Getting an air conditioner (AC) unit onto a roof without using a crane can be challenging but is possible with the right equipment, planning, and safety measures. Here’s a general guide on how to do it:

Important Note: Ensure that you have the necessary skills, experience, and safety equipment to perform this task. If you’re unsure or uncomfortable with the process, it’s strongly recommended to hire professionals with experience in HVAC installation.

Materials and Tools Needed:

• Strong and sturdy scaffold or ladder.
• A dolly or hand truck with pneumatic (air-filled) tires for better stability and shock absorption.
• Straps and ropes for securing the AC unit during transportation.
• Several strong and capable helpers.
• Safety equipment, including hard hats, gloves, and safety harnesses.
• Measuring tape and level for precise placement.

Steps to Get an AC Unit on a Roof without a Crane:

1. Assess the Roof:
   • Carefully inspect the roof where you intend to install the AC unit. Ensure it can support the weight of the unit and is structurally sound.
2. Determine the Best Location:
   • Choose the optimal location for the AC unit on the roof, considering factors like access to electrical connections, drainage, and airflow.
3. Measure the Opening:
   • Measure the size of any roof access hatch or opening where the AC unit will be lifted or moved through. Ensure the AC unit can fit through this opening.
4. Assemble Your Team:
   • Gather your team of helpers and ensure they are aware of the plan and safety precautions.
5. Prepare the AC Unit:
   • Ensure the AC unit is properly prepared for transport. Remove any detachable parts or panels to reduce its weight and size.
6. Secure the AC Unit:
   • Use straps and ropes to secure the AC unit to a dolly or hand truck. Ensure it is stable and won’t shift during transportation.
7. Transport the AC Unit to the Roof:
   • Carefully move the AC unit to the roof access point using the dolly or hand truck. This may involve navigating stairs or narrow passages, so proceed slowly and cautiously.
8. Lift the AC Unit onto the Roof:
   • With the AC unit positioned near the roof opening, use a scaffold or ladder to gain access to the roof. Have your team lift and guide the AC unit onto the roof. Use ropes or pulleys if necessary to control the descent.
9. Position and Secure the AC Unit:
   • Once the AC unit is on the roof, carefully position it in the desired location. Use a level to ensure it is placed correctly. Secure the unit in place according to the manufacturer’s instructions.
10. Reassemble the AC Unit:
    • Reattach any panels or parts that were removed earlier.
11. Connect Utilities:
    • Connect the AC unit to the necessary electrical and plumbing utilities. Ensure all connections are secure and follow safety guidelines.
12. Test the AC Unit:
    • Test the AC unit to ensure it is functioning correctly.
13. Clean Up:
    • Clean up the work area, remove any tools or equipment, and ensure the roof access point is secured.

Always prioritize safety when working on a roof, and consider consulting with a professional HVAC installer or contractor if you have any doubts about your ability to complete the task safely and effectively.