It is important to understand that while 1Tool continues to receive updates and support, Carel has been actively expanding its software ecosystem to cater to different developer preferences and application requirements.
: Projects that once took minutes to build now ready themselves in seconds, allowing for rapid iterative testing. Enhanced Libraries
Includes advanced macros for electronic expansion valve (EEV) control, multi-scroll compressor management, chillers, air handling units (AHUs), and heat pumps.
1tool features dedicated tools for designing user interfaces, enabling seamless screen creation for built-in controller displays, remote terminals (like the pGD series), and touchscreen interfaces.
Navigate to the Software Downloads section and select . carel 1tool software updated
The update optimizes compilation processes specifically for the c.pCO controller series, fully leveraging the hardware's onboard Ethernet ports and web server capabilities.
For the latest software downloads and license management, users can access the CAREL software activation portal . 1tool - CAREL
The versions for 2026 demonstrate CAREL's commitment to supporting HVAC/R developers with tools that are both powerful and efficient. By focusing on improved libraries, better simulation, and enhanced usability, 1tool helps engineers develop reliable control systems faster.
Access to CAREL’s extensive database of control algorithms. Key Benefits of the Latest Software Updates It is important to understand that while 1Tool
The commissioning phase has been streamlined. The updated 1Tool provides better diagnostic information during startup, allowing technicians to quickly identify and resolve issues.
. These pre-built algorithms cover everything from basic logic to complex HVAC functions, allowing you to "drag and drop" years of expertise into your project. What’s New for Developers?
Log in to the official or the CAREL digital portal.
: Run the installer in "Modify" mode and check the box for HVAC/R standard library packs. For the latest software downloads and license management,
The updated 1tool software allows for quicker configuration and deployment of applications. This is critical when dealing with complex, high-efficiency systems where precise, fast-acting control is required. The updated interface facilitates smoother project management from initial coding to final field tests. 2. Enhanced Function Block Libraries
Maximize the efficiency of the updated software suite with this engineering workflow. Phase 1: Architecture Setup
What (e.g., chiller, air handling unit, heat pump) are you developing?
: Updates are required to program the newest generations of c.pCO and High-End controllers.