Anderson Radiant Heating
Services
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About the C-4 — Boiler, Hot Water Heating & Steam Fitting License
The C-4 Boiler, Hot Water Heating and Steam Fitting license authorizes contractors to install, maintain, and repair boilers, hot water heating systems, and steam fitting equipment. This specialized trade requires deep knowledge of pressure systems, safety protocols, and building codes. C-4 contractors work on both residential and commercial projects, from home radiant heating systems to large commercial boiler installations. Given the potential safety hazards of pressurized heating systems, it is critical to hire only licensed professionals for this type of work. California requires regular inspections of commercial boiler systems, making qualified C-4 contractors essential for building owners. When hiring, verify the contractor has experience with your specific type of system and ask about their emergency service availability.
💡 Tips for Hiring a Boiler, Hot Water Heating & Steam Fitting Contractor
- Ensure the contractor has experience with your specific boiler type or heating system
- Ask about maintenance plans to extend system life
- Verify they are familiar with local inspection requirements
- Request references from commercial clients if it is a commercial project
- Inquire about energy-efficient upgrade options
✅ Verify This License
Always verify contractor licensing directly with the Contractors State License Board (CSLB) before hiring. You can look up license #718718 to confirm it is active and check for any complaints or disciplinary actions.
Check on CSLB.ca.gov →🏢 Are you Anderson Radiant Heating?
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Claim This Page →Frequently Asked Questions
What does a C-4 license cover?
A C-4 license covers the installation, maintenance, and repair of boilers, hot water heating systems, steam fitting, radiant floor heating, and hydronic heating systems in both residential and commercial buildings.
How often should a commercial boiler be inspected?
California requires annual inspections for most commercial boilers. Your C-4 licensed contractor can help ensure compliance with state and local inspection requirements.
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