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CMC Sheet Metal LLC is a Norwich, Connecticut HVAC ductwork installer. The company says it has installed ductwork for homeowners and contractors across Connecticut for over 13 years, and it holds 5 stars from 12 ratings on Google. A 2025 customer said Chris replaced all of their outdated air ducts with new, energy efficient ducting, and called his pricing very fair.
Chris replaced all of our outdated air ducts with new, energy efficient ducting. He was very professional, polite ,knowledgeable and his pricing was very fair. I couldn't recommend him enough and look forward to working with him on my next project.
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from CMC Sheet Metal LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700
