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Salary
$50k – $62k per year
Location
In office (Carrollton)
Seniority
Intern
Visa
H-1B filings in 12 months: 50 · green card filings: 18
Employment
Internship

Confirmed on the employer's own hiring board on Nov 14, 2026. First seen by Alion on Nov 12, 2026. Lennox scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Lennox is a US maker of climate control products for heating, air conditioning and refrigeration, headquartered in Richardson, Texas, serving residential and commercial customers through brands such as Lennox, Allied Air, ADP and Duro Dyne. Tracing its history to 1895 and listed on the New York Stock Exchange, it sells furnaces, heat pumps, air conditioners, controls and commercial systems across North America through dealers and its own stores. Recent openings include HVAC service technicians and apprentices, assemblers and machine operators, branch operations and territory sales managers, SAP analysts and quality engineers, with a technology centre in Chennai.

What Drives Success

As an Advanced Technology Intern, you will work closely with engineers and cross-functional teams to support research and development projects, analyze performance data, and contribute to solving complex technical challenges. This is an excellent opportunity to gain real-world engineering experience while learning about the latest advancements in HVAC technologies and industry trends.

Successful interns will have the potential opportunity of joining Lennox Full-Time upon graduation. Relocation and/or travel may be required for your position.

Why You’ll #LoveLennox:

  • Impactful Projects: Work on meaningful assignments that drive real business results. Your ideas matter here.
  • Intern Community: Connect with peers through social events, team-building activities, and engagement programs.
  • Innovation Exposure: Dive into cutting-edge tech and trends shaping the HVAC and manufacturing industries.
  • Learning and Development: Access workshops, training sessions, and resources to level up your skills and expand your knowledge.
  • Competitive Pay and Relocation Support: Receive a competitive compensation package and relocation support if needed.

WHAT YOU'LL BE DOING:

Research & Development Support

  • Assist engineers with research and development projects focused on next-generation HVAC technologies.
  • Support the evaluation, testing, and analysis of new products, systems, and concepts.
  • Participate in technical investigations and contribute to innovative engineering solutions.
  • Conduct research on emerging technologies and industry trends.

Testing & Data Analysis

  • Assist with prototype testing and performance evaluations.
  • Support the design and execution of experiments, including data collection and analysis.
  • Analyze test results and help identify opportunities for product or system improvements.
  • Utilize engineering tools and software to document findings and communicate results.

HVAC Systems & Technology

  • Gain hands-on exposure to HVAC&R principles, including thermodynamics, heat transfer, and fluid mechanics.
  • Support projects involving motors, sensors, controls, and system performance optimization.
  • Assist with simulations and testing activities to evaluate system functionality and efficiency.
  • Learn industry standards and best practices related to HVAC technology development.

Team & Project Support

  • Collaborate with engineers and technical teams on project activities and business initiatives.
  • Assist with project coordination, documentation, and technical reporting.
  • Participate in problem-solving efforts to address engineering challenges.
  • Take on special projects that provide exposure to different areas of advanced technology and product development.

What We Are Looking For

WHAT WE ARE LOOKING FOR:

  • Currently pursuing a Master’s or PhD in Mechanical Engineering, Thermal Engineering, or a related engineering field; PhD preferred.
  • Strong understanding of HVAC&R principles, including thermodynamics, heat transfer, and fluid mechanics.
  • Strong mathematical, analytical, and problem-solving skills.
  • Experience with scientific programming tools or languages, such as Python, VBA, EES, or similar.
  • Knowledge of design of experiments, instrumentation, data acquisition, and data analysis techniques.
  • Ability to independently approach complex technical problems with limited guidance.
  • Excellent communication, collaboration, and interpersonal skills.
  • Ability to work effectively in a team environment and manage technical projects and priorities.

NICE TO HAVE:

  • Academic, research, or project experience related to HVAC systems, thermal systems, energy systems, modeling, or simulation.
  • Knowledge of Modelica or similar modeling and simulation tools.
  • Experience with HVAC&R system modeling, simulations, or testing.
  • Exposure to artificial intelligence (AI), machine learning, or AI-enabled engineering applications.
  • Knowledge of motors, sensors, control systems, or laboratory testing and data acquisition systems.
  • Passion for innovation and emerging technologies within the HVAC industry.
  • Hands-on experience supporting research and development projects focused on advanced HVAC technologies.
  • Exposure to product development, engineering testing, and technical innovation initiatives.
  • Development of professional skills in data analysis, project management, problem-solving, and technical communication.
  • Real-world experience that can help prepare you for a career in engineering, research, and product development.

What We Offer

Compensation: This is an hourly non-exempt role. The starting pay range for this role and market is between $25.00 - $31.30/hour. This rate is based on the intern's current year in their respective university programs. Graduate students may receive a higher rate of pay based on their year in school. Employees in this role are also eligible to earn overtime when they work more than 40 hours in a week (or as otherwise required by state law).

Our Culture: At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture - which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member’s contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success. At Lennox, you’ll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us!

Disclaimers: The compensation and benefits information is accurate as of the date of this posting. Lennox reserves the right to modify this information at any time, with or without notice, subject to applicable law.

We may use automated tools, including artificial intelligence, to support parts of our hiring process, such as application review and interview scheduling. These tools assist our teams but do not replace human decision-making. If you need an accommodation or have questions, please contact [email protected].

Who We Are

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us.

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