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Commercial · Restaurant & Kitchen

ANSUL Commercial Hood Vent & Exhaust Systems

Specialized electrical services for relays, motors, control wiring, lighting, and fire pull stations on commercial kitchen hood and exhaust systems protected by ANSUL fire suppression. Wired to pass the fire marshal — the first time.

Live dispatch time ~47 min
Commercial restaurant hood installation with high-capacity ventilation ductwork
Recent commercial
Restaurant hood + ventilation install
Live · 24/7 · Free estimate
(619) 638-0228
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Same-day appointments across San Diego County.

Why San Diego homeowners call CLD Electric for this

Every neighborhood in San Diego has a different electrical era. We've seen it all — knob-and-tube in Kensington, aluminum in Clairemont, brand-new EV panels in Mission Valley. We cover all central San Diego ZIPs — Downtown, North Park, Hillcrest, Mission Valley, Point Loma, Ocean Beach, Pacific Beach, and beyond regularly — dispatch time to your area is running about 40-65 min.

When you wire ANSUL hood vent and exhaust electrical systems in San Diego, you want a licensed electrician who: knows the local permit process, coordinates with SDG&E cleanly, respects your property, and doesn't disappear after the invoice is paid. That's what we've been doing since 2004.

The typical San Diego ansul hood vent systems call

What we do: Relays, microswitches, shunt-trip breakers, exhaust fan controls, and fire pull station integration for commercial kitchen hoods.

Why it matters: Opening a new restaurant, renovating a commercial kitchen, or the fire marshal flagged existing wiring on a compliance inspection.

Service area within San Diego

We cover all central San Diego ZIPs — Downtown, North Park, Hillcrest, Mission Valley, Point Loma, Ocean Beach, Pacific Beach, and beyond. If you're inside or on the edge of these areas, we're on call. Not sure? Just ring us — we'll tell you straight up whether we're a fit for the job.

Reliable electrical support for ANSUL fire suppression

Commercial kitchen hood and exhaust systems protected by ANSUL — including the widely used R-102 wet chemical system — require precise electrical integration to meet NFPA 96, NFPA 17A, and local fire codes. When the system activates, whether by fusible link or manual pull station, multiple electrical actions have to happen instantly and reliably:

  • The exhaust fan continues running (or starts) to help disperse the agent and clear smoke
  • Make-up air units shut down
  • Power to cooking equipment under the hood is interrupted — via shunt-trip breakers or contactors
  • Gas valves close
  • The building fire alarm is signaled
  • Hood lights turn off

Every one of these is an electrical connection, and any one of them wired wrong is a failed inspection. Our licensed electricians specialize in the control wiring, relays, motors, and fire pull station integration that make these interlocks work correctly the first time — and pass inspection.

Our ANSUL electrical services

Relays and microswitch interfaces. Proper connection of ANSUL microswitches and auxiliary relays to control contactors, shunt-trip breakers, gas valves, and alarm circuits. We verify correct NO/NC configuration and reliable signaling for both automatic and manual activation.

Exhaust fan motors and controls. Installation, replacement, and control wiring for hood exhaust fan motors and starters. We configure the system so the exhaust fan stays on (or is forced on) during fire suppression, per code and manufacturer spec.

Control wiring and interlocks. Full control circuit design and installation for hood lights, fan switches, make-up air units, demand ventilation systems, and equipment shutdown. Everything to NEC and local AHJ requirements.

Fire pull stations. Installation and electrical integration of remote manual pull stations. We locate stations for easy access (typically near exits), verify mechanical and electrical function, and confirm the full interlock sequence triggers correctly.

Why proper electrical integration matters

A miswired interlock can cause a failed fire marshal or health department inspection, keep the kitchen closed, or — worst case — allow equipment to keep running during a fire. Common issues we correct:

  • Exhaust fans shutting down when they should stay on
  • Missing or incorrect shunt-trip connections for cooking equipment
  • Make-up air that fails to shut down
  • Incomplete fire alarm signaling
  • Improperly located or non-functional pull stations

We work on both new ANSUL installations and existing systems that need upgrades, repairs, or rewiring to meet current codes.

What we handle

  • New commercial kitchen hood control panel wiring and ANSUL interlock setup
  • Shunt-trip breaker installation and testing for under-hood equipment
  • Motor starters, contactors, and overload protection for exhaust fans
  • VFD integration for variable-volume systems where applicable
  • Gas valve electrical interlocks and manual reset relays
  • Building fire alarm interface connections
  • Troubleshooting and repair of existing hood control and fire suppression electrical systems
  • Documentation and support for final inspections

Ready to make sure your kitchen meets code?

Whether you're opening a new restaurant, renovating a commercial kitchen, or need existing ANSUL electrical interlocks corrected, our crew is ready. Call and describe what you have — most jobs can be scoped over the phone before the site visit.

Where we do this work

We serve homeowners and businesses across San Diego County and San Diego County. Every one of these cities has a dedicated local page with details on our coverage there: Alpine, Carlsbad, Chula Vista, Coronado, Del Mar, El Cajon, Encinitas, Escondido, Imperial Beach, La Jolla, La Mesa, Lakeside, Lemon Grove, , National City, Oceanside, Poway, Rancho Bernardo, Rancho Santa Fe, San Diego, San Marcos, Santee, Solana Beach, , Vista.

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