Get the app

Refrigerant PT Chart installs straight from your browser as a free app. No app store, no account and no login.

Why install it

• Free. No subscription and no in-app purchases.
• Works offline. After you open it once with signal, the PT lookup and the superheat and subcooling calculator work with no signal, and so do chart pages you have opened before.
• No login. No sign-up and no account. Your unit settings stay on your device.
• Opens like an app. It gets its own icon and opens full screen, without the browser bar.
• Small and up to date. It uses very little storage and updates itself when you are online.

Install on Android (Chrome)

1. Open https://refrigerantptchart.com in Chrome.
2. Tap Install the app at the top of the page. If you do not see it, tap the ⋮ menu, then Install app (or Add to Home screen).
3. Tap Install. The icon appears with your other apps.
4. Open it once with signal. After that the lookup works offline.

Install on iPhone or iPad (Safari)

1. Open https://refrigerantptchart.com in Safari.
2. Tap the Share button (the square with an arrow).
3. Scroll down and tap Add to Home Screen, then Add.
4. Open it once from the new icon while you have signal. After that the lookup works offline.

Install on a computer (Chrome or Edge)

1. Open https://refrigerantptchart.com in Chrome or Microsoft Edge.
2. Click Install the app at the top of the page, or the install icon at the right end of the address bar.
3. Click Install. It opens in its own window and gets a desktop or Start menu shortcut.

To remove it later, uninstall it like any other app. Coming from Check & Charge or PT Pro? See the free offline alternative.