Positive Energy
Design Around People. A Good Building Follows.


Kristof Irwin, PE, M. Eng., Principal

Kristof Irwin, P.E., M Eng., is the visionary principal of Positive Energy. Kristof’s background includes 12 years of experience as a custom builder (including deep energy retrofits and zero-net energy projects) and 11 years as a building science consultant. He worked for 14 years as an engineer, research scientist, and physicist for government and university research labs. He is active in the local and national high-performance building community including his role as the Chair of AIA Austin’s Building Enclosure Committee, several ASHRAE committees - ASHRAE TC-2.1 (Physiology & Human Environment), ASHRAE SSPC-55 (Thermal comfort), ASHRAE SSPC-62.2 (Ventilation/IAQ), and the RESNET ANSI Standards Development Committee (SDC). Kristof hosts The Building Science Podcast to promote education and understanding in the public and on project teams.

Fun Facts:

Kristof Irwin

Where were you born?
Andrews Air Force Base (Washington DC)

Where did you grow up? 
College Park, Maryland

What was your first job?  
Besides cutting grass in the neighborhood, I was a lifeguard at the YMCA

Who was your childhood hero (real or fictional)? 
Mr Magoo as Gunga Din, the quote "You're a better man than I, Gunga Din" rocked my 4th grader world

What was your favorite subject matter to study in high school? 
A tie between biology and trigonometry

What are your hobbies? 
Kitesurfing, but if you mean what brings a sense of enlivenment - then yoga, meditation/instruction, working w/ team at PE!

Do you have a spouse/kids? 
Yes, Diane is my wife and Ming is my kid

Do you have pets (if so what are their names?) 
JesseBear is a 9 year old lab-border collie boy, and Liam is a 2 year old black lab boy

What's your favorite animal? 
Blue Heron

Where did you go to college? (list them if more than one) 
University of Maryland, College Park

What's the craziest place you've traveled to? 
My own mind

What's something most people don't know about you? 
That I'm actually very fond of quiet time alone, particularly in nature.

What are your top 5 songs? 
2112, If I needed you (Townes Van Zandt), Smells like teen spirit, Bohemian Rhapsody, Cats in the Cradle....

What's your favorite dessert? 
Diane's homemade chocolate chip cookies

If you could have any super power, what would it be? 
To help people get out of their heads/stories and into their bodies/feelings

If you had to use only 3 words to describe yourself, which three do you choose? 
Authentic, optimistic, naive (in a good way)

What's your favorite thing about working at Positive Energy? 
Our mission, our people, our vision of the future and getting to learn more about buildings and buildings science all the time.