Carpenter/Handyperson to Mount or Build Shelf for a Portable AC Unit

Carpenter/Handyperson to Mount or Build Shelf for a Portable AC Unit (Arlington) image 1 of 1 compensation: TBD Mount a 75-pound portable air conditioner on a wall OR build a simple table for the unit to sit approximately 6 feet from the ground. Unit dimensions: 19.41" wide x 30.43" tall x 18.11" deep Wall details: Painted drywall with no studs nearby. Previously attempted to mount a shelf with brackets, but the shelf failed and crashed down with the unit. Please with your recommended approach and estimated cost. Open to scheduling a call to discuss. post id: ... [ ]