HVAC companies in Johns-Island, SC 29455

8 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC74 / 100Strong market, crowded field
Typical home value$747,000+2.5% in the past year
New homes permitted, 20253,392Charleston County
Homeowners88.2%11,616 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

AGL Heating & AirHVAC contractor · 3429 Maybank Highway, Johns-Island(843) 628-0095 · aglair.com
Carney & Son 72 DegreesHVAC contractor · 3528 Meek's Farm Rd, Johns Island(843) 762-4304 · carneyandson.com
Carolina Comfort SpecialistsHVAC contractor · 5552 Frisco Ln, Johns Island(843) 364-4247 · carolinacomfortspecialists.com
Green Dot Heating & AirHVAC contractor · 3609 River Rd Ste 230, Johns Island(843) 559-6823 · greendothvac.com
Green Dot Heating & AirHVAC contractor · 3609 River Rd Ste 230, Johns Island(843) 881-1044 · greendothvac.com
Passion Heating and AirHVAC contractor · 3436 Maybank Hwy Unit C, Johns Island(843) 834-0607 · passionhvac.com
Passion Heating and AirHVAC contractor · 2931 Blackfish Rd, Johns Island(843) 834-0607 · passionhvac.com
AGL Heating & AirHVAC contractor · 3226 Maybank Hwy, Johns Island(843) 795-0066
ProCoat HVAC Protective Coating LLCHVAC contractor · 807 Main Rd, Johns Island(843) 906-6766
Southern Air SolutionsHVAC contractor · 1773 Clark Hills Cir, Johns Island(843) 536-1700

HVAC in ZIP 29455 at a glance

Local building angle: Charleston County permitted 3,392 new homes in 2025, including 842 apartment units. 48% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.