Complete Fire Protection.
One Trusted Partner.

From fire sprinkler systems and fire alarms to inspections, monitoring, extinguishers, and emergency service, R.B. Lewis delivers complete life safety solutions trusted by businesses throughout New Hampshire.

Protecting New Hampshire businesses since 1973.

50+ Years of Experience

Certified technicians delivering expert installation, inspection, and service.

Licensed & Certified Technicians

Rapid response from experienced emergency service technicians.

24/7 Emergency Service

Helping your facility stay compliant with fire safety codes.

Complete Code Compliance

Protecting Businesses.
Powered by Experience.

For more than 50 years, R.B. Lewis has helped businesses throughout New Hampshire protect their people, property, and operations with dependable fire protection and life safety solutions. From system design and installation to inspections, monitoring, and emergency service, we’re your single source for code-compliant protection.

🧯 Fire Sprinkler Systems

🚨 Fire Alarm Systems

📋 Inspection & Testing

📡 24/7 Monitoring

🔥 Kitchen Suppression

🛠 Emergency Service

Our licensed technicians understand the importance of keeping your facility protected and compliant. Whether you manage a commercial property, industrial facility, healthcare campus, school, or restaurant, we deliver responsive service backed by decades of expertise.

  • 50+ Years of Experience
  • Certified Technicians
  • 24/7 Emergency Service
  • One-Stop Fire Protection
  • NFPA Code Compliance
  • NH Owned & Operated

Complete Fire Protection & Life Safety Solutions

From system design and installation to inspections, maintenance, monitoring, and emergency service, R.B. Lewis provides complete fire protection solutions that keep your business protected and compliant.

Fire Sprinkler Systems

Commercial sprinkler system design, installation, inspections, testing, repairs, and retrofits.

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Fire Alarm Systems

Fire alarm design, installation, inspections, testing, monitoring, and emergency repairs.

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Fire Extinguishers

Inspection, certification, recharge, replacement, and employee training programs.

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Kitchen Fire Suppression

Installation, inspections, maintenance, and certification for commercial kitchen hood systems.

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Fire Protection Inspections

NFPA-compliant inspections, testing, and documentation for commercial properties.

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24/7 Emergency Service

Rapid emergency response to restore your fire protection systems and minimize downtime.

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Why Businesses Choose R.B. Lewis

For more than 50 years, R.B. Lewis has partnered with businesses and organizations across New Hampshire to keep facilities protected, compliant, and operational.

50+ Years Protecting Businesses

We carefully assess your vehicle to identify issues with accuracy.

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Complete In-House Services

Every vehicle is tested to ensure safety and reliable performance.

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Code Compliance Experts

Our skilled mechanics fix problems using quality parts and tools.

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Protecting New Hampshire’s Businesses, One Facility at a Time.

From hospitals and schools to manufacturing facilities and restaurants, R.B. Lewis delivers dependable fire protection systems that keep businesses safe, compliant, and operational.

Commercial Fire Alarm Upgrade

Manchester, NH

Fire Sprinkler Retrofit

Concord, NH

Restaurant Kitchen Suppression

Portsmouth, NH

Ready to Protect Your Facility?

Whether you need a new fire protection system, annual inspections, emergency repairs, or ongoing maintenance, the experts at R.B. Lewis are here to help.

Schedule an Appointment

Call us Today

(603) 483-8722

Happy customers

Our customers are at the heart of everything we do. Over the years, we’ve built lasting relationships by delivering reliable repairs, honest advice, and exceptional service.

“Highly recommend R.B. Lewis Fire Control!!! It’s no surprise they’re now celebrating 50 years of exceptional service 👏🏻”

Katie Shapiro

Homeowner

“It’s hard to find a fire protection company that is this knowledgeable, professional, and responsive. They clearly know commercial fire alarm systems, fire safety compliance, inspections, and emergency service inside and out. Communication was excellent throughout the entire process and the technicians were experienced, courteous, and efficient.”

Ryan Brooks

Standby Solutions

“For many years we have used RB Lewis and find the company provides great service, the staff is great, very happy with all the great work completed in over a decade working with them. Highly recommend! 5 stars is really not enough!”

Allison J.

Commercial Millright Services

50+ Years of experience
10,000+ Completed Inspections
100+ Commercial Customers
5,000+ Systems Serviced

Fire Protection Insights & Industry Updates

Stay informed with expert guidance on fire protection systems, NFPA requirements, inspections, maintenance, and code compliance. Our articles help facility managers and business owners make informed safety decisions.

Fire Sprinkler Inspection Requirements

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Understanding NFPA 72

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How Often Should Fire Extinguishers Be Inspected?

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