# Honeywell PT Chart > Digital pressure-temperature chart for HVAC mechanics with refrigerant data and calculations. (iPhone/iPad app by Honeywell International, Inc..) - Source: https://appshunter.io/ios/app/honeywell-pt-chart/id503873378 (this page in markdown: same URL + `.md`) - Developer: [Honeywell International, Inc.](https://appshunter.io/developer/311222963) - Category: Reference - Price: Free - Rating: 2.10/5 from 18 App Store ratings · 16 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 111 MB - Languages: American English - Released: 2012-02-28 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/honeywell-pt-chart/id503873378/reviews.md ## What is Honeywell PT Chart? HVAC mechanics have a new option when it comes to the standard paper pressure-temperature (PT) chart they currently carry. Honeywell offers a colorful display in which users can select a refrigerant and get all of the data they need to perform their tasks in the field. Using the touch screen, users can quickly calculate superheat and subcool averages to set a control from either their iPhone or iPad device. ## Key features - Digital PT chart replacement - Refrigerant selection - Field data access - Superheat calculation - Subcool calculation ## Recent user reviews (10 of 16) All indexed reviews: https://appshunter.io/ios/app/honeywell-pt-chart/id503873378/reviews.md ### 3/5 — Need updated refrigerants *2025-12-05* Need updated refrigerants including A2L. ### 5/5 — Horny *2022-05-21, version 1.11* Oi ### 1/5 — Amazingly Bad *2018-06-15* Great update. App shuts off now every time I have to try to select a refrigerant. Worked fine before the update. Oh well, pt charts aren't hard to find ### 1/5 — No good since update *2018-06-14* Was good app till last update ### 1/5 — Crashes *2018-06-13* App now crashes instantly. ### 1/5 — App crashes instantly *2018-05-31* Used to work until this last update, crashed instantly now on my iPhone X ### 1/5 — Crashes *2018-03-16* App crashes immediately. Won’t even open. Used to work great. Used it daily and was very accurate. But now I can’t even look at the charts. ### 1/5 — Sub cooling app that you can’t calculate now *2018-02-22* I used this app all the time before the update!!! What happened Honeywell????? ### 1/5 — Horrible *2017-12-08* This is not a good PT chart at all. You can’t search for the refrigerant you want. ### 1/5 — Doesn't work *2016-10-27* Was a great app before the latest update. Now it won't calculate sub cooling and superheat. Go back to the last version. ## Frequently asked questions about Honeywell PT Chart ### What is Honeywell PT Chart used for? Honeywell PT Chart is a digital replacement for the standard paper pressure-temperature (PT) chart used by HVAC mechanics. It allows users to select refrigerants and access necessary data for field tasks. ### Can Honeywell PT Chart calculate superheat and subcool? Yes, Honeywell PT Chart allows users to quickly calculate superheat and subcool averages directly on their iPhone or iPad device. ### What devices does Honeywell PT Chart support? Honeywell PT Chart is supported on iPhone, iPad, and iPod devices. ### How often is Honeywell PT Chart updated? The latest version, 1.11, was released on May 21, 2018. Updates are not frequent, with the last update being in 2018. ### What is the age rating for Honeywell PT Chart? Honeywell PT Chart has an age rating of 4+, making it suitable for a wide range of users. ### What is the user rating for Honeywell PT Chart? Honeywell PT Chart has a user rating of 2.1 stars from 18 ratings, indicating a mixed reception from its user base. ### Does Honeywell PT Chart have ads? No, Honeywell PT Chart does not contain advertisements. ### Is Honeywell PT Chart available for Android devices? Based on the provided information, Honeywell PT Chart is only supported on iPhone, iPad, and iPod devices, suggesting it is not available for Android. ## Version history (last 5 releases) ### 1.11 — 2018-05-21 This app has been updated by Apple to display the Apple Watch app icon. - Updated the calculations and added refrigerants ### 1.10 — 2018-02-05 - Swapped Pressure vs Temperature, added Refrigerants and updated the calculations - App icon change ### 1.8 — 2016-10-05 • New L40X product addition • Updated pressure calculations ### 1.07 — 2015-12-07 • Updated canister images • New superheat/subcooling features • About/EULA pages added ### 1.06 — 2015-04-07 - Screens have been resized to work across all devices - Updated picker view appearance - New refrigerants have been added - Renaming of several refrigerants ## Apps similar to Honeywell PT Chart | App | Rating | Price | Category | | --- | --- | --- | --- | | [Copeland PT Pro](https://appshunter.io/ios/app/copeland-pt-pro/id465298520) | 3.3 (7) | Free | Reference | | [Copeland Mobile](https://appshunter.io/ios/app/copeland-mobile/id789715706) | 4.8 (5,010) | Free | Reference | | [HVACR Check & Charge](https://appshunter.io/ios/app/hvacr-check-and-charge/id574809181) | 4.8 (16,302) | Free | Reference | | [BITZER REFRIGERANT RULER](https://appshunter.io/ios/app/bitzer-refrigerant-ruler/id373683792) | 4.7 (1,058) | Free | Reference | | [P-T Calculator](https://appshunter.io/ios/app/p-t-calculator/id1252176525) | 4.8 (51) | Free | Reference | ## More apps by Honeywell International, Inc. - [CamControl for iPhone](https://appshunter.io/ios/app/camcontrol-for-iphone/id305711637) - [ADPRO iTrace](https://appshunter.io/ios/app/adpro-itrace/id465592900) - [Honeywell Cabin Control](https://appshunter.io/ios/app/honeywell-cabin-control/id511323294) - [ADPRO iPIR](https://appshunter.io/ios/app/adpro-ipir/id557883032) - [HonView Touch](https://appshunter.io/ios/app/honview-touch/id594097421) All apps by Honeywell International, Inc.: https://appshunter.io/developer/311222963 ## Related topics [honeywell pt chart](https://appshunter.io/ios/topics/honeywell-pt-chart) · [pt chart](https://appshunter.io/ios/topics/pt-chart) · [pressure temperature chart](https://appshunter.io/ios/topics/pressure-temperature-chart) · [pt chart refrigerant](https://appshunter.io/ios/topics/pt-chart-refrigerant) · [pt chart refrigeration](https://appshunter.io/ios/topics/pt-chart-refrigeration) · [danfoss pt chart](https://appshunter.io/ios/topics/danfoss-pt-chart) · [hvac tools with pressure temperature charts](https://appshunter.io/ios/topics/hvac-tools-with-pressure-temperature-charts) · [supercool slide rule hvac](https://appshunter.io/ios/topics/supercool-slide-rule-hvac) · [pt chart refrigerants eu](https://appshunter.io/ios/topics/pt-chart-refrigerants-eu) · [refrigerant calculator app](https://appshunter.io/ios/topics/refrigerant-calculator-app) --- *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 2026-06-10.*