Run a free full auditCullum Mechanical is an HVAC contractor in North Charleston, SC. Serving industrial and commercial industries throughout SC, North Carolina, and Georgia, the company specializes in HVAC, plumbing, medical gas piping, and process piping projects. With a 4.20 rating from 51 reviews, they provide comprehensive mechanical construction and maintenance services.
Since its founding in 1972 by Furman Cullum, the company has grown into a major provider of mechanical design and construction services. Their expertise includes design-build and design-assist capabilities, alongside specialized plumbing services for healthcare facilities, processing plants, and commercial office buildings. The company's service team focuses on the repair, installation, and maintenance of industrial and commercial HVAC systems, including chilled water systems, heat pumps, and industrial ventilation. Their operations are supported by a 30,000-square-foot corporate headquarters that includes 18,000 square feet of dedicated space for project support and state-of-the-art sheet metal and pipe prefabrication facilities.
Cullum Mechanical is located on Pacific St in North Charleston.
The business maintains thorough, well-documented information online, ensuring their services and capabilities are easily accessible. Their digital presence is well-optimized, making them easy to find through search engines.
Cullum Mechanical provides reliable and innovative mechanical solutions for the industrial and commercial sectors in North Charleston.
BizScoreAI scanned the website culluminc.com on May 5, 2026. Cullum Mechanical has a BizScore of 71 out of 100. The website audit behind the SEO score ran on October 22, 2026.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 8 of 25 points, Content Readiness 26 of 30 points, AI Trust Signals 14 of 20 points.
Website audit sub-scores (out of 100): On-Page 83, Technical 99, Performance 85, Content 45.
Strengths: 8 checks passed. AI Crawler Access, AI Content Blocking, Organization Schema, Q&A Content, AI-Parseable Headings, Meta Description, About/Team Page, XML Sitemap.
Areas to improve: 4 checks. llms.txt (failed), FAQPage Schema (failed), Speakable Schema (warning), Author Signals (warning).
Browse: Businesses in North Charleston, SC · HVAC Contractor in SC · Businesses in SC
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