HVAC Contractors in Chelmsford
1 HVAC contractors in Chelmsford with multi-platform trust scores.
Loading hvac contractors...
Who is the best HVAC contractor in Chelmsford, Ontario?
The most trusted HVAC contractor in Chelmsford, Ontario is KC Heating & Air Conditioning, with a ProScore of 72/100. ProScore has scored 1 HVAC contractor in Chelmsford across 10+ data sources and 20+ trust signals. 1 of the 1 are Trusted-tier (70+) or higher.
Trust scores last computed September 19, 2026.
Which HVAC contractors in Chelmsford score highest?
All 1 scored hvac contractors in Chelmsford, ranked by ProScore.
ProScore scores 1 HVAC contractor in Chelmsford, and its average score is 72 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 1 is registered with WSIB and 1 holds a TSSA licence. 1 has Google reviews on file — 99 reviews in total, and 1 carries a Better Business Bureau rating.
KC Heating & Air Conditioning is the only HVAC contractor ProScore scores in Chelmsford, holding a ProScore of 72 out of 100 (Trusted tier). Its score draws on 99 Google reviews averaging 4.8 out of 5 and a Better Business Bureau rating of A+. Public records show it is registered with WSIB and licensed by the TSSA.
Of 1 hvac contractors in Chelmsford: 0 rated Elite (81+), 1 rated Trusted (70+), and 0 rated Good (54+).
How is an HVAC contractor's ProScore calculated?
Every HVAC contractor in Chelmsford 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 →Who are the top 3 HVAC contractors in Chelmsford?
Browse all hvac contractors in Chelmsford →What else should I check before hiring hvac contractors in Chelmsford?
Frequently Asked Questions
Who is the best HVAC contractor in Chelmsford?
KC Heating & Air Conditioning has the highest ProScore (72/100) among 1 hvac contractors in Chelmsford, 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 Chelmsford?
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 Chelmsford, 0 hvac contractors hold Elite-tier ProScores (81+), 1 is Trusted-tier (70+), and 0 are Good-tier (54+).
Are hvac contractors in Chelmsford 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 1 hvac contractors in Chelmsford by ProScore, 1 hold verified TSSA credentials and 1 carry active WSIB coverage.
How many hvac contractors has ProScore scored in Chelmsford?
ProScore has scored 1 hvac contractors in Chelmsford, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed September 19, 2026.
What's the ProScore distribution among hvac contractors in Chelmsford?
Among 1 hvac contractors in Chelmsford, Ontario: 0 are Elite-tier (81+), 1 is Trusted-tier (70+), and 0 are Good-tier (54+). The top 1 average a ProScore of 72/100, with KC Heating & Air Conditioning leading at 72/100.