Antoniak's Heating & Air Conditioning at WI 53204, held a HVAC/Mechanical Contractor license (#15507) with the Milwaukee contractors license board. We last verified the license was inactive on 05-06-2026.

Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 94,017 Wisconsin contractors.

If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.