Electric Duct Heaters - Electric Duct heaters allow a lot of flexibility for many applications. Whether you need for trim load, spot heat or you are in a pinch for time or cost, Tutco's offering is second to none. We are pleased to offer Tutco open coil electric Duct Heaters. They give us fantastic support which helps us help you. Our standard lead time from release to ship is only 10 days with quickships available.