Demo

Ratings Engineer

Lennox International
Grenada, MS Full Time
POSTED ON 5/5/2026
AVAILABLE BEFORE 7/5/2026
WHO WE ARE:

ADP (Advanced Distributor Products)
is a Lennox International company and the #1 Producer of Residential Evaporator Coils in the USA. We are committed to providing quality solutions and true partnership to help our customers find matches that make their jobs and lives easier. ADP has been manufacturing products at our factory in Grenada, MS since 1992. Our innovative culture is fully supported by a research and development laboratory, which includes areas for testing, assembling, and designing future products.

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.

Key Responsibilities:

Ratings Database Maintenance:
  • Maintain and update ADP product rating data in industry certification databases (e.g., AHRI). Apply heat transfer and fluid flow concepts to validate product ratings.
  • Perform engineering analysis of HVAC system performance and efficiency using thermodynamic principles. Support updates to rating models and calculation parameters within internal rating tools for new products and configurations.
  • Support maintenance, analysis, and documentation of product rating data. Communicate changes in product strategies and rating matches driven by new OEM ratings releases and market updates.
  • Provide input and suggestions for enhancements to rating tools, processes, and required testing to support accurate rating matches.
  • Support development and verification of thermal performance models. Request and test units as needed in the labs to acquire ratings.

Sales and Product Support:
    • Support sales agencies by generating required product rating matches and ensuring the information is accurate.
    • Provide support to regional sales managers and sales agencies by addressing product rating and performance questions, with guidance from senior team members as needed.
    • Proactively provide input and suggestions on product strategies to support customer applications
    • Prepare rating‑related data and basic analysis to support new products, product updates, and internal reviews.
    • Support the development and delivery of training programs on the product ratings process for sales agencies, new sales associates, and other internal teams.
    • Lead projects around enhancements and required testing to match ratings.

Qualifications:
  • Bachelor’s degree in Engineering, Data Analytics, Thermal Engineering, Heat Transfer, or a related field; equivalent technical HVAC application experience may be considered.
  • Understanding of residential HVAC systems and key components.
  • Strong attention to data accuracy, analysis, and traceability to support rating documentation and compliance needs.
  • Strong written, verbal, and interpersonal communication skills, with the ability to clearly explain technical concepts to diverse audiences.
  • Demonstrated discipline in process documentation and consistent follow‑up on commitments.
  • Strong problem‑solving skills, with the ability to work both independently and collaboratively in a team environment.
  • Ability to remain organized and responsive while managing workload and deadlines during peak business seasons.
  • Proficiency in Microsoft Office applications.
  • Willingness to travel as required (up to 15% during peak seasons).
Preferred Qualifications:
  • Experience working with large data sets and maintaining data integrity.
  • Understanding of the AHRI Operational Manual (OM).
  • One-year Engineering experience within the HVAC industry.
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Salary.com Estimation for Ratings Engineer in Grenada, MS
$80,127 to $97,266
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