Airco is seeking a Commercial HVAC Sales Engineer / Sales Estimator to drive growth in our commercial and industrial HVAC / mechanical contracting business. The ideal candidate will bring a proven book of business and be comfortable both selling and bidding projects ranging from smaller multi-thousand-dollar scopes to large, multi-million-dollar contracts.

This role is a cornerstone of our growth strategy — blending business development with technical estimating expertise to secure profitable work across the spectrum of project sizes.

Key Responsibilities

• Business Development & Sales

• Leverage an existing book of business to generate new opportunities in the commercial and industrial HVAC markets.

• Sell projects across a broad range — from service and retrofit jobs in the tens of thousands to major new construction or system replacements worth millions.

• Build and maintain relationships with owners, GCs, developers, engineers, and decision-makers.

• Develop and execute strategies to meet and exceed revenue targets.

• Represent Winchester Mechanical at client meetings, trade associations, and industry events.

• Estimating & Preconstruction

• Prepare accurate cost estimates for projects ranging from $10K–$2M+.

• Review drawings, specifications, and bid documents to define scope and requirements.

• Solicit and analyze subcontractor and vendor pricing. • Deliver competitive proposals and clear bid packages to clients.

• Work closely with project managers to ensure estimates translate into successful execution.

• Collaboration & Leadership • Coordinate with internal teams for seamless transition from sale to project delivery.

• Provide market insights on pricing, trends, and competitors.

• Support or mentor junior estimators when needed. Compensation & Benefits

• Competitive base salary plus performance-based incentives / commission.

• Comprehensive benefits package (medical, dental, vision, 401k, etc.).

• Career growth within a private-equity-backed platform actively investing in expansion.

Job Type: Full-time Benefits:

• $100,000 Base $250,000 OTE

• 401(k) 4% Match

• Dental insurance

• Health insurance

• Tools provided

• Vision insurance

Qualifications

• 7+ years of experience in HVAC / mechanical contracting with a strong mix of sales and estimating.

• Proven ability to win and price projects ranging from small commercial jobs to multi-million-dollar contracts.

• Established book of business and regional client network.

• In-depth knowledge of HVAC systems, mechanical design, and construction practices.

• Proficiency with estimating tools, Microsoft Excel, and related software.

• Strong communication, negotiation, and presentation skills.