Pipefitter licensing in Wisconsin

Nothing to bring — the only fitter Wisconsin licenses is the automatic fire SPRINKLER fitter, a different trade whose card is never a pipefitting qualification. The HVAC instrument is a BUSINESS certification (one Qualifier-holder certifies the whole company; the crew holds nothing, and cities are barred from adding their own). Steam, hydronic and process piping at the worker level carry no Wisconsin card.

Nothing pending on fitter scope — no worker license exists.

No fitter exam exists. The HVAC QUALIFIER exam (4 years at 1,000+ hours a year) qualifies ONE person to certify the business — the employer's concern. Plumbing and sprinkler exams belong to their own trades.

No fitter tier. Wisconsin's strong registered-apprenticeship system trains the trade with no licensing hook.

PREEMPTED on the HVAC side by the rule itself — a certified business may not be required to obtain any local certification. Plumbing runs statewide under DSPS. No city fitter card is known.

The employing HVAC-side business needs one Qualifier-holder to be a certified HVAC business — verify the BUSINESS at DSPS, and expect no worker cards on the crew. On inspected-boiler installs, ask first — the state boiler program's installer rules are the one boundary we still owe a read.