Johnstone Supply of North Charleston

Heating equipment supplier North Charleston, SC
53 / 100

BizScore

How we score
42
AI Visibility
0
AI Ready
—
AI Agent ReadinessNot audited yet
57
SEO Performance
—
Freshness
—
Google Rating
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Contact Information

  • Address
    9590 Send a Message Email Store Sign In Store Site Columbia - #394 145 Windhill Drive, Suite 100Columbia, SC 29203-2617
    North Charleston, SC 29405

Location

About Johnstone Supply of North Charleston

Johnstone Supply of North Charleston is a heating equipment supplier in North Charleston, SC. It operates as a wholesale distributor for HVACR equipment, parts, and supplies. The business serves professional HVACR contractors, offering a selection of equipment and genuine OEM parts for residential, light commercial, refrigeration, and facilities maintenance needs. It provides replacements for nearly every major brand and maintains an extensive cross-reference system to help source hard-to-find parts. The store is located at 145 Windhill Drive in Columbia, SC.

The business operates Monday through Friday from 7:30am to 5:00pm and is closed on Saturdays and Sundays. It is part of Johnstone Supply, a cooperative of over 465 locally owned and operated stores across the United States and Canada. The Ware Group, the largest member of the cooperative, expanded the Johnstone Supply Cooperative in 1981 and has grown into a leading HVAC/R wholesaler in North and Central Florida, SC, and Georgia. The cooperative leverages national buying power to provide access to premiere brands in the HVAC/R industry.

Johnstone Supply emphasizes product selection, availability, and eCommerce to make it easy for contractors to do business. Its locally owned locations are serviced from a six-point distribution network with over 1.4 million square feet of space in Portland, OR; Las Vegas, NV; Dallas, TX; Joliet, IL; Allentown, PA; and Jacksonville, FL. The company maintains inventory customized to local markets in over 465 locations, with access to over 80,000 products online. Relationships with hundreds of top manufacturers provide access to two million special-order parts.

The business offers various ordering and fulfillment solutions, including curbside pick-ups, locker options, scheduled delivery, overnight inventory replacement, and Will Call solutions. It also provides extended hours and digital tools to assist with emergency repair parts, field requests, and weekly inventory replenishment. The cooperative supports contractors with Johnstone University, which offers hands-on product training and hundreds of classes, including NATE certified courses, to help build product and business knowledge.

Johnstone Supply of North Charleston supports local HVACR contractors with a wide selection of equipment and parts, backed by a national distribution network and training resources.

The business holds a Content Quality score of 75 out of 100, meaning its website answers customer questions and describes its pages clearly so AI assistants can quote the information directly. It ranks number 2 of 5 Heating equipment supplier businesses that BizScoreAI has scored in North Charleston.

Services:

  • Commercial Single Packaged Units
  • Evaporator Coils
  • Furnaces
  • HVAC Equipment Sales
  • Installation Accessories
  • Single Packaged Units
  • Split Systems

Score Summary

BizScoreAI scanned the website johnstonesupply.com on June 17, 2026. Johnstone Supply of North Charleston has a BizScore of 53 out of 100. The website audit behind the SEO score ran on October 27, 2026.

  • AI Visibility42 out of 100
  • SEO57 out of 100

AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 17 of 30 points, AI Trust Signals 15 of 20 points.

Website audit sub-scores (out of 100): On-Page 70, Technical 52, Performance 65, Content 40.

Strengths: 5 checks passed. AI Crawler Access, AI Content Blocking, Meta Description, About/Team Page, XML Sitemap.

Areas to improve: 5 checks. llms.txt (failed), Structured Data (failed), Q&A Content (warning), Weak Heading Structure (warning), Author Signals (warning).

AI engine reads

Read by AI engines 7 times in the last 30 days.

Counted from AI crawler and assistant visits to this page, identified by user agent.

See the full AI visibility report for this business

Contact Johnstone Supply of North Charleston

AI Visibility Score

How visible is this business to AI-powered search engines

42 /100
AI Discovery
40/100
Structured Data
0/100
Content Readiness
57/100
AI Trust Signals
75/100

Ways to improve this score

llms.txt Missing
Structured Data
Q&A Content
AI Visibility Scores bySEOScanPRORun a free full audit

SEO Score

Technical SEO health and search engine optimization

57 /100
On-Page
70/100
Technical
52/100
Performance
65/100
Content
40/100

Ways to improve this score

Improve Content
Improve Technical
Improve Performance

Local SEO Coverage

Directory presence and NAP consistency

— /100
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