First Co HVAC fan coils, air handlers, and packaged units — reliable heating and cooling solutions for residential and commercial systems

First Co

First Co — HVAC Units, Fan Coils & OEM Replacement Parts

First Co. focuses on through-wall packaged units, air handlers and hydronic systems designed for apartments, hotels and multi-family buildings.

First Co has been a trusted manufacturer of high-quality HVAC systems and components for over 50 years. At HVACProSales.com, we offer a complete line of First Co air handlers, fan coils, and OEM replacement parts built for efficiency and durability. Whether you’re servicing residential or commercial units, First Co products deliver reliable comfort and long-term performance — all available with fast dropship delivery and expert support.

Core Product Categories

  • Packaged / Through-Wall Units: compact, serviceable designs for retrofits and new builds.
  • Air Handlers: hydronic and fan-coil solutions.
  • Hydronic / Water-Source: Hydro-Tech and water-based systems.
  • Controls & Parts: boards, sensors, motors, kits.

Shop First Co.

Order genuine First Co. HVAC units and parts at HVACPartsales.com.