is a legacy build, the framework is typically distributed to licensed users through Carrier’s official eDesign suite channels. Official Source : The most reliable way to obtain the framework is via the Carrier HVAC System Design Software Downloads page. Note that many of these tools require a license key to install and run. System Requirements
: The most secure way to obtain the latest or specific legacy versions of HVAC tools is through the Carrier Commercial Software homepage or the Carrier eDesign portal. carrier x-builder framework v1.04w download