Quick-Sling LLC showed a variety of mounting systems for HVAC units. Quick Swivel QSWI3000 mounts parallel to one joist or perpendicular across two, with slots allowing 16- or 24-inch on-center mounting. The unit rotates 360 degrees and then locks in the desired position. QSMS1201 is a 12-inch-high mini-split stand that fits units that are 18,000 Btu and up. Each foot is slotted to bolt to concrete, wood, or a plastic pad for stability and security. QSMS1202 has a fixed height of 12 inches and a width of 30.5 inches, and is used to mount a dual fan condenser to ensure it is off the ground safely with no tip-overs.
Source: ACHR News (a part of news report)