Duncan Heating & Air Conditioning Sales & Service, a home service business, installs, repairs, and maintains HVAC systems for residential and commercial clients in Columbia, South Carolina.
Operator computes a Health score continuously. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Duncan Heating & Air Conditioning Sales & Service broke down on May 1, 2026.
Operator ranks every home service in Columbia continuously using reviews, response rate, and local market share.
The numbers tell one story. The photos tell another. Images are indexed from Google Business Profile, the public website, and connected social profiles.
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The questions people ask before they call.