Company Description Mainline HVAC specializes in heating, cooling, and metal fabrication solutions for residential and commercial clients. The company delivers customized HVAC systems, sheet metal work, and related services focused on quality, reliability, and long-term performance. Team members collaborate closely with contractors, builders, and property owners to design and implement efficient mechanical systems. Mainline HVAC values safety, craftsmanship, and customer satisfaction in every project.
Role Description The Lead Estimator role at Mainline HVAC is a full-time, on-site position based in Birmingham, AL. The Lead Estimator is responsible for reviewing plans and specifications, performing detailed quantity takeoffs, and preparing accurate cost estimates for HVAC and metal fabrication projects. This role coordinates with project managers, engineers, vendors, and subcontractors to collect pricing, validate scope, and ensure estimates reflect current material and labor costs. The Lead Estimator develops bid proposals, supports bid reviews, and participates in value engineering to improve project competitiveness and profitability. Daily tasks include maintaining estimating tools and databases, tracking historical cost data, and supporting handoff from preconstruction to project execution.
Qualifications

Demonstrated experience estimating HVAC and metal fabrication projects, including reading and interpreting construction drawings and specifications.
Proficiency with estimating software, spreadsheets, and digital takeoff tools, along with strong math and analytical skills.
Solid understanding of mechanical systems, building codes, and industry standards related to heating, cooling, and sheet metal work.
Strong communication and collaboration skills to work effectively with internal teams, suppliers, subcontractors, and clients.
Ability to prioritize multiple bids, meet deadlines, and maintain accuracy in a fast-paced environment.
Experience leading or mentoring junior estimators or preconstruction team members is highly beneficial.
High attention to detail, sound judgment, and a commitment to safety, quality, and ethical business practices.
Associate or bachelor’s degree in Construction Management, Mechanical Engineering, or a related field, or equivalent field experience.
Previous experience in HVAC contracting, mechanical construction, or metal fabrication estimating is strongly preferred.

Mainline HVAC

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Lead Estimator