculations. It streamlines complex Manual J-style analysis and duct sizing to improve design accuracy and prevent equipment oversizing. ## Key Features - **Heating & Cooling Load**: Performs Manual J-style analysis based on building envelope, insulation, and climate zone data. - **Duct Sizing**: Calculates round and rectangular duct diameters using friction rate and velocity methods. - **Quick BTU Estimator**: Provides rapid tonnage and BTU requirement estimates based on square footage for initial quoting. - **Airflow & CFM**: Determines required CFM for HVAC system design and performance verification. ## Who is it for? HVAC contractors, engineers, and field technicians. ## Links - [App Store](https://apps.apple.com/us/app/hvac-pro-load-duct-sizing/id6757906192?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/hvac-pro-load-duct-sizing) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/hvac-pro-load-duct-sizing).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*