Commercial Electrical Services in Houston & Dallas
In the commercial world, downtime isn’t just inconvenient — it’s expensive. At CNG Electrical Service LLC, we deliver reliable, code-compliant commercial electrical solutions for businesses across Houston, Dallas, and surrounding regions. Whether you’re developing new office space, upgrading a retail location, or managing multi-site facilities, our certified electricians ensure your systems meet demand and scale with your growth.
We work closely with general contractors, property managers, and business owners to provide specialized services including HVAC system wiring, service and panel upgrades, exterior security lighting, commercial generator systems, EV charger station installs, and more. From new construction to emergency repair, we keep your operations powered, safe, and compliant — with minimal disruption and maximum value.
Professional Quality
High Quality Services
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24/7 Emergency
Repairs
Safety Inspection
For commercial buildings, regular electrical inspections aren’t optional — they’re a liability safeguard. Our certified commercial electricians at CNG Electrical Service LLC perform comprehensive electrical safety audits, identifying overloaded circuits, code violations, and risks that could disrupt business operations or endanger staff. Whether you manage a warehouse, office complex, or retail space, we ensure your power systems are safe, documented, and code-compliant.
Emergency Services
A single power failure can halt production, drive away customers, or even compromise safety. That’s why we offer 24/7 emergency electrical services for businesses across Houston and Dallas. Our certified team responds rapidly to outages, overloads, damaged wiring, and equipment failures — restoring operations with urgency and precision. We’re the call you make when uptime matters.
Smoke Detectors
Code-compliant smoke detector installations are essential for commercial properties — especially in offices, kitchens, and multi-tenant buildings. Our electricians install hardwired, interconnected smoke detection systems with backup power and proper zoning, giving property managers peace of mind and full code compliance. We replace outdated systems and handle retrofits with minimal disruption.
HVAC System Wiring & Power Connections
Commercial HVAC systems draw heavy electrical loads and require properly engineered circuits. At CNG Electrical Service LLC, we handle HVAC electrical wiring for rooftop units, split systems, and multi-zone commercial HVAC setups. Our team ensures efficient, code-compliant wiring from dedicated panels to rooftop disconnects, keeping your system reliable and your business environment controlled.
Electrical Panel Upgrades & Service Capacity Upgrades
Many growing businesses outgrow their original electrical infrastructure. If your facility struggles with limited capacity or unreliable service, we provide commercial electrical panel upgrades and service boosts. From adding sub-panels to complete main service replacements, we future-proof your system for increased demand from machinery, computers, lighting, and HVAC equipment.
Exterior Lighting Installation & Outdoor Electrical Solutions
We are Experts
- Weather-Rated Fixtures
All lighting components are built to handle rain, heat, and humidity — ideal for Texas conditions. - Energy-Efficient LED Solutions
We install long-lasting, low-energy lighting that reduces electricity costs without sacrificing brightness. - Improved Home Security
Strategic lighting placement helps deter trespassers and provides clear visibility around your property. - Code-Compliant Installation
Every system is wired and grounded by licensed electricians to meet local and national electrical codes.
Protect your property and improve visibility after hours with professional commercial exterior lighting. We install security lighting, wall packs, parking lot fixtures, and motion-activated systems for warehouses, retail centers, and commercial campuses. Every installation is weather-sealed, code-checked, and energy-efficient — designed to withstand the elements and operate reliably long term.
New Commercial Construction Electrical Wiring
Building a new office, clinic, or warehouse? We provide full-scale electrical wiring for commercial construction projects, including layout planning, panel installation, conduit runs, outlet mapping, and final commissioning. We collaborate with GCs and project managers to meet build timelines, code inspections, and functional demands unique to your commercial space.
Additions & Expansion Electrical Services
Adding square footage to your business? Our team handles electrical expansion services for commercial remodels and tenant build-outs. We integrate new wiring, lighting, and power into existing systems while ensuring minimal downtime. Whether you’re adding conference rooms, shop floors, or storage facilities, we wire it for safety, performance, and compliance.
Commercial Bathroom Electrical Wiring Solutions
Breakrooms, employee kitchens, and commercial restrooms require safe, durable wiring solutions that can withstand frequent use and meet strict safety standards. At CNG Electrical Service LLC, we install GFCI-protected outlets, appliance-ready circuits, and dedicated wiring tailored for commercial-grade kitchen appliances and plumbing systems.
Our licensed electricians ensure all work complies with OSHA and NEC standards, helping businesses reduce liability while maintaining a safe, efficient environment. Whether you’re building new or upgrading outdated systems, we deliver power where it’s needed most — without disrupting your operations.
EV Charger Installation & Dedicated Circuit Setup
As electric vehicles become standard for fleets and employees, we provide commercial EV charger installations for parking lots, garages, and business campuses. We install Level 2 and Level 3 charging stations with proper load calculations, surge protection, and signage — helping businesses meet sustainability goals and attract EV-driving staff and customers.
Commercial Generator Installation & Backup Power Solutions
Critical operations need power, even when the grid fails. CNG installs commercial backup generator systems, complete with automatic transfer switches, load-balancing, and fuel source integration. From small retail setups to large warehouses, we tailor each solution to keep your core systems online without interruption.
Recessed Lighting Design & Installation
Upgrade your business space with modern, energy-efficient recessed lighting. Ideal for offices, showrooms, and hospitality spaces, our custom lighting designs reduce glare, improve ambience, and cut energy costs. We handle full installations, retrofits, and dimmer integrations, making your commercial space look sharp and function smarter.
Pool & Spa Electrical Wiring & Safety Installations
For commercial facilities with pools, spas, or wellness areas — such as hotels, gyms, or apartment complexes — we provide specialized pool and spa electrical wiring. We install grounded, GFCI-protected circuits for pumps, heaters, and lighting, ensuring your amenities are code-compliant and safe for guests.