HVAC contractors leads in Charleston city, SC — 87 scored businesses
Charleston city has 87 active HVAC contractors profiled on LocalVein, with a median vulnerability score of 2 out of 100. About 24% operate without a website — the single strongest signal that a local service business is open to hiring a marketing agency.
The HVAC contractor market in Charleston city
87 HVAC contractors in Charleston city make this a mid-density vertical: enough operators to support real specialization, not so many that prospect ranking by data signal is the only way to find a fit. The median operator carries 117 reviews, a useful baseline — anything well below that line is a vulnerability signal LocalVein flags for follow-up.
The vulnerability distribution in Charleston city's HVAC vertical skews high enough to justify investment: 0 of 80 operators — 0% — are sitting at 50+ on the composite score. 24% of the vertical is operating without a website, which is the cleanest yes/no filter available. The agency playbook in a distribution this heavy at the top is to rank by score, deduplicate against existing accounts, and pitch the top decile within the first two weeks before competitors touch them. Vulnerability decays as operators fix their gaps, so speed-to-contact is a real edge in this list.
US benchmarks: median review count 32, share of operators with no website 22%. Markets where either number sits well above the benchmark concentrate more agency-ready prospects per outreach hour.
Where the 87 HVAC contractors land on the 0–100 score
A sample of Charleston city HVAC contractors we've profiled
- Fogel Services, Inc.HVAC contractor
- A/C Repair Near MeHVAC contractor
- Air Duct CharlestonHVAC contractor
- 5 Star Charleston Johns IslandHVAC contractor
- Berkeley Heating & Air ConditioningHVAC contractor
Showing 5 of 87. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.
How we measure opportunity
Public-sector demographic data
Population, household income, home value, homeownership rate, median year structure built and self-employment density come from authoritative public demographic releases. Refreshed annually.
Live business records
Business names, addresses, ratings, review counts, websites, phone numbers and operating status come from live business records. Each profiled business is re-checked regularly so stale data drifts off the page.
Composite vulnerability score
We blend 19 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density and visual brand, plus eleven more) into a 0–100 score. Higher means more likely to engage with marketing services.
Related searches
Frequently asked
- How many HVAC contractors are in Charleston city, SC?
- LocalVein's latest scan of Charleston city identified 87 active HVAC contractors. Median review count is 117, with a median Google rating of 4.9 stars. Refreshed April 2026.
- How does LocalVein rank HVAC leads for vulnerability?
- LocalVein blends 19 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density, visual brand quality and several others) into a 0–100 vulnerability score. For Charleston city's HVAC contractors, the median score is 2, with 0 operators scoring above 50 — those are the most likely to engage with new agency outreach.
- What percent of Charleston city HVAC contractors have no website?
- 24% of HVAC contractors in Charleston city have no website at all in our index. No website is the single strongest "leaving money on the table" signal we track, and most agencies start their outbound by sorting on this column.
- Can I get phone numbers and line types for Charleston city HVAC contractors?
- Yes — LocalVein exports full phone numbers on every paid plan. Phone line type detection (mobile / landline / VoIP) is a Core-tier and above feature, which agencies use to route SMS-eligible prospects to a separate outreach sequence than landline-only operators. For Charleston city's HVAC contractors, line types populate on the first paid scan and persist indefinitely — phone line types almost never change.
- How often is the Charleston city HVAC list refreshed?
- Each HVAC contractor record is re-checked whenever a user scans the vertical. Charleston city's demographic numbers (population, home value, demographic signals used in the vulnerability score) refresh annually. Most recent refresh on this page: April 2026.
The rest of HVAC contractors in Charleston city is behind a free signup.
- 5 sample businesses
- Phones masked (last 2 digits)
- No phone line-type classification
- No CSV export
- No vulnerability ranking on the full list
- all 87 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Charleston city HVAC contractor's score, phone, and line type
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