National Accounts Manager – Parts & Supplies

National Accounts Manager – Parts & Supplies

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.

Established in 1952, the Duro Dyne National Corporation, has evolved into the leading manufacturer of sheet metal accessories and equipment for the HVAC industry. For over 70 years, Duro Dyne has expanded its plant locations and now employs over 200 people. Duro Dyne National Corporation is committed to providing superior quality and unparalleled dedication to all aspects of our business. We believe every employee contributes to the success and growth of our company.

As an employee at Duro Dyne, you reap the benefits of being part of an expanding company that still maintains a progressive employee culture and atmosphere.

Sealed Unit Parts Co.,Inc. is a leading manufacturer and master distributor of high-quality innovative products designed for the heating, ventilating, air conditioning, refrigeration and appliance parts industries. In business since 1945, they have established themselves as the premiere name in HVAC/R and appliance replacement parts and test instruments. The company was founded by service contractors with the sole purpose of increasing a service professional's productivity.

They take pride in supplying the wholesale trade channel and keeping in touch with the changes and developments that will dictate the future of the industry.

As the National Accounts Manager – Parts & Supplies, you will drive growth across Duro Dyne and Supco sales initiatives within Contractor Supply Solutions' (CSS) key North American distribution channels to increase revenue, market share, and profitability. In this individual contributor role, you will manage strategic national accounts, strengthen channel partnerships, and execute account plans aligned to the broader Parts & Supplies growth strategy.

In this highly visible role, you will partner closely with the National Account Leader, Product Management, Marketing, and Regional Sales teams to execute national account strategies, expand product penetration, and deliver strong customer outcomes. You will serve as a key commercial contact for major channel partners, translating business priorities into actionable plans that improve account performance and support long-term growth.

Key Responsibilities

• Own and grow a portfolio of strategic national accounts across key distribution and retail channels, with accountability for revenue, share growth, and profitability.
• Execute account strategies that align sales, product, and marketing initiatives to drive customer growth, product adoption, and consistent brand execution.
• Partner with the National Account Leader and CSS stakeholders to support channel strategies, revenue plans, and annual business objectives for the Parts & Supplies segment.

• Build and deepen strategic relationships with national account customers to expand share of wallet, identify new opportunities, and support long-term business growth.
• Collaborate with regional sales managers, local sales agencies, and end customers to implement growth strategies at the branch and market level.
• Lead regular business reviews with customers and internal stakeholders to assess performance, identify opportunities, and strengthen strategic alignment.

• Manage the national account pipeline and opportunity tracker, ensuring visibility into account development, product placement, and revenue performance.
• Develop short- and long-range sales forecasts and strategies based on customer requirements, market trends, and company objectives.
• Support pricing strategy, contract negotiations, and margin management in partnership with leadership to achieve profitable growth.

• Partner with Marketing and Category Management to develop annual business and marketing plans for each national account, including promotions, merchandising programs, and co-branded initiatives.
• Support the introduction and adoption of new HVAC parts and supplies through coordinated sales and marketing campaigns.

• Maintain an accurate reporting system to monitor sales results, track account KPIs, and forecast growth opportunities.
• Provide insights to management regarding industry developments, competitive activity, and emerging trends in the HVAC parts and supplies market.
• Recommend strategies to capitalize on market shifts and strengthen the company's position within key channels.

Skills and Competencies

• Integrity – impeccable track record of high workplace integrity, trust, and respect; is committed to building a sustainable, profitable…