Learn

Interactive tools for understanding how buildings and their HVAC systems really behave. Built for engineers, operators and students. Free to use.

Available

Psychrometric chart

Plot air states, walk through nine HVAC processes step by step, switch between IP and SI, and see the chart change with altitude.

Available

CBECS Explorer

See how your building or whole portfolio ranks against thousands of similar U.S. buildings in EIA’s CBECS survey, with weighted peer percentiles and a savings envelope.

In progress

More tools

Building controls explorers are in development. Check back, or ask us what you would like to see.