
Commercial Panel Upgrade in Oʻahu
Home Electrical Panel Upgrades & Installation Done Properly
Oahu Electric and Air installs and replaces commercial subpanels, distribution panels and equipment panels for businesses, warehouses and large residential buildings. Our work is clean, reliable and fully code compliant to support modern electrical loads.



Expert Electrical Upgrades for Commercial Power Demands
We handle the full scope of commercial subpanel work including new panel installations, panel replacements, load balancing, feeder upgrades, grounding and bonding improvements and equipment power distribution. Our team coordinates with your GC, building management and inspectors to keep projects moving smoothly.
We’re equipped for complex panel work across commercial environments. Our team handles high-amp subpanels, multi-panel configurations, heavy gear installation, load calculations, conduit reroutes and coordination for shutdowns and energization. Whether it's a small tenant panel or a large building distribution upgrade, we install systems that are organized, safe and ready for continuous operation.
Our Commercial Electrical Panel Services
We design and install panels that are balanced, clearly labeled, and neatly wired to keep your building’s electrical system efficient, reliable, and inspection-ready.
Services include:
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New commercial subpanel installations
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Subpanel replacements and relocations
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Panelboard upgrades and expansion panels
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Feeder upgrades, resizing and rerouting
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Load balancing and panel reorganization
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Grounding and bonding improvements
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Equipment power circuits and distribution
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Conduit additions for branch circuits
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Breaker replacements and panel labeling
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Temporary power and shutdown coordination
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System testing and final device trim
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HECO and AHJ coordination for panel changes

Why Businesses Choose Our
Commercial Panel Upgrade Services
Transparent pricing, Island-specific design, and Licensed installation - done right, start to finish.
Free, Upfront Estimates
We evaluate your existing panel and future power needs before recommending a solution.
Built for O'ahu Businesses
Installations are designed for local construction styles, older service panels, and modern building electrical loads.
Licensed, In-House Electricians
All work is performed by our licensed electrical team. No subcontractors, no shortcuts.
