ES mobile app

Coming Soon...our new mobile app!

Leighton Wolffe

Leighton Wolffe is the principal of Wolffe Technology Group LLC, an independent consulting organization providing strategic business development, market research, and technology assessment services. WTG serves the facility industry as an owners advocate for federal and state agencies, health care institutions, universities, corporate real estate, and hig- tech environments. WTG helps facility owners develop and manage portfolio wide energy and capital upgrade projects utilizing new technologies, products and services through traditional and innovative financing models and energy market programs. As a research and development firm, WTG provides investors and companies with perspectives on emerging market trends, technology applications, business models, and product design. WTG works with clients to establish and deploy successful strategic marketing and business development initiatives for their products and services into existing and new markets. Wolffe began his career in facility operations in hospitals and universities, then worked with manufacturers of BAS, and more recently with energy companies and hi-tech startups to develop new and innovative products and software applications. He has authored numerous articles on evolving energy trends, serves on technology advisory boards, is a featured speaker at industry events and is active in all U.S. energy markets.


ESCO 2.0 And Your Next Project

June 27, 2012
From a collaborative effort to rebuild after World War II to “microgrids” and buildings selling back un-used electricity, the basic concept has gone under several names and come a long way. Here, the authors discuss how facilities pursuing high performance can make sense of the many energy-related services and programs to help finance capital improvement projects and infrastructure upgrades.
Read More


October 12, 2011
"High-performance building” is a broadly used term that describes a well designed, efficient, and environmentally friendly facility.
Read More



Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  


Engineered Systems Magazine

ES April 2014 cover

2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

Table Of Contents Subscribe

Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
View Results Poll Archive


The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

More Products

Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!


new Facebook icon Twitter icon YouTube iconLinkedIn icon