ThermFlo supports large companies, municipalities, and healthcare systems in the Upper Midwest providing 24/7 service for mission critical power generation, thermal, and data center systems. The Estimator – Special Projects is responsible for preparing accurate, competitive, and timely cost estimates for mission critical commercial projects, including both mechanical (HVAC) and electrical installations. This role applies advanced cost-estimating and cost-control methods to deliver high-quality project solutions that improve efficiency, reduce errors, and eliminate non-value-added work. Working closely with Operations and the Commercial Team, the Estimator develops preconstruction documents covering equipment, materials, and labor. The position also manages subcontractor bid solicitation and evaluation, scope reviews, and analysis of project plans and specifications for both new construction and facility upgrades. While the Estimator operates with a high degree of independence, they have the support of master tradesmen and seasoned engineers for technical expertise and design validation on complex scopes of work. This role is ideal for a detail-driven professional who thrives on responsibility while valuing collaboration on technically challenging projects.