About PRO1 Connect
Redesigned for ultimate simplicity, efficiency, and control. Easily add and manage your thermostat with a seamless setup process, adjust temperatures through an intuitive interface, and create schedules with just a few...
Redesigned for ultimate simplicity, efficiency, and control. Easily add and manage your thermostat with a seamless setup process, adjust temperatures through an intuitive interface, and create schedules with just a few taps. Stay connected and comfortable from anywhere, save energy effortlessly, and enjoy complete peace of mind. Elevate your thermostat experience with PRO1 Connect today! Who is PRO1? PRO1 products are designed to maximize the comfort and energy efficiency of your heating and cooling system. Our thermostats and apps are built for ease of use and years of reliable performance. We distribute exclusively through the professional HVAC trade so you can have peace of mind knowing that your thermostat was installed properly by a professional heating and cooling technician.
Version History - Bug fixes and enhancements 2.2.3 Sep 16 - Bug fixes and enhancements 2.2.1 Jul 31 - Redesigned sign-in screen - Bug fixes and enhancements 2.2.0 Jul 17 Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts - Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability - Updated libraries to ensure continued compatibility and security - Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1 PTAC support added Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency - Seamless setup to quickly add and manage your thermostat - Intuitive controls to adjust temps and set schedules with ease - New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments * Faster Data Loading: Thermostat info now loads quicker * New Reports Feature: View or download usage reports directly in the app * Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments * Faster Data Loading: Thermostat info now loads quicker * New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements * updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes * Fix push notification delivery * Assorted UI fixes 1.18.1 02/21/2023 New Features * Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features * Added "Google Home" support to Home Automation section Bug Fixes * Fixed "Set at" display on temperature units change * Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features * New “Delete User Account” feature Enhancements * Automatically set temporary hold when user changes setpoint on the app Bug Fixes * Thermostat Settings button is always available on Thermostat Control View. * Show live changes from thermostat on Thermostat Control View * Fix facebook account login 1.16.1 06/02/2022 New Features * Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI. Bug Fixes * Fix thermostat control bug. 1.15.1 01/14/2022 New Features * Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022
Previous Versions
Here you can find the changelog of PRO1 Connect since it was posted on our website on 2023-03-04 11:21:38.
The latest version is 2.2.3 and it was updated on 2026-10-16 18:53:34. See below the changes in each version.
PRO1 Connect version 2.2.3
Updated At: 2026-10-14
Changes: Version History - Bug fixes and enhancements 2.2.3 Sep 16 - Bug fixes and enhancements 2.2.1 Jul 31 - Redesigned sign-in screen
- Bug fixes and enhancements 2.2.0 Jul 17 Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022
PRO1 Connect version 2.2.3
Updated At: 2026-09-18
Changes: Version History - Bug fixes and enhancements 2.2.3 1d ago - Bug fixes and enhancements 2.2.1 Jul 31 - Redesigned sign-in screen
- Bug fixes and enhancements 2.2.0 Jul 17 Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022
PRO1 Connect version 2.2.1
Updated At: 2026-09-11
Changes: Version History - Bug fixes and enhancements 2.2.1 Jul 31 - Redesigned sign-in screen
- Bug fixes and enhancements 2.2.0 Jul 17 Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022 New Features
* Link to Amazon Alexa in the new Smart Home section 1.13.0 11/10/2021
PRO1 Connect version 2.2.0
Updated At: 2026-07-29
Changes: Version History - Redesigned sign-in screen
- Bug fixes and enhancements 2.2.0 Jul 17 Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022 New Features
* Link to Amazon Alexa in the new Smart Home section 1.13.0 11/10/2021 New Features
* HVAC Runtime Report Service: users will receive periodic reports about their HVAC system usage to guide them in making informed decisions about their energy consumption.
* Thermostat Control View: the main user interface now includes a new energy-efficiency feedback icon. 1.12.0 07/29/2021
PRO1 Connect version 2.2.0
Updated At: 2026-07-22
Changes: Version History - Redesigned sign-in screen
- Bug fixes and enhancements 2.2.0 4d ago Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022 New Features
* Link to Amazon Alexa in the new Smart Home section 1.13.0 11/10/2021 New Features
* HVAC Runtime Report Service: users will receive periodic reports about their HVAC system usage to guide them in making informed decisions about their energy consumption.
