Energy Diagnostics is a trailblazing leader in residential energy rating, HVAC design, and green building certifications with over 30 years of industry-leading experience. We are on a mission to improve the efficiency, environmental impact, and comfort of residential buildings across the United States and our dedicated team plays a pivotal role in this journey. If you’re looking for a rewarding career that combines innovation, sustainability, and collaborative teamwork, you’ve come to the right place.
When you join our team, you’re not just an employee; you become a valued contributor to our mission. We offer a dynamic, collaborative work environment that encourages professional growth and development. At Energy Diagnostics, you’ll have the opportunity to work on diverse projects, challenge the status quo, and make a real impact on the energy efficiency landscape.
If you’re ready to take the next step in your career and embark on a journey that combines purpose, innovation, and collaboration, explore our current job openings and start your career at Energy Diagnostics Inc.
To view a complete list of job openings, please visit our Indeed page to learn more and apply.
Energy Diagnostics Inc. is a pioneering force in the field of energy efficiency, sustainability, and building excellence.
For three decades, we’ve been at the forefront of helping building professionals, architects, engineers, and property owners across the nation optimize their energy usage and environmental impact.
Our suite of services includes energy modeling, onsite testing, HVAC load calculations, duct designs, sustainable design consulting, and green building certification for LIHTC and market-rate single and multifamily projects, all aimed at creating smarter, more efficient, and environmentally responsible buildings.
Our diverse clientele includes builders, developers, architects, engineers, housing agencies, construction firms, property managers, HVAC professionals, and countless other building professionals across the country.
We partner with these professionals to optimize energy performance, reduce environmental impact, and achieve sustainability goals.
Our work spans a wide range of industries, from residential buildings to educational institutions and commercial buildings.
At Energy Diagnostics, collaboration is not just a buzzword; it’s ingrained in our culture. Our team of passionate experts works cohesively, sharing knowledge and ideas to deliver exceptional results.
Our core values serve as the foundation for our success:
Job Description:
Energy Diagnostics is seeking a motivated individual to join our Home Energy Seal team as an Air Sealer. In this role, you will drive to homes under construction within northern Illinois and southern Wisconsin (Madison area), following a predetermined route provided each day. You will perform on-site air sealing services to improve the energy efficiency of newly built homes.
Responsibilities:
Location & Training Requirements
Job Type: Full-time
Pay: From $20.00 per hour
Benefits:
Schedule:
License/Certification:
Job Description:
Energy Diagnostics is growing, and we’re looking for a motivated, reliable individual to join our team as a Home Energy Rater. Whether you have experience in construction or are looking to start a new career path, we’re willing to train the right person who is eager to learn and grow.
This is more than just a job—it’s a long-term career opportunity with a company known for its strong culture, supportive team environment, and commitment to doing things the right way.
What You’ll Do
As a Residential Energy Rater, you’ll play a key role in improving the efficiency and performance of newly constructed homes across Illinois.
What We’re Looking For
We’re less focused on what you’ve done before and more focused on who you are and your willingness to learn.
Requirements
About Energy Diagnostics
Energy Diagnostics is a nationally recognized leader in energy efficiency and building performance. We partner with builders and developers to create better, more efficient homes—reducing energy use while improving comfort and durability.
We’re proud of our reputation not just for the work we do, but for how we treat our people. Our team is built on trust, support, and shared values—and we’re looking for individuals who want to be part of something long-term. In this role, you can expect:
Job Type: Full-time
Benefits Include:
Schedule:
Monday to Friday, Day Shift
Work Location:
On the road
Pay: From $42,000.00 per year
Job Description:
Energy Diagnostics is seeking an HVAC Designer to join our team. This role involves sizing HVAC systems, designing duct layouts, and ensuring compliance with energy codes and program requirements. You will use Wrightsoft HVAC design software to perform load calculations and generate Manual J, D, and S reports.
We are looking for someone who is detail-oriented, organized, and eager to learn. While experience in HVAC design or energy modeling is helpful, it is not required. Training will be provided.
Key Responsibilities:
Ideal Candidate Attributes:
About Us:
Energy Diagnostics provides energy efficiency solutions for residential and commercial buildings. We help builders, developers, and homeowners improve energy performance, reduce costs, and meet compliance standards.
This position offers a chance to develop HVAC design and energy modeling skills while working with an experienced team.
Job Type: Full-time, in-office, Monday-Friday 7 AM- 3 PM (CST)
Pay: From $42,000.00 per year
Benefits:
Work Location: In person
Job Description:
Energy Diagnostics is seeking a detail-oriented and computer-savvy Preliminary Energy Modeler to join our growing team. In this role, you’ll work with builders during the pre-construction phase of residential projects, helping evaluate home plans for energy code compliance and overall energy performance.
This is an office-based position that combines technology, problem-solving, and customer interaction. You’ll spend much of your day working with software, reviewing plans, entering data, and analyzing results, while also communicating with builders to gather information and answer questions.
No prior energy modeling experience is required. We provide training and support to help the right candidate build a successful career in building science and energy efficiency.
If you enjoy working with computers, learning new software, problem-solving, and helping customers, this could be a great fit for you.
Why Join Energy Diagnostics?
What You’ll Do
As a Preliminary Energy Modeler, you’ll work closely with builders and internal teams to evaluate residential projects before construction begins.
What We’re Looking For
We’re looking for someone who is detail-oriented, organized, and eager to learn. The ideal candidate enjoys working with computers, learning new software, solving problems, and contributing to a positive team environment.
About Energy Diagnostics
Energy Diagnostics is a nationally recognized leader in energy efficiency and building performance. For more than 30 years, we’ve partnered with builders and developers across the country to create better, more efficient homes and buildings.
Our mission is simple: We believe in healthy homes and happy families and are committed to leading the way to better buildings.
We’re proud of the culture we’ve built—one that values teamwork, integrity, continuous growth, and supporting one another. We invest heavily in training, professional development, and creating an environment where people can build meaningful, long-term careers.
We’re looking for someone who wants more than just a job—we’re looking for someone who wants to grow with us.
Job Type
Full-time
Benefits Include
Schedule
Monday to Friday, Day Shift
Work Location
Valparaiso, Indiana (In Office)
Job Type: Full-time
Pay: From $42,000.00 per year
