Commercial HVAC Estimator / Assistant Project Manager

Build high-impact commercial mechanical projects with a growing industry leader. Flow Building Solutions specializes in commercial and industrial HVAC, mechanical, and plumbing services throughout the Atlanta market, delivering turnkey solutions, optimizing building performance, and managing technically demanding projects with precision and professionalism.

About the role

This position is ideal for a skilled estimator with strong commercial HVAC and mechanical systems experience who wants to play a critical role in pricing, planning, and supporting large-scale commercial and industrial projects. You will work on complex HVAC replacements, mechanical upgrades, energy optimization solutions, and large-tonnage equipment projects while gaining valuable project coordination experience that can lead to future growth into senior estimating or project management roles.

This role is primarily office-based, with occasional field visits for pre-bid meetings, site verification, and project support.

Responsibilities

• Prepare accurate and competitive cost estimates for commercial mechanical and HVAC projects by reviewing drawings, specifications, and bid documents.
• Perform detailed labor and material takeoffs.
• Develop proposals and coordinate vendor and subcontractor pricing.
• Ensure all estimates are complete and aligned with project scope.
• Support project coordination through submittals, RFIs, procurement assistance, job cost tracking, and documentation management.

Requirements

• At least 5 years of commercial HVAC or mechanical estimating experience.
• Strong knowledge of commercial mechanical systems, construction practices, and estimating processes.
• Comfortable reading construction plans and specifications, performing digital takeoffs, managing documentation, and working with estimating software such as FastEST, QuoteSoft, Trimble, Bluebeam, or similar platforms.
• Proficiency in Microsoft Office and a valid driver's license.
• Strong communication, organization, and vendor coordination skills.

Preferred Qualifications

• Experience supporting projects from preconstruction through closeout, subcontractor buyout, scheduling, and job cost tracking.
• A degree in Construction Management, Engineering, or a related field (preferred but not required for candidates with strong practical experience).

Benefits

• 100% employer-paid medical, dental, and vision insurance for employees.
• Family coverage options available.
• 401(k) with 6% company match.
• 10 days PTO starting immediately with no blackout periods.
• 5 sick days and 9 paid holidays.
• Company laptop and phone provided.
• Boot and uniform allowance.

Pay

$32.00 - $40.00 per hour based on experience.

Schedule

Full-Time | Monday-Friday | Standard 8-Hour Shift with flexibility based on project demands.