energy efficiency tools


building efficiency resources​


ventilation risk management

COVID-19 guides & tools

Learn more about our free tools developed to help building operators understand the impact of changes to energy use and ventilation when mitigating the spread of COVID-19 in indoor environments.

R package


Download our free analysis toolset, nmecr, for utility energy efficiency programs using a normalized metered energy consumption (NMEC) approach to analyze commercial building energy consumption for site-specific measurement and verification (M&V).

nmecr logo nmec r package kw engineering 500x500
pschrometric calculation chart


get psyched!

Our free Get Psyched! Excel add-in. It allows you to do psychrometric calculations and charts in MS Excel and works with both English (IP) and Metric (SI) units.

compare T24, CalGreen, CHPS & LEED

commissioning cheat sheet

Compare various commissioning approaches (LEED, T-24, Calgreen, etc.) with our commissioning cheat sheet.

comparision commissioning approaches title 24, leed, CHPS, CalGreen
energy efficiency calculation cheat sheet

energy efficiency

calculation cheat sheet

All energy engineers can use this quick cheat sheet that contains useful formulae and simple energy calculations.

get started saving energy

If you have any questions about reducing energy use, increasing sustainability or optimizing building system operations, get in touch.

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