* Thermostat Control View: the main user interface now includes a new energy-efficiency feedback icon. 1.12.0 07/29/2021
PRO1 Connect version 2.1.8
Updated At: 2026-06-30
Changes: Version History Bug fixes and security enhancements 2.1.8 Apr 15 Bug fixes and security enhancements 2.1.7 Feb 24 Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience. 2.1.6 11/17/2025 bug fixes and minor enhancements 2.1.5 08/15/2025 bug fixes 2.1.4 07/30/2025 - Update to High/Low Temperature Alerts
- Fix for false alert badge issue 2.1.3 07/13/2025 - Bug fix for login issue 2.1.2 06/04/2025 - Bug fix for login issue 2.1.1 05/27/2025 - Upgraded underlying framework for improved performance and stability
- Updated libraries to ensure continued compatibility and security
- Changed schedule icon behavior to remain visible during holds 2.1.0 05/07/2025 Bug fixes for T855iv1
PTAC support added
Enhancements for Auto mode 2.0.5 04/07/2025 Bug fixes 2.0.4.18 02/28/2025 Bug fixes for Add Thermostat process 2.0.3.1 02/20/2025 - All-new design for effortless control and efficiency
- Seamless setup to quickly add and manage your thermostat
- Intuitive controls to adjust temps and set schedules with ease
- New In-App Guide to explore features with ease 2.0.0 02/17/2025 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app
* Fixed issue for Add thermostat flow 1.20.3 11/26/2024 * Enhanced Setpoint Scroll Wheel: Smoother and easier temperature adjustments
* Faster Data Loading: Thermostat info now loads quicker
* New Reports Feature: View or download usage reports directly in the app 1.20.2 09/17/2024 Enhancements
* updated website links for “Add a thermostat” and “Help” app sections 1.19.0 08/09/2023 Bug Fixes
* Fix push notification delivery
* Assorted UI fixes 1.18.1 02/21/2023 New Features
* Update "Add a Thermostat" user instructions and error messages 1.18.0 11/17/2022 New Features
* Added "Google Home" support to Home Automation section
Bug Fixes
* Fixed "Set at" display on temperature units change
* Fixed capital letter handling in "Username" fields 1.17.0 08/29/2022 New Features
* New “Delete User Account” feature
Enhancements
* Automatically set temporary hold when user changes setpoint on the app
Bug Fixes
* Thermostat Settings button is always available on Thermostat Control View.
* Show live changes from thermostat on Thermostat Control View
* Fix facebook account login 1.16.1 06/02/2022 New Features
* Private Label - easily add HVAC pro contact info to a thermostat before connecting to Home WIFI.
Bug Fixes
* Fix thermostat control bug. 1.15.1 01/14/2022 New Features
* Private Label - easily add HVAC pro contact information to a thermostat before connecting to Home WIFI 1.15.0 01/12/2022 New Features
* Link to Amazon Alexa in the new Smart Home section 1.13.0 11/10/2021 New Features
* HVAC Runtime Report Service: users will receive periodic reports about their HVAC system usage to guide them in making informed decisions about their energy consumption.
* Thermostat Control View: the main user interface now includes a new energy-efficiency feedback icon. 1.12.0 07/29/2021 New Features
* Added the ability to view humidity and wired sensor temperature for model 855iSH thermostats
* Added user configuration for high and low temperature alerts -- users can adjust thresholds and choose how to be notified
* Added continuous runtime alerts -- users can opt to receive a notification if the heating or cooling system runs continuously
Bug Fixes
* Fixed field validation rules for Thermostat Info and HVAC Professional Views 1.11.1 02/24/2021
PRO1 Connect version 2.1.7
Updated At: 2026-02-24
Changes: Bug fixes and security enhancements
PRO1 Connect version 2.1.6
Updated At: 2025-11-17
Changes: Foundational updates to improve performance and prepare for future enhancements. More updates are on the way as we continue to refine the experience.
PRO1 Connect version 2.1.5
Updated At: 2025-08-15
Changes: Aug 15, 2025
Version 2.1.5
bug fixes and minor enhancements
PRO1 Connect version 2.1.1
Updated At: 2025-05-27
Changes: May 27, 2025
Version 2.1.1
- Bug fix for login issue
Disclaimer
Official App Store Link
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