Best HVAC Contractors in Dundas, Ontario
The most trusted HVAC contractor in Dundas, Ontario is Gas Works Inc, with a ProScore of 60/100.
The most trusted HVAC contractor in Dundas, Ontario is Gas Works Inc, with a ProScore of 60/100. ProScore has verified 4 HVAC contractors in Dundas, scoring each across 10+ data sources and 20+ trust signals. None of the 4 meet the Trusted-tier (65+) threshold yet.
Last updated: June 20, 2026 · Data refreshed daily
How ProScore Ranks HVAC Contractors
Every HVAC contractor in Dundas is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including TSSA and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.
Read the full methodology →Top Rated HVAC Contractors in Dundas
Browse all hvac contractors in Dundas →Frequently Asked Questions
Who is the best HVAC contractor in Dundas?
Gas Works Inc has the highest ProScore (60/100) among 4 verified hvac contractors in Dundas, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (TSSA), WSIB coverage, and AI-analyzed customer sentiment.
How do I find a trustworthy HVAC contractor in Dundas?
Look for hvac contractors with verified TSSA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Dundas, 0 hvac contractors hold Elite-tier ProScores (80+), 0 are Trusted-tier (65+), and 2 are Good-tier (50+).
Are hvac contractors in Dundas licensed?
HVAC Contractors in Ontario are required to hold TSSA licensing. ProScore verifies this against official TSSA records for every provider in our database. Of the top 4 hvac contractors in Dundas by ProScore, 2 hold verified TSSA credentials and 1 carry active WSIB coverage.
How many verified hvac contractors are in Dundas?
ProScore has verified and scored 4 hvac contractors in Dundas, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Data is refreshed daily.
What's the ProScore distribution among hvac contractors in Dundas?
Among 4 verified hvac contractors in Dundas, Ontario: 0 are Elite-tier (80+), 0 are Trusted-tier (65+), and 2 are Good-tier (50+). The top 4 average a ProScore of 49/100, with Gas Works Inc leading at 60/100.