134 HVAC contractors in Madison, WI — scored for agency prospecting
Madison has 134 active HVAC contractors profiled on LocalVein, with a median vulnerability score of 8 out of 100. About 15% 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 Madison
A median build year of 1979 means the typical Madison household is managing the "middle-aged home" problem — foundation is fine, envelope is mostly fine, but the mechanicals and finishes have been grinding through warranty life for decades. For HVAC specifically, this is where planning-horizon outreach converts: the homeowner isn't in crisis, but they know it's coming, and a well-timed quote now prevents a midnight call later. Cold outreach that respects this timing — low-pressure, education-adjacent, anchored to specific age-of-house failure modes — tends to produce the highest book rate per thousand sends.
134 HVAC contractors in Madison 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 44 reviews, a useful baseline — anything well below that line is a vulnerability signal LocalVein flags for follow-up.
The vulnerability distribution in Madison's HVAC vertical skews high enough to justify investment: 0 of 85 operators — 0% — are sitting at 50+ on the composite score. 15% 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 134 HVAC contractors land on the 0–100 score
A sample of Madison HVAC contractors we've profiled
- QOHVACS LLCHVAC contractor
- Greiber Heating & Sheet Metal, Inc.HVAC contractor
- Handyman Heating Cooling LLCHVAC contractor
- Springfield Heating and Air, LLCHVAC contractor
- JW Brager Heating and Cooling, LLCHVAC contractor
Showing 5 of 134. 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 Madison, WI?
- LocalVein's latest scan of Madison identified 134 active HVAC contractors. Median review count is 44, with a median Google rating of 4.8 stars. Refreshed April 2026.
- How does LocalVein rank HVAC leads for vulnerability?
- HVAC contractors in Madison are comparatively healthy on the obvious signals, so the ranking leans on the composite rather than any one red flag. The median HVAC contractor here scores 8/100, and 0 operators clear 50 — the band where new agency outreach tends to land. Treat the score as a starting filter, then open the contributing signals on the operators you actually want to work.
- What percent of Madison HVAC contractors have no website?
- 15% of HVAC contractors in Madison 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 Madison 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. Paid plans also surface a contact email for each business that publishes one on its own site — coverage is not universal. For Madison's HVAC contractors, line types populate on the first paid scan and persist indefinitely — phone line types almost never change.
- How often is the Madison HVAC list refreshed?
- Each HVAC contractor record is re-checked whenever a user scans the vertical. Madison'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 Madison 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 134 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Madison HVAC contractor's score, phone, line type, and contact email
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