HVAC companies in Seneca, SC 29678
4 HVAC companies, with local market data for this ZIP.
General contractors 23Roofing and exteriors 8Electricians 4HVAC 4Concrete and masonry 3Excavation and demolition 3Remodeling 3Flooring and tile 2Other construction trades 2Garage doors 2
Area profitability, HVAC42 / 100Moderate market, balanced field
Typical home value$253,000+2.5% in the past year
New homes permitted, 2025753Oconee County
Homeowners63.1%10,311 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Best Services of OconeeHVAC contractor · 107 W North 2nd St, Seneca(864) 888-8484 · bestservicesofoconee.com
Coster Heating & Air Conditioning, IncHVAC contractor · 402 E Railroad St, Seneca(864) 874-4267 · costerheatingair.com
Heavenly AireHVAC contractor · 215 Tokeena Rd, Seneca(864) 888-1931 · heavenlyaire.com
Pittman Heating & Air Conditioning IncHVAC contractor · 205 By Pass, 205 By Pass, Ste 123, Seneca(864) 882-3215 · pittmanac.com
HVAC in ZIP 29678 at a glance
Local building angle: Oconee County permitted 753 new homes in 2025, including 20 apartment units. 30% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.