G4 Thermal Systems LLC
REGISTEREDOther Building Equipment Contractors · West Burlington, IA
G4 Thermal Systems LLC is currently registered as a construction contractor with the State of Iowa under registration number C150224, first issued 2026-05-26 and current through 2027-06-18. Iowa registration confirms compliance with state labor law — it is not a license, and the State does not assess skill.
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State registration
- Registration number
- C150224
- Status
- Registered
- Issued / last renewed
- 2026-05-26
- Expires
- 2027-06-18
- Primary trade
- Other Building Equipment Contractors
- County
- Des Moines County
- Owner of record
- 829 Holdings LLC
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.
About G4 Thermal Systems LLC
From qcits.com

Mechanical insulation is more than a building upgrade. It is a long-term investment in energy performance, system protection, and operational efficiency. By reducing unnecessary energy loss and helping mechanical systems maintain target temperatures, proper insulation can support lower operating costs and more reliable facility performance.
- Website:
- qcits.com
- Other number on their website:
- (319) 354-2938
- Facebook:
- facebook.com/QCIThermal
- LinkedIn:
- linkedin.com/company/qcits
Read from the business’s own website (qcits.com). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.
What G4 Thermal Systems LLC is registered to do
The State classifies G4 Thermal Systems LLC as other building equipment contractors. That classification comes from the registration itself, not from us — it describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.
Since this year
on the State's register (since 2026) — not a measure of experience
114
registered other building equipment contractors in Iowa, this business among them
All 114 registered other building equipment contractors in Iowa →Contractors in Des Moines County →