Preview ballast-free LED snap in retrofits for energy efficiency and cost savings.

"The results speak for themselves..." -Tulsa Airport Authority "Instructor was a true professional with impressive experience and...

"Overall- our buildings have saved over 26% via energy efficiency upgrades." -President, Citizens National Bank "On the first day of the...

Research shows additional, often unreported "secret" benefits from saving energy; like reduced maintenance material costs because

The economic advantages of removing T5HO lamps and inserting LED tubes on a “one for one” replacement are significant.  It may seem strange

Previously discussed was the rationale for using thermal energy storage to reduce peak electrical demand costs.  Here, we will go further in

The "performance metrics” of HVAC equipment explained: COP, Energy Efficiency Ration (EER), SEER and HSPF. Similar to how “miles per ga

Note these are not the actual test questions, but similar in content and format.  The questions also align with the agenda is listed on the

Below are sample exam questions (with answers at the end) from the Carbon Reduction Manager Certification Exam, which has been taught on man

The Magic of Variable Speed Drives By Eric A. Woodroof, Ph.D., CEM, CRM, PCF Buildings Magazine September 2014 DOWNLOAD PDF (it has...

Download a sample project development agreement.

Motor Fundamentals By Eric A. Woodroof, Ph.D., CEM, CRM, PCF Buildings Magazine July 2017 DOWNLOAD PDF Motors use more energy than any...

Whenever I do an energy audit, I ask for at least 2 years of energy bills, so that I can see the historical consumption and charges. Then we

Why good energy projects are delayed and how to work around the pitfalls of financing, and the largest obstacle to getting your projects app

How Profitable Green Solutions and Dr. Eric Woodroof help businesses save money and implement green solutions at the same time.

During a recent CEM training course, I got the opportunity to get an evening tour of Lutron’s lighting showroom in Washington DC.  I was imp

We can do MUCH more to get more green energy projects implemented that save energy, improve economic competitiveness and enable environmenta

Did you know that at this time, the USA spends between 30 and 50 Billion every month on foreign oil?  I find that number to be HUGE and agre

Download the Psychrometric and other charts, tools for HVAC engineers to do heat load or cooling load calculations and find solutions.

Download the Time Value of Money Conversion Tables HERE