--- title: "HVAC Formulator — App Overview" url: https://marlvel.ai/apps/hvac-formulator category: Productivity developer: Historycentral.com platforms: ios rating: 2.0 (1 ratings) pricing: paid report_level: overview generated: 2026-05-04 last_verified: "2026-05-04T11:19:35.318Z" --- > **Key Insight:** While the app offers a broad library of HVAC formulas, user feedback indicates significant concerns regarding accuracy and the depth of the provided content. | Metric | Value | |--------|-------| | Category | Productivity | | Rating | 2.0 ★ (1) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 3.04 | | Developer | Historycentral.com | ## What is HVAC Formulator? HVAC Formulator is a productivity tool designed for HVAC professionals that provides access to over 900 formulas and calculations. The app supports both US and Metric units, covering categories such as cooling loads, fan laws, duct sizing, and electrical requirements. ## Key Features - **Unit Conversion**: Allows users to switch between US and Metric units with automatic updates to input labels and results. - **Cooling Load Calculations**: Provides tools for sensible, latent, and total cooling calculations, including EER, COP, and sensible heat ratio. - **System Design Utilities**: Includes specialized calculators for fan affinity laws, duct sizing, and ASHRAE 62.1 ventilation rates. - **Electrical and Gas Formulas**: Supports technical calculations including Ohm's Law, motor FLA, power phase, and gas laws. ## Who is it for? Heating, ventilating, and air conditioning professionals and students. ## Links - [App Store](https://apps.apple.com/us/app/hvac-formulator/id318898907?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/hvac-formulator) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/hvac-formulator).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*