NYC Energy Tools

New York City is reducing energy use and carbon emissions in its municipal buildings.
We supply the free tools to help City agency employees get it done.

Or browse our equipment kits and guides

New to Energy Tools?

Getting Started

Whether this is your first time borrowing or your first time on our new website, this is the place to start.

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Equipment is just the beginning — learn about the resources we offer that can help you make the most of NYC Energy Tools.


Get live, one-on-one assistance through CUNY BPL’s innovative coaching program.

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Contact Us

Need help selecting equipment or navigating the website? Get in touch.

Know what you're looking for?

Equipment Kits

Kits offer quicker ways to check out multiple pieces of equipment


Explore guides to help you evaluate common retrofits and optimize building systems.

Case Studies

Learn how agency staff have put our equipment to use in their facilities.

About NYC Energy Tools

NYC Energy Tools is a new hub for City agency facility personnel that brings together the free equipment lending and advisory services that the Field Equipment Lending Library (FELL) has been providing since 2013, plus training resources and measurement guides developed by CUNY Building Performance Lab and NYC DCAS Division of Energy Management (DEM) to help agencies carry out energy reduction projects.

For more information, Getting Started is the place to begin. If you have specific questions, our team is ready to help – please contact us.

Recent updates

Updated noBAS Building Re-tuning Guides

Checkout our updated guides for implementing Building Re-tuning in buildings without a building automation system.

View noBAS Guides

Want us to add equipment to the catalog?

If you need something we don’t have in the catalog, let us know!

Add to the Wishlist

M&V Resources

Browse through our measurement guides for evaluating pre- and post-retrofit conditions of common retrofits.

Browse Guides

Welcome to our New Site!

We are excited to welcome you to the new home of the Field Equipment Lending Library, brought to you by the NYC Department of Citywide Administrative Services Energy Management DEM and CUNY BPL. Check out our Getting Started page for more information on how to use our site.

Featured Resources

Airborne Infection Risk Calculator (AIRC)

An airborne contagion modeling tool designed to assist facility managers, building engineers, and public and occupational health professionals in prospectively evaluating individual infection and community transmission risks associated with specific indoor environments.

noBAS Building Re-tuning Guide

A set of Building Re-tuning-like measures that use readily available data loggers and sensors in lieu of a Building Automation System. These instruments are included in defined kits for each measure, along with a notebook computer and/or tablet and associated data management software.