HVAC companies in Mililani, HI 96789
3 HVAC companies, with local market data for this ZIP.
General contractors 15Roofing and exteriors 5HVAC 3Remodeling 3Carpentry, drywall and windows 2Electricians 1Painting 1Concrete and masonry 1
Area profitability, HVAC80 / 100Strong market, balanced field
Typical home value$884,000+2.4% in the past year
New homes permitted, 20251,446Honolulu County
Homeowners77.8%19,126 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Air-O-SmithHVAC contractor · 94-501 Alapoai St, Mililani(808) 523-7767 · waterheatersoahu.com
D & D Air Conditioning-Refrigeration LLCHVAC contractor · Mililani(808) 623-1335 · 3 drivers, 1 truck
KK Air ConditioningHVAC contractor · Mililani(808) 680-0143 · 6 drivers, 1 truck
HVAC in ZIP 96789 at a glance
Local building angle: Honolulu County permitted 1,446 new homes in 2025, including 717 apartment units. 18% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.