The team at JKP Energy Inspections, L.L.C. has been providing support for the Environmental Protection Agency’s ENERGY STAR for Homes program in the Phoenix (and Tucson) market since 1999, labeling over 72,000 homes as ENERGY STAR. 

In recognition of their achievements in promoting ENERGY STAR, assisting builders to build energy efficient homes, and raising the standards of construction in Arizona and nationally, JKP Energy Inspections has received the EPA’s national “Partner of the Year” award as 2019 Indoor airPLUS Leader Award!

JKP Energy Inspections is a member of the Energy and Environmental Building Alliance (EEBA), Residential Energy Services Network (RESNET), and US Green Building Council (USGBC). 

Company Vision

In late 2017, JKP Energy Inspections revamped our core values and vision based on the book by Simon Sinek "Start with Why":

Start with "WHY": 

We believe in doing good work

Passion "HOW": 

We're not just a place to work, but a place to grow

Our clients are more than contracts, they are partners

Together we build more than houses, we build homes

Core Values: 

1. Honesty & Integrity - "Always do the right thing"

2. Expertise - "Expand your knowledge"

3. Professionalism - "Hold yourself to a higher standard"

4. Leadership - "If you are not leading, you're following"

Core Focus "WHAT":

Helping our clients improve how they build by focusing on energy use, comfort and quality. 

Meet the Team

Jenna Lancman


Owner | CFO


"This is my family. I found it, all on my own. Is little and broken, but still good. Yeah, still good."

Jenna has been at the company since May 2017 and bought the company with Katie and Preston on April 1, 2018.


  • She is an Arizona native. 
  • She has been an accountant for 14 years. 
  • She loved the industry so much that when presented with the opportunity to buy this company in April, it couldn't be passed up.
  • She is a newlywed with 4 amazing step-children. 
  • When she is not working on growing our company, she likes to spend quality time with her family and friends.

Katie Johnson


Owner | COO | RESNET HERS Rater


"Roads? Where we going we don’t need roads"

Katie has been at the company since December 2016 and bought the company with Preston and Jenna on April 1, 2018.

  • She and Preston have been married since 2010 and have 1 daughter together.
  • She was born in England and moved to Arizona when she was 7 years old.
  • Her favorite movies are Harry Potter, Back to the future and Indiana Jones.
  • She has been in customer service for 13+ years.
  • She was new to the industry but  jumped into the energy efficiency world and loves it! 

Preston Johnson


Owner | CTO |  RESNET HERS Rater 


"But what is happiness except the simple harmony between a man and the life he leads?" -Albert Camus 

Preston has been at the company since March 2014 and bought the company with Katie and Jenna on April 1, 2018.

  • He is a avid gamer and semi-professional disc golf player.
  • On his off time, he likes to spend time with his family,  relax, and play disc golf tournaments.  
  • He loves this company because of  our family environment and culture of caring, hard work, and honesty. 
  • He studied sign language for several years.
  • His history in the industry started with D.R Wastchak (now JKP) in March of 2014 and he has loved this company and the industry ever since.

Patrick Whelen


Rating Field Inspection | Water Sense Inspector


"Everyone has a plan until they get punched in the face" - Mike Tyson

Patrick has been with the company since March 2016.

  • He is an Arizona Native
  • He spends most of his free time with his family
  • His ideal weekend is one where his entire family gets together for some sort of sporting event 
  • While he is working, he finds enjoyment from helping others understand what we do, and coming up with solutions that help us meet all of our goals
  • In his time at JKP, he has learned a lot about the industry but is still amazed by how much is left to learn
  • The biggest lesson he has learned at JKP is that it is easy to make plans and we can plan all we want but it doesn't matter until we follow it up with action (see quote)

Nick Whelen


Rating Field Inspector


Nick has been with the company since August 2017.

  • He spends his free time with his family
  • He is passionate about welding and makes custom projects for people
  • His favorite part of the job is the Independence and the trust his employers have for him 
  • He recently got married and has 2 beautiful daughters  

Zach Fader


Rating Field Inspector


“I'm not superstitious but I am a little stitious.” - Michael Scott 

Zach has been with the company since September 2019.

  • He was born and raised in Flagstaff, Arizona
  • He studied  Climate Science at Northern Arizona University and earned his Master’s Degree in 2016 
  • Afterwards he worked for the City of Flagstaff Sustainability Department and then for Northland Preparatory Academy as an AP Environmental Science Teacher 
  •  In his free time, he can be found wakeboarding, mountain biking, and camping 
  • JKP allows him to use his experience and knowledge to promote a sustainable future for Arizona 

Darren "DC" Crow


LEED Project Manager


"Whatever it takes to get the job done" 

DC has been at the company since November 2018. 

  • He is from Alabama
  • He has  10+ years commercial construction - new buildings & renovations - gas stations / convenience stores 
  • DC loves to listen to his never ending music collection!
  • In his off time, he spends time with his wife.
  • His favorite part of the job is that it is a challenge and the people he works with!

Rich Connally


Scheduling Coordinator 



"Uncle Rich" has been with the company since January 2019.

  • He is a 6th generation native of Arizona
  • He has been working in the construction industry for over 25 years!
  • In his off time, he likes to read, play golf, watch TV and spend time with his grand kids
  • He LOVES the Arizona Cardinals
  • He likes working at DRW for the structured yet laid back work environment

Contact Us

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JKP Energy Inspections, LLC

1410 W GUADALUPE RD STE 124, Gilbert, AZ 85233, US

(480) 350-9274


Open today

8:00 am – 4:00 pm

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