# TradeBuilt HVACR Toolbox — HVAC Calculators & PT Charts > HVACR field toolbox with calculators, PT charts, and references for technicians. (iPhone/iPad app by Kenneth Thompson.) - Source: https://appshunter.io/ios/app/tradebuilt-hvacr-toolbox/id6798077058 (this page in markdown: same URL + `.md`) - Developer: [Kenneth Thompson](https://appshunter.io/developer/1796478615) - Category: Reference, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 7 MB - Languages: American English - Released: 2026-08-19 - Data updated: 2026-08-30 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/tradebuilt-hvacr-toolbox/id6798077058/reviews.md ## What is TradeBuilt HVACR Toolbox? TradeBuilt is an HVACR toolbox built for the field. Get charging, airflow, electrical, heating, cooling, performance, pressure testing, PT charts, conversions, and field references in one fast, organized app. Built for HVACR technicians, contractors, and students, TradeBuilt puts practical field tools and information where you need them, without unnecessary complexity. ONE TOOLBOX. BUILT FOR HVACR. From checking refrigerant conditions and system performance to working with airflow, electrical measurements, heating systems, pressure, vacuum, and more, TradeBuilt brings everyday HVACR work together in one place. Clear inputs, practical results, and field-focused guidance make it easy to get the information you need and get back to the job. PT CHARTS & REFRIGERANT DATA Access built-in pressure-temperature data for modern A2L refrigerants, commonly used refrigerants, and legacy refrigerants encountered in the field. Bubble and dew values are handled separately where applicable, giving you the information needed when working with refrigerants that have temperature glide. PERFORMANCE CHECKS Bring key system readings together with dedicated cooling and heating performance checks. TradeBuilt compares applicable readings against equipment specifications, calculated targets, and established reference ranges, helping you evaluate system performance while keeping the final diagnosis in your hands. CONVERSIONS & FIELD REFERENCES Convert common HVACR measurements and access useful field references without switching between multiple apps. Whether you’re working with pressure, temperature, vacuum, airflow, electrical values, or other common measurements, TradeBuilt keeps frequently needed information close at hand. BUILT FOR THE FIELD • Works offline • Fast, straightforward inputs and results • Field-focused instructions and measurement guidance • Pin frequently used tools and refrigerants for quick access • No account required for the HVACR toolbox • Manufacturer specifications remain the authority for equipment-specific limits START FREE. UNLOCK THE FULL TOOLBOX. Download TradeBuilt and start using a selection of HVACR tools at no cost. A one-time in-app purchase unlocks the full HVACR toolbox. Future toolbox tools are included, with no recurring subscription required for the HVACR toolbox. TradeBuilt is built to keep growing, with new HVACR tools, references, and improvements added over time. For service calls, commissioning, troubleshooting, training, or everyday field work, TradeBuilt keeps the HVACR tools you need together and ready when you need them. Built for the trades, by the trades. TradeBuilt ## Key features - Charging and airflow calculators - Electrical and heating/cooling performance checks - Pressure testing and PT charts - Refrigerant data for modern and legacy types - Conversions and field references - Offline functionality ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock All HVAC Calculators | $24.99 | one-time | ## Frequently asked questions about TradeBuilt HVACR Toolbox ### Does TradeBuilt have ads? No, TradeBuilt does not contain advertisements. The app is free to download and use with a selection of tools, with a one-time in-app purchase to unlock the full toolbox. ### What HVACR tools are included in TradeBuilt? TradeBuilt includes tools for charging, airflow, electrical measurements, heating and cooling performance checks, pressure testing, PT charts, and various conversions and field references. ### Can I use TradeBuilt offline? Yes, TradeBuilt is designed to work offline, making it a reliable tool for technicians in the field where internet access may be limited. ### What refrigerants does TradeBuilt support? TradeBuilt provides pressure-temperature data for modern A2L refrigerants, commonly used refrigerants, and legacy refrigerants encountered in the field. It also handles bubble and dew values for refrigerants with temperature glide. ### How much does TradeBuilt cost? TradeBuilt is free to download and offers a selection of tools. A one-time in-app purchase unlocks the full HVACR toolbox, with future tools included without recurring subscriptions. ### What devices is TradeBuilt available on? TradeBuilt is available on iPhone and iPad devices. ### How often is TradeBuilt updated? The latest version is 1.1, and it was last updated on August 20, 2026. The app is built to keep growing with new tools and improvements added over time. ### Is TradeBuilt suitable for beginners? Yes, TradeBuilt is built for HVACR technicians, contractors, and students. Its clear inputs, practical results, and field-focused guidance make it easy to use. ## Version history (last 2 releases) ### 1.1 — 2026-08-20 TradeBuilt 1.1 adds new HVACR tools and major field-use improvements. • New Filter Drier Restriction, Nitrogen Pressure Test, and Vacuum Decay Test tools • New Readings and Assessment views for Cooling and Heating Performance Checks • Standing timers with notifications for pressure and vacuum testing • Clearer field instructions, notices, results, and tool descriptions throughout the app • Streamlined tool screens with cleaner titles and collapsed results until readings are entered • Improved stability and calculation handling Built for the trades, by the trades. TradeBuilt ### 1.0 — 2026-08-19 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*