Engineering Tools

Interactive calculators and utilities to streamline your LEED and ASHRAE 90.1 compliance workflow.

Table 6.5.6.1 Energy Recovery Calculator

Interactive tool to determine mandatory Exhaust Air Energy Recovery Ventilation (ERV) requirements for ASHRAE 90.1 Baseline models. Includes local climate zone thresholds and exemption checklists.

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Baseline Envelope (U-Value) Calculator

Determine the correct Baseline Maximum U-Factors, C-Factors, and F-Factors for your energy model based on Climate Zone and Space Type (ASHRAE 90.1-2010 Table 5.5).

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Appendix G Baseline System Selector

Stop guessing. Use our interactive calculator to determine the correct ASHRAE 90.1-2010 Baseline HVAC System (1-10) based on project climate, type, and fuel.

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