Old duct tape and wrap removed at the furnace so central air can be added
Example project
- Home
- 1960s one-story rambler in Coon Rapids with its original sheet metal ducts in an unfinished basement
- Original request
- Add central air, with a cooling coil set on top of the furnace and a line out to the outdoor unit
- Testing
- Samples by an MDH-certified inspector of the white tape on the duct seams, the wrap on the main supply trunk and the cloth connector between the furnace and the duct
- Found
- Asbestos in the seam tape and in the wrap on the first stretch of the supply trunk
- Clear
- No asbestos in the cloth connector
- Area
- About 45 sq ft of duct surface around the furnace
- Timeline
- Five-day notice, then one working day
- Cost
- $2,150
In this example, a family in Coon Rapids wants central air in their 1960s rambler. The HVAC contractor will cut into the supply plenum above the furnace to set a cooling coil, and the seams there are covered in old white tape, with a gray wrap on the first few feet of the main trunk.






