Coster Heating & Air Conditioning, Inc
HVAC contractor in Seneca, SC 29678
About this company
Coster Heating & Air Conditioning, Inc is listed as an HVAC contractor at 402 E Railroad St in Seneca, South Carolina, in Oconee County. It is one of 4 HVAC companies in ZIP 29678.
Other HVAC companies nearby
Pittman Heating & Air Conditioning Inc205 By Pass, 205 By Pass, Ste 123, Seneca
0.2 mi(864) 882-3215
Best Services of Oconee107 W North 2nd St, Seneca
0.4 mi(864) 888-8484
David's Heating and Air Conditioning1110 Frontage Rd, Seneca
1.9 mi(864) 882-0479
Heavenly Aire215 Tokeena Rd, Seneca
2.5 mi(864) 888-1931
Carolina Filters - Clemson Branch100 McCollum St Unit 4, Clemson
6.5 mi(800) 849-5646
Housing market around ZIP 29678
Figures describe the local area, not this company.
Typical home value$253,000+2.5% past year · +94% in 10 years
Typical rent$1,394+4.0% past year
12-month value outlook+1.9%
New homes permitted, 2025753Oconee County
Days to sale agreement38Seneca metro · 33 a year ago
Listings with a price cut30.3%Seneca metro
Sale price vs list96.2%Seneca metro
New construction sales15Seneca metro, Aug · −25% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
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.