Eastern Sheet Metal has been a leader in providing HVAC ductwork for commercial and industrial applications for over 40 years. Oval and round spiral, single wall or double wall, you name it, ESM is poised to tackle any project large or small. Our AMCA certified spiral duct is custom designed and factory made in both our Cincinnati, OH and Dothan, AL facilities. With in-house drafting and estimating services ESM will work with you to deliver a customized HVAC experience geared towards quick response times and reducing overall project costs.