Chimney.Services

Connecticut: who needs a license to work on your chimney or fireplace?

Checked Jul 2026·Laws as cited·Not in the Sep 2026 verification pass

Public recordCT LAW

For consumer remedies, home-sale rules and carbon monoxide law, see Connecticut chimney & fireplace laws — know your rights. That page was verified more recently than this matrix.

Stove & insert installation: is a credential required in Connecticut?

#stove-installREGISTRATION
Credential
HIC registration only — the HPG gas-hearth license is expressly limited to propane/natural-gas hearth products, so WOOD and PELLET stove installs fall outside the licensed-trades regime; building permit under 2022 CT State Building Code (2021 IRC portion, permits from 10/1/2022)
Issuing body
CT Dept. of Consumer Protection (HIC registration); local building officials (permits)
Statute
Home Improvement Act, Conn. Gen. Stat. § 20-418 et seq. (per rights research); 2022 CSBC (2021 IRC portion)
Dollar threshold
none
Exam
n
Local overlay
n
Confidence
high · checked 2026-07-09
Sources
GOVportal.ct.gov/dcp/occupational-and-profes…REFcodes.iccsafe.org/content/CTRC2022P1

Gas fireplace service: is a credential required in Connecticut?

#gas-fireplace-serviceLICENSE
Credential
HPG-1 limited heating cooling contractor (gas hearth) / HPG-2 journeyperson — gas hearth product work incl. gas fireplaces, inserts, stoves, log sets + venting; fuel piping excluded (needs S-type or P-1 license)
Issuing body
CT Dept. of Consumer Protection (Heating, Piping, Cooling & Sheet Metal Work Examining Board)
Statute
Conn. Gen. Stat. Ch. 393, § 20-334a; Conn. Agencies Regs. § 20-332-5
Dollar threshold
none
Exam
y (exam; NFI hearth certificate course prerequisite for HPG-1)
Local overlay
n
Confidence
high · checked 2026-07-09
Sources
GOVportal.ct.gov/dcp/occupational-and-profes…GOVcga.ct.gov/current/pub/chap_393.htmREFlaw.cornell.edu/regulations/connecticut/Reg…

Gas log installation: is a credential required in Connecticut?

#gas-log-installLICENSE
Credential
HPG-1/HPG-2 gas hearth installer — log sets expressly named in the gas hearth product work definition
Issuing body
CT Dept. of Consumer Protection
Statute
Conn. Gen. Stat. Ch. 393; Conn. Agencies Regs. § 20-332-5
Dollar threshold
none
Exam
y
Local overlay
n
Confidence
high · checked 2026-07-09
Sources
GOVportal.ct.gov/dcp/occupational-and-profes…

What insurance does Connecticut require of contractors?

#insurance
Regime
registration (DCP HIC; Conn. Gen. Stat. ch. 400 sec. 20-418 et seq.)
Liability minimum
$20,000 GL (sec. 20-421(a)(3), added P.A. 21-197 eff. 7/1/2022 — CORRECTS our older 'no insurance' note); $1,000,000 for underground heating-oil tank removal (20-420(a)(B))
Bond
none (former surety bond deleted by P.A. 09-122, 2009; third-party '$15k CT bond' claims are wrong)
Guaranty fund
Home Improvement Guaranty Fund: $25,000/claim (sec. 20-432(k), raised from $15k by P.A. 21-197); funded $100/yr per contractor ($40 salespersons); fund cap $750k; trigger = unpaid court judgment, arbitration award, or restitution order (incl. DCP/AG proceedings); contractor must have been registered; 2-yr claim window
Workers' comp threshold
1 employee triggers (ch. 568); sole prop NOT covered unless opts in; officers/LLC members may elect out (Forms 6B/75)
How to verify
insurance ATTESTED only (policy number + insurer name typed on application; no COI filed; self-update within 30 days per 20-420(g)); registration lookup elicense.ct.gov; WC lookup: CT WCC Coverage Verification Service (NCCI POC)
Confidence
high · checked 2026-07-09
Sources
REFlaw.justia.com/codes/connecticut/title-20/…REFlaw.justia.com/codes/connecticut/title-20/…GOVportal.ct.gov/dcp/license-services-divisi…GOVportal.ct.gov/wcc/online-services/coverag…

Download the full licensing matrix (CSV) · All states

Before anyone goes on your roof

What should you ask a chimney company in Connecticut?

  1. Is your company a member of the National Chimney Sweep Guild (NCSG)?
  2. Does the technician coming to my home hold an individual NCSG certification, and which one?
  3. Does the technician hold a National Fireplace Institute (NFI) certification — and for which fuel: wood, gas, or pellet?
  4. What other certifications does the technician hold (for example, CSIA), and can I check them on the issuer's own roster?
  5. What state or local license or registration covers this work here, and what is the number?
  6. Will you send a certificate of insurance, dated and naming your company, before work starts?
  7. Which NFPA 211 inspection level — Level 1, 2, or 3 — are you performing, and why that level?
  8. Will you show me what you found — photos or video of the flue — in writing?

We take no fee from any certification body, guild, or contractor, and are not paid to mention anyone named.