Minimize Risk, Maximize Protection

At Lee Mechanical, fire protection is a critical component of facility safety, operational continuity, and regulatory compliance. We design, install, inspect, monitor, and maintain comprehensive fire and life safety systems for commercial and industrial facilities across Wisconsin.

Our integrated, in-house approach ensures systems perform as intended, inspections are documented accurately, and risks are addressed before they impact people, property, or operations.

Lee Fp Featured

We provide end-to-end fire protection and life safety services designed to meet the operational demands, regulatory requirements, and risk profiles of each facility.

Fire Detection and Alarm Systems

  • Fire alarm testing and inspection
  • Troubleshooting and device replacement
  • Programming, verification, and system adjustments for open fire alarm panels
  • Device-level service for proprietary fire alarm systems
  • Integration between fire alarm, sprinkler, and special hazard suppression systems

Fire Alarm Monitoring

  • 24/7 monitoring for all fire alarm panel types
  • Rapid response monitoring platform
  • Real-time alerts and event verification
  • Customer dashboard with system status and alert visibility
  • Multi-site portfolio monitoring and reporting
  • Remote programming support where applicable
  • Test mode scheduling to support inspections and maintenance

Fire Sprinkler and Suppression Systems

  • Automatic fire sprinkler systems including wet, dry, and pre-action systems
  • Fire sprinkler system testing and inspections
  • Dry sprinkler system investigation and repair
  • Fire pump inspections, repairs, and replacements
  • Corrosion investigation and mitigation services
  • Obstruction investigation and flushing services

Special Hazard Fire Protection Systems

  • Clean agent suppression systems
  • CO2 suppression systems
  • Dry chemical suppression systems
  • Nitrogen-based water mist systems
  • Releasing panel testing and alarm integration

Fire Extinguisher Services

  • Annual fire extinguisher inspections
  • Six-year maintenance services
  • Twelve-year hydrostatic testing
  • Recharge services with on-site recharge room
  • Swap and replacement programs
  • Emergency replacement following activation

Emergency and Exit Lighting Systems

  • Exit and emergency lighting inspections
  • Battery and component replacement
  • Troubleshooting and repair services
  • Documentation and compliance reporting

24/7 Emergency Fire Protection Response

  • Emergency service for fire alarms, sprinkler systems, and fire protection equipment
  • Rapid sprinkler shutoff and system stabilization
  • Alarm activation response and troubleshooting
  • After-hours support from dedicated fire alarm and sprinkler technicians

Our fire protection professionals understand the complexities of modern commercial and industrial facilities and the coordination required across systems and trades.

Tailored Design and Installation

Custom-designed fire protection systems aligned with facility layout, occupancy, and applicable codes.

Retrofitting and Upgrades

Modernization of existing fire protection systems to meet current safety standards and operational needs.

Integration with Security and Building Systems

Seamless coordination between fire protection, security, and building management systems.

Compliance Inspections and Certification

Thorough inspections, documentation, and certifications to ensure installations meet regulatory and authority requirements.

Our expert installation services support long-term system reliability, compliance, and operational continuity.

Ongoing inspection and maintenance are critical to system performance and risk reduction. Our proactive approach helps identify issues early and keeps systems operating as intended.

Routine Inspections

  • Regular visual inspections to identify wear, damage, or obstructions

Functional Testing

  • Periodic testing of valves, alarms, water flow, and system components

Preventative Maintenance

  • Proactive maintenance to address potential issues before they escalate

Code Compliance Inspections

  • Verification that systems meet applicable fire codes and standards

System Performance Investigations

  • Corrosion and obstruction investigations
  • Dry system performance evaluations and repairs

Benefits of Regular Maintenance and Inspections

  • Enhanced system reliability and safety
  • Reduced risk of malfunctions or failures
  • Extended system lifespan
  • Clear documentation and peace of mind

Comprehensive Fire Protection for Unmatched Safety

Lee Mechanical delivers integrated fire protection services from system installation and monitoring to inspections, maintenance, and emergency response. Our in-house expertise and disciplined approach help ensure your facility remains protected, compliant, and operational.

Contact us to discuss your fire protection needs or to schedule service.

Our Work

Projects That Impress

Discover the breadth of our expertise through our standout projects. From healthcare facilities to industrial complexes, each project reflects our MEPF expertise along with our core values of safety, quality, integrity, and success.

What’s Happening At Lee

News

  • Lee Ribboncutting Featured Vc

    Lee Mechanical Unveils Caledonia Fabrication & Logistics Facility

    On Monday, March 23, 2026, we celebrated an exciting milestone with an internal ribbon cutting at our new Caledonia Fabrication & Logistics Facility, located at 4321 Carol Rd.

  • Lee She Featured 031126

    S.H.E at Lee: Strengthening Connections During Women in Construction Week

    Lee Mechanical celebrated Women in Construction Week with team events, a Lunch & Learn, and the support of S.H.E at Lee, a group dedicated to Strength, Hard Work, and Empowerment for women in construction.