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Islands AC

Hawaii Air Conditioning

Maintenance & Protection

Kauai AC Upgrade Checklist for 2026

📅 2025-11-08
✍️ Islands AC

Key Takeaways

  • Evaluate salt-air damage first to decide on repair vs. replacement.
  • Schedule work around shipping lead times and Hanalei/Princeville access windows.
  • Document every maintenance task to keep warranties active in the Kauai climate.

Step 1: Assess Existing System

  • Inspect condenser fins for corrosion, coil leaks, and flaking paint.
  • Check air handler rust, drain pan condition, and blower wheel cleanliness.
  • Note electrical panel age—many North Shore homes need breaker upgrades.

Step 2: Plan for Equipment Shipping

  • Order coastal-rated equipment 3-4 weeks ahead; Matson schedules fill quickly.
  • Confirm crane availability for hillside homes (Princeville, Poipu).
  • Stage epoxy coatings, sacrificial anodes, and stainless hardware before install day.

Step 3: Secure Permits and HOA Approvals

  • Kauai County mechanical + electrical permits: budget 7-10 business days.
  • Resort communities (Princeville, Kukuiula) require architectural committee approval.
  • Provide noise data and placement drawings to board reviewers.

Step 4: Protect Against Salt and Humidity

  • Install wind baffles or fencing to reduce salt spray on condensers.
  • Schedule quarterly freshwater rinses with technician-grade coil cleaners.
  • Add UV lights or high-MERV filters to control mold during wet seasons.

Step 5: Final Walk-Through

  • Verify thermostat programming, humidity settings, and zoning maps.
  • Collect warranty documents, maintenance schedule, and emergency contacts.
  • Set reminders for quarterly service—Kauai’s climate accelerates wear.

Ready to upgrade your Kauai AC?
Reach Islands AC at (808) 765-7001 for a customized replacement plan tailored to coastal homes.

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