HVAC companies in Honolulu, HI 96821
1 HVAC companies, with local market data for this ZIP.
Area profitability, HVAC86 / 100Strong market, balanced field
Typical home value$1,834,000+5.5% in the past year
New homes permitted, 20251,446Honolulu County
Homeowners86.1%6,794 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Smart Energy Hawaii, a division of 21st Century TechnologiesHVAC contractor · 5823 Kalanianaole Hwy, Honolulu(808) 373-4559 · smartenergyhawaii.com
HVAC in ZIP 96821 at a glance
Local building angle: Honolulu County permitted 1,446 new homes in 2025, including 717 apartment units. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.