National Accounts Manager – Parts & Supplies

Lennox (NYSE: LII) combines 130 years of HVAC and refrigeration leadership with innovative, sustainable climate-control solutions for residential and commercial customers. Duro Dyne National Corporation, established in 1952, is the leading manufacturer of sheet-metal accessories and equipment for the HVAC industry, employing over 200 people across multiple plant locations. SUPCO, founded in 1945, is a premier manufacturer and master distributor of high-quality HVAC/R and appliance replacement parts and test instruments, serving the wholesale trade channel.

About the role

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. 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.

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.

Requirements

• Bachelor’s degree in Business, Marketing, or related field; MBA preferred.
• 7–10+ years of experience in HVAC, building products, or industrial parts and supplies sales; experience managing large national or multi-region accounts required.
• Demonstrated success managing large national or multi-region accounts and building relationships with top-tier wholesale distributors.
• Strong understanding of distribution channels, aftermarket sales, and contractor networks.
• Proficiency with CRM systems (SAP) and pipeline management tools.
• Willingness to travel up to 50% of the time.

Skills

• Integrity: Impeccable track record of high workplace integrity, trust, and respect; committed to building a sustainable, profitable business while meeting high ethical standards.
• Results Oriented: Driven to deliver steady, consistent results; strong sense of urgency around outcomes.
• Collaborative Influencer: Builds strong partnerships across customers and internal stakeholders; works effectively through influence in a matrixed environment.
• Innovative and Forward-Thinking: Brings strategic thinking and a proactive approach to identifying opportunities and solving business challenges.
• Decisive Thinker / Executor: Strong execution focus that delivers results far exceeding expectations and engages the entire organization in tracking performance metrics.
• Exceptional Communicator: Applies excellent verbal and written communication skills to translate vision and strategy into clear priorities and direction.
• Relationship Driven: Skilled at developing strong, trusting relationships with employees, customers, and other key stakeholders.
• Humble: Demonstrates low ego, credibility, and humility; leads with the right attitude and seeks best-in-class practices.
• Organized: Exceptionally organized with consistent follow-through and the ability to prioritize and manage multiple tasks.
• Aggressive Simplifier: Continuously looks for ways to reduce complexity and improve execution.

Benefits

• Tuition reimbursement.
• Medical, dental, and vision insurance; prescription drug coverage.
• 401(k) retirement plan.
• Short-term disability insurance.
• 8 weeks paid birthing leave; 2 weeks paid bonding leave.
• Life and long-term disability insurance.
• Up to 12 days paid time off, 2 paid well-being days, 1 paid volunteer day, 12 paid holidays, and 3 floating holidays per year (eligibility requirements apply).li>

Pay

The starting salary for this exempt role ranges from $125,000 to $163,000 annually, depending on geography, market, skills, education, experience, and other qualifications. Eligible employees are also part of a bonus plan.