East Coast Metal supply houses 127 Highway 75 Blountville TN 37617-5314 was established in 1954. They are wholesale supply houses of HVAC parts equipment and supplies for both residential and commercial markets. In 2004 East Coast Metal supply houses became part of Watsco the largest independent HVAC/R supply house company in the world. Areas Served: East Coast Metal supply houses has HVAC supply houses throughout the Southeast and Midwest. What Brands Does ECMD Sell? East Coast Metal supply houses carries a full line of HVAC supplies including Amana Aprilaire Armacell Bacharach Bristol Coleman Cooper CPS Daikin Danfoss Diversitech Emerson Fasco Fieldpiece Goodman Harris Hart & Cooley Heatcraft IPS JB Lenox Malco Nu-Calgon Paragon Rectorseal Sporlan Supco Trueair White Rodgers Yellow Jacket and many more.