Key Takeaways

• Submit mechanical + electrical permits before scheduling deliveries to avoid fines.
• Condo projects require AOAO approval letters plus certificate of insurance.
• Neighbor island permit portals differ—plan timelines accordingly.

Honolulu (City & County of Honolulu) Requirements

• Mechanical permit (ME) + electrical permit (EE) both required for new systems.
• Apply via Honolulu DPP ePlans; expect 5-7 business day review for single-family homes.
• Upload load calculations, equipment spec sheets, and site plan noting condenser placement.
• Condo installs: attach AOAO approval, working hours policy, and elevator reservation proof.

Inspection Checklist

• Rough-in inspection for new line sets or electrical runs.
• Final inspection with equipment tags, permit cards, and photos of anchoring hardware.

Maui County Process

• Apply through Maui County Citizen Self Service (CSS) portal.
• Mechanical permit for refrigerant systems over 1 ton; electrical permit if new circuits are pulled.
• Coastal installs within SMA zones may require planning review—budget extra two weeks.

Hawaii Island (Big Island)

• Use County of Hawaii EPIC system; register contractor license before filing.
• Windward vs. leeward inspections scheduled on different days—coordinate with your electrician.
• Popular subdivisions often require association sign-off on noise and setback guidelines.

Kauai County Notes

• Paper permits still accepted, but digital submissions recommended.
• Expect 7-10 business days for review; plan staging equipment accordingly.
• Coastal areas mandate stainless or epoxy-coated fasteners—document compliance for final sign-off.

Documentation Homeowners Should Save

• Permit copies (mechanical, electrical, planning).
• Signed inspection cards and final approval emails.
• Warranty registration confirmation and maintenance agreements.

Need help navigating island-specific permits?
Call Islands AC at (808) 765-7001 and let our permitting coordinators file the paperwork while you plan your installation.