Founded by Ed Siegfried Sr. in January,1975, EF Siegfried, LLC has grown from a modest operation with just three product lines to a well-established HVAC manufacturers' representative with over 20 premier product lines. For 50 years, our commitment has been the same: to support contractors with high-performance HVAC products, including grilles, registers and diffusers, louvers, fans, equipment screens, and ductwork.
We serve commercial and industrial clients with professionalism and integrity, offering a wide selection of HVAC products that meet rigorous engineering standards. Our success is built on hard work, dependable relationships, and superior customer service—always treating clients the way we would like to be treated.
To provide contractors and engineers with the most reliable, high-performing HVAC products on the market. We ensure competitive lead times, fair pricing, and unmatched support in product selection and fulfillment.
Either you're sourcing HVAC products for contractors or designing a system that requires custom sheet metal HVAC supplies, we are here to support your project needs with precision and care.
We operate as a trusted bridge between top-tier HVAC manufacturers and contractors who install HVAC systems in commercial and industrial environments.