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J. Williams Heating & Cooling, 803 Acid Mine Rd, Sullivan, MO (Employees: Casey Heinold and Jane Molina) holds a Mechanical license and 5 other licenses according to the St. Charles County license board.
Their BuildZoom score of 93 ranks in the top 27% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring J. Williams Heating & Cooling, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Install (1) goodman 14 seer (single speed motor) 3 ton air conditioning unit outside on pad (gsx140361) install (1) 96% efficient 80, 000 btu goodman (ecm motor and 2-stage gas valve) furnace in basement (gmec960803bn) install (1) 410a 3 ton goodman cooling coil on top of furnace (capf3636b6) install new freon lineset and hookup to new coil and air conditioning unit
Hoist with crane and install (1) 3 ton 3 phase 208-230 volt goodman air conditioning unit install (1) 96% efficient downflow 80, 000 btu goodman furnaces install (1) 3 ton a-coil under furnace
Replace existing air handler and air conditioning unit with wall hung 1.5 ton air handler in closet and new 1.5 ton air conditioning unit outside on pad
BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
License #
MEC0119719
Status
Active
City
University City
Type
Mechanical Contractor
When BuildZoom last verified this license, it had an expiration date of February, 2021. Check the current license status of J. Williams Heating & Cooling with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
License #
MEC0119719
Status
Active
City
University City
Type
Mechanical Contractor
When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of J. Williams Heating & Cooling with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
License #
MEC0119719
Status
Active
City
University City
Type
Mechanical Contractor
When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of J. Williams Heating & Cooling with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
Status
Active
County
St Louis County
Type
Mechanical Contractor
When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of J. Williams Heating & Cooling with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
Inactive License
License #
MEC6832090
Status
Inactive
City
University City
Type
Mechanical Contractor
According to the City of University City, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for J. Williams Heating & Cooling at the City of University City.
This is a sample of licensing data; click here to access a complete history.