Net Energy Optimizer





Provide an innovative building energy analysis tool-set which enables objective, analysis-based decision making.


Our team has decades of experience in building energy analysis, consulting, and software development – working for world-class clients – including governments, utilities, manufacturers, property owners, architects, engineers, and contractors.


  • We have significant expertise in analyzing, designing, and installing energy efficiency projects for over 100 utilities and more than 230,000 customers nationwide, which means we understand the entire life cycle of a building.
  • We’ve codified our expertise into NEO, meaning you don’t need years of energy modeling experience to put together a detailed energy analysis.
  • We promise to generate fast, reliable data that you can use to help your team and your clients make sound energy and financial decisions in order to maximize your buildings performance.

Our NEO team is a part of Wildan Group, Inc. Willdan developed NEO out of an industry need for a fast, validated energy modeling tool. Willdan uses NEO today on energy efficiency projects nationwide, including 10% of the entire new construction market.

NEO is supported and developed by a team of architects, engineers and software developers. We’re all energy geeks with a passion for helping people save energy, carbon and cash. Wanna join the fun? Click here to inquire.


NEO featured in ACHR News as 2021 AHR Innovation Award Winner

NEO | Net Energy Optimizer Helps Building Owners, HVAC Contractors, and Energy Professionals Tackle Energy Modeling The software solution can help show decision makers the value of upgrades to their buildings’ systems Challenge: To optimize energy modeling for...

NEO Partners with Green Building Certification Inc. (GBCI)

We are very excited to share that NEO is partnering with the Green Business Certification Inc. (GBCI), the global certification body for the LEED green building program, to make energy modeling more accessible, more accurate, and more affordable for building projects...

AHR Expo 2021 Innovation Awards Winner

The AHR Expo (International Air-Conditioning, Heating, Refrigerating Exposition) announces the winners of the 2021 AHR Expo Innovation Awards in 10 industry categories. Show Management, co-sponsors ASHRAE and AHRI, and the Innovation Awards panel of judges wish to...