Installation of Two Rooftop Package Units Antioch, California
Details
Client Residential Client
Completed 02/02/2026
Timeframe Same Day Service
Location Antioch, CA
- A/C Installation
crane, 11. The work area was secured
- Prepared the work area on the roof, ensuring safe access and proper working conditions.
- A crane was used to remove (lower) the existing package units from the roof safely.
- The new package units were lifted and set in place on the roof using the crane, positioning them correctly on their curbs/bases.
- Units were leveled and aligned to ensure proper operation.
- Ductwork connections were completed and properly sealed to prevent air leaks.
- Condensate drain lines were installed and connected, verifying proper slope for correct water drainage.
- Gas lines were connected in compliance with applicable codes and regulations.
- Electrical wiring and thermostat connections were completed.
- System pressures, voltages, and required adjustments were verified.
- Units were started up and operational tests were performed to confirm proper heating and cooling operation.
- The work area was secured and all debris and excess materials were removed.
and all debris and excess materials were removed.






