Overview
Rooftop HVAC units, generators and other equipment often require crane lifts. These lifts involve coordination with mechanical contractors, building owners and sometimes street permits.
Lift planning considers unit weight, rigging, radius to the roof location and setup space. Early morning lifts are common in busy areas.
Rigging points and curb adapters should be prepared before the lift.
The usual process
- Rigging and lift.
- Confirming unit weights.
- Planning crane position.
- Permits and traffic control.
- Setting the unit.
What affects the outcome
- Weights should include rigging.
- Building access may be limited.
- Street permits may be needed.
- Coordination with HVAC contractors.
- Weather.
Local notes for Orange County
In California's dense urban areas, street setups frequently need city permits and traffic control, and many lifts are scheduled early in the day to minimize disruption. Projects near the coast may contend with marine-layer fog.
We take inquiries from Anaheim, Irvine, Santa Ana, Huntington Beach, Costa Mesa.
What to have ready
- Mention whether you need an operator, rigging, delivery, permits or traffic control, or plan to handle those yourself.
- Share your preferred dates, working hours and how long you expect to need the equipment or service.
- Note any site rules, such as general contractor requirements, safety orientation, insurance certificates or restricted hours.
- Note the lift height, reach or pour distance needed, measured from where the equipment would set up.
- Include photos of the site and the setup area if you can.
- List the heaviest and largest items or loads, with approximate weights and dimensions, or share the equipment spec sheet.
- Describe the job site: address or nearest cross streets, access route, ground conditions and any overhead lines, trees or structures.
Warning signs
- No clear answer about who is responsible for permits, traffic control or site preparation.
- No questions about loads, ground conditions or site access before quoting.
- Pressure to proceed without a lift plan or site visit on a complex job.
- Dismissing wind, weather or ground concerns rather than explaining how they will be managed.
- Vague answers about equipment inspection and maintenance records.
- Unwillingness to provide insurance certificates or operator qualifications when asked.
- No written quote that lists equipment, minimum charges, travel, overtime and cancellation terms.
What to ask before you commit
- Can you handle permits?
- What's the minimum charge?
- Do you work early mornings?
- What size crane is needed?
- Who provides rigging?
Common questions
- How long does the lift take?
- It depends on setup and the number of units.
- Are permits required?
- Often for street setups.
- Why use a crane for rooftop units?
- Cranes safely place heavy equipment on roofs.
Related topics
- Steel Erection: Crane support for steel erection, coordination and safety, and questions to ask.
- Operated and Maintained Crane Service: What operated and maintained crane rental includes, versus bare rental, and questions to ask.
- Construction Lifts: Using cranes for construction projects, scheduling and site coordination, and questions to ask a crane provider.