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HVAC contractor · Plainfield city, NJ

HVAC contractors leads in Plainfield city, NJ — 54 scored businesses

Plainfield city has 54 active HVAC contractors profiled on LocalVein, with a median vulnerability score of 11 out of 100. About 32% operate without a website — the single strongest signal that a local service business is open to hiring a marketing agency.

Businesses
54
Median score
11
No website
32%
Updated
Apr 2026

The HVAC contractor market in Plainfield city

Pre-1970 is the majority in Plainfield city: a median build year of 1950 tells you original infrastructure dominates the rooftops. The agency opportunity for HVAC contractors here comes from fatigue, not choice — owners facing galvanized pipe, knob-and-tube, or aged masonry already know the work is coming. Outbound that leads with "planned major-system replacement" massively outperforms generic "need work done?" pitches in a housing cohort this deep into its second design cycle, and the volume of HVAC jobs compounds on referrals as one neighbor's pipe burst seeds the next block's pre-emptive swap.

54 HVAC contractors in Plainfield 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 32 reviews, a useful baseline — anything well below that line is a vulnerability signal LocalVein flags for follow-up.

The vulnerability distribution in Plainfield city's HVAC vertical skews high enough to justify investment: 0 of 41 operators — 0% — are sitting at 50+ on the composite score. 32% 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.

Businesses
54
Median rating
4.8★
Median reviews
32
No website
32%

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 54 HVAC contractors land on the 0–100 score

0–1011–2021–3031–4041–5051–6061–7071–8081–9091–100
Of 54 HVAC contractors scanned, 0 scored above 50 — the zone where agencies report the highest close rates.

A sample of Plainfield city HVAC contractors we've profiled

  • SRG MechanicalHVAC contractor
  • Hardin IncHVAC contractor
  • Heating & CoolingHVAC contractor
  • Pure Mechanical LLCHVAC contractor
  • Hills Heating and Air ConditioningHVAC contractor

Showing 5 of 54. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.

How we measure opportunity

Demographic intelligence

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.

Business signals

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.

Scoring weights

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.

Frequently asked

How many HVAC contractors are in Plainfield city, NJ?
LocalVein's latest scan of Plainfield city identified 54 active HVAC contractors. Median review count is 32, with a median Google rating of 4.8 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 Plainfield city's HVAC contractors, the median score is 11, with 0 operators scoring above 50 — those are the most likely to engage with new agency outreach.
What percent of Plainfield city HVAC contractors have no website?
32% of HVAC contractors in Plainfield 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 Plainfield 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 Plainfield 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 Plainfield city HVAC list refreshed?
Each HVAC contractor record is re-checked whenever a user scans the vertical. Plainfield city's demographic numbers (population, home value, demographic signals used in the vulnerability score) refresh annually. Most recent refresh on this page: April 2026.
What you see vs. what you get

The rest of HVAC contractors in Plainfield city is behind a free signup.

Public view (this page)
  • 5 sample businesses
  • Phones masked (last 2 digits)
  • No phone line-type classification
  • No CSV export
  • No vulnerability ranking on the full list
Free plan (3 scans / month)
  • all 54 businesses
  • Full phone numbers
  • Ranked by vulnerability score
  • Demographic intelligence per market
  • Generic CSV export (CRM-ready)
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