Building System Optimizer

Building System Optimizer (BSO) is a Windows-based energy simulation utility published by Carrier that targets HVAC engineers, architects, and facility planners who need rapid comparative feedback on commercial-building design options. Belonging to the Engineering / Energy Analysis category, the program distills complex annual energy calculations into concise cost-performance metrics, letting users test multiple heating, ventilation, and air-conditioning configurations side-by-side without leaving the schematic design phase. Engineers typically employ BSO to screen rooftop versus chiller-boiler plants, compare variable-air-volume to constant-volume schemes, or gauge the impact of high-efficiency chillers and premium boilers on utility budgets; architects use the same session to validate that envelope upgrades or glazing changes justify their capital cost, while energy-service companies embed the outputs in customer proposals to demonstrate guaranteed savings. Version 1.7 refines the underlying DOE-2 calculation engine, adds support for ASHRAE 90.1-2019 baseline modeling, and exports compressed XML reports that integrate with Carrier’s HAP and Energy Assessment suites. Because the publisher has released only one generation—numbered 1.7—the application remains lightweight, installs in minutes, and runs offline on any 64-bit Windows 8 or later workstation. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.

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