CSIA
CSIA currently lists Certified Chimney Sweep, Certified Chimney Specialist and Master Chimney Sweep credentials, among others. Its public directory is specifically intended to help locate professionals and verify credentials.
Verify with CSIANFI
NFI certifies Gas, Woodburning, Pellet and Hearth Design Specialists. Individuals holding all three fuel-specific certifications are recognized as Master Hearth Professionals.
Verify with NFIF.I.R.E.
For a claimed F.I.R.E. credential, use the organization's own resources and verify the individual rather than assuming a company-wide credential.
Visit F.I.R.E.NCSG / CCP
NCSG's directory distinguishes member status and certifications. Verify the specific certification shown for the individual.
NCSG Certified Sweep SearchVerifySweep standard: We distinguish individual certification, company membership, course completion, manufacturer training and field experience rather than treating them as interchangeable.