What crane it usually takes
Most rooftop units weigh a few thousand pounds. The crane class is set by how far from the building the crane can stand and how high the roof is, so a small unit over a deep building can need a 60–100 ton crane.
Not sure? Run your numbers through the crane size calculator.
Worth knowing
- Ask the HVAC contractor for the unit weight including curb adapter
- Plan old-unit removal and new-unit set in the same booking
- Early-morning or weekend lifts avoid store hours and traffic
- Check roof access for the rigging crew
What to send operators
- Unit model or weight
- Building height and where the unit sits on the roof
- Parking options around the building
Questions
Can a crane lift a unit to the middle of a big roof?
Yes, but the radius may be large. Measure from the nearest place the crane can set up to the curb location; that number decides the crane size.
