The Sheet Metal Fabrication Process

At Lockmer Sheet Metal in Butte, Montana, we are the trusted experts in creating the essential ductwork that powers your home or business's heating and cooling systems. We provide reliable and expert solutions to keep our community comfortable year-round. We understand the critical role that precisely fabricated sheet metal plays as the delivery system for conditioned air, particularly for furnace and forced air heat systems.


We transform flat metal sheets into the precise, functional components that make up your furnace and forced air heat systems. Our process involves a series of coordinated steps, all designed to deliver exact specifications and long-lasting results.


Understanding HVAC and Sheet Metal

It's helpful to understand the distinction between "HVAC" and "Sheet Metal" in our industry. HVAC is often a blanket term for the units and controls themselves that produce heating, cooling, or move air in or out of spaces. These are typically handled by "HVAC guys" who specialize in A/C, refrigeration, and service. Sheet Metal, on the other hand, is the crucial delivery system used to get the conditioned or unconditioned air from one place to another. "Sheet metal guys" come in to do the ductwork, hang or set ventilation, fan coils, and sometimes furnace units in place, depending on their contract. Some professionals and companies do both, while others specialize based on their licenses and expertise. At Lockmer Sheet Metal, we do both HVAC and Sheet Metal and are the Sheet Metal experts, ensuring the air delivery system is perfectly crafted.


The 5 Steps of Our HVAC Ductwork Fabrication Process

Our skilled technicians follow a precise sequence to turn raw sheet metal into functional, high-performance HVAC components. We control every phase to deliver strong, custom-built results for residential, commercial, and industrial needs across Butte.

  1. Design and Planning: This critical first step ensures your HVAC system is perfectly integrated into your space.

    • For design-build projects: Our expert technicians survey the area where the ductwork will be installed, taking physical measurements. We consider all components involved in a duct system's assembly, including airflow characteristics, ductwork classification, and the optimal HVAC duct shapes.

    • For commercial and new build projects: We work seamlessly with mechanical engineers and architects, reading their plans to ensure installation is exactly as designed. This attention to detail eliminates guesswork and guarantees precise results from the start.

  2. Material Selection: The choice of material is vital for the efficiency and longevity of your HVAC system. We select materials based on factors such as cost-effectiveness, energy consumption, workability, and the precise specifications outlined in project plans. Our material options commonly include durable stainless steel, lightweight aluminum, and versatile galvanized steel.

  3. Cutting and Shaping: With the design finalized and materials chosen, our technicians measure the selected sheet metal. They then carefully cut and shape the materials to match the required dimensions for your ductwork components.

  4. Forming and Assembly: This is where the individual pieces come together. The carefully formed metal pieces are joined using the necessary parts and proven techniques, ensuring a secure and seamless assembly for your HVAC system.

  5. Quality Control: Our commitment to quality is evident throughout the entire process. Our team provides continuous quality checks, ensuring that:

    • Dimensions are precise and consistent.

    • Joints are securely fastened for airtight performance.

    • Insulation is correctly applied for maximum energy efficiency.

    • All ducts meet local building codes and industry standards, providing you with peace of mind and reliable operation for years to come.


Custom Ductwork Applications and Installation Services for Every Space

As the circulatory system for air throughout your home or business, ductwork formed by Lockmer Sheet Metal's fabrication process can be customized for any application in Butte.


We also provide expert installation services:

  • Residential Central Air: We install residential central air systems designed to work seamlessly with your existing forced air system.

  • Mini-Split Systems: For homes that have hot water heat, we install efficient mini-split systems.

  • Commercial Units: Our team is equipped to troubleshoot, repair, and install commercial HVAC units.

  • Customization for Any Application: Our ductwork can be custom-fabricated into different sizes, shapes, and styles to fit unique spaces and specific airflow requirements.

  • Commercial Rooftop HVAC Units: For commercial settings, we understand the benefits of rooftop HVAC units, which can save valuable interior space and are often easier to maintain. Subject to availability, these units are highly efficient in meeting the significant airflow demands of larger commercial spaces.

  • Heavy-Duty Systems for Large Spaces: In extensive commercial or industrial environments, heavy-duty systems can be custom-fabricated to help maintain consistent temperatures and optimal air quality across sizeable areas.


At Lockmer Sheet Metal, we bring unmatched expertise to every HVAC project in Butte, Montana. Our experienced team ensures every detail meets the highest standards of precision and care.


Get Started with Custom HVAC Fabrication and Trane Solutions You Can Trust in Butte, Montana

Knowing how our sheet metal fabrication process works and understanding our expertise with various products helps you make informed decisions about your next HVAC project. Lockmer Sheet Metal delivers precision, durability, expert craftsmanship, and reliable solutions built to your specifications. Our team works with homeowners, businesses, and property managers across Butte and beyond.


If you would like to request a quote or discuss your custom HVAC fabrication needs, please contact us today.

Image source: Pixel B// Shutterstock

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