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    Sources & References

    These official sources support the scope of this guide. Consult the current source and local authority for a project-specific decision.

      JL

      Author & technical perspective

      Jordan Lovell

      Building Inspector | Mechanical Plans Examiner | HVAC Contractor

      ICC-certified building and trade inspector; ICC Mechanical Plans Examiner; Virginia DHCD Mechanical Plans Examiner; Virginia Master Tradesman — HVAC; Virginia Master Tradesman — Gas Fitting.

      Jordan Lovell brings experience from both the contracting and code-enforcement sides of the skilled trades. His background includes residential and commercial building inspection, mechanical plan review, HVAC contracting, field installation, code compliance, and contractor operations. His SkilledCurrent coverage focuses primarily on HVAC, mechanical systems, building codes, inspections, contractor operations, and the intersection between field practice and code compliance.

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