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Mon-Thurs: 8AM-5PM | Fri: 8AM-2PM | (843)292-0008

Commercial Electrical, HVAC, Generator & Plumbing Services

Reliable service and system support for businesses and facilities across Darlington, Florence, and Hartsville, South Carolina.

Professionals You Can Trust

Clark Floyd
Dec, 15, 2025
5 Start Review
Fast and reliable. They service my home and business and always do a great job.
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Linda Strauss
Jan 16, 2024
Great guys at Walkup! All the staff is really good and helpful! The work crews are good guys who does good work
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Raymond Pressley`
Dec 18, 2023
5 Star Review
Cliff and Sebastian came out to my house to do some electrical work.They were very relax for talking with me to fill me in with what was going on.I was very happy with their work.
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Authorized Dealer

Walkup Electrical Construction provides dependable commercial service across critical building systems, helping businesses operate safely, efficiently, and without unnecessary downtime.

We work with property managers, facility operators, contractors, and business owners to support daily operations, planned upgrades, emergency repairs, and long-term system reliability. Our team understands the importance of minimizing disruption while maintaining safety, compliance, and performance.

Commercial Electrical Services

Our commercial electrical services support both new construction and existing facilities, including:

  • Electrical system installations and upgrades
  • Lighting systems and retrofits
  • Panel upgrades and power distribution
  • Troubleshooting and electrical repairs
  • Preventative electrical maintenance
  • Code compliance and safety improvements

We deliver professional, code-compliant work designed to meet operational demands and safety standards.

Commercial HVAC & Mechanical Services

We provide full-service HVAC support for commercial environments of all sizes:

  • Heating and cooling system installation
  • HVAC system repairs and diagnostics
  • Preventative maintenance programs
  • System performance optimization
  • Equipment replacement and upgrades
  • Indoor air quality solutions

Our goal is to keep indoor environments comfortable, efficient, and dependable year-round.

Commercial Generator & Backup Power Solutions

Reliable backup power is essential for many businesses and facilities. Our generator services include:

  • Backup generator system design and installation
  • Load testing and system commissioning
  • Generator repairs and troubleshooting
  • Preventative maintenance and inspections
  • Fuel system and transfer switch support

We help ensure your facility remains operational during power outages and unexpected disruptions.

Commercial Plumbing Services

Walkup provides comprehensive plumbing support for commercial properties, including:

  • Plumbing system installations and upgrades
  • Water line and piping repairs
  • Fixture installation and replacement
  • Water heater service and replacement
  • Leak detection and repair
  • Preventative plumbing maintenance

Our team works efficiently to reduce downtime and maintain safe, reliable plumbing systems.

Maintenance & Service Contracts

Protect Your Systems. Reduce Downtime. Control Costs.

Routine maintenance plays a critical role in preventing failures and extending equipment life. Walkup offers commercial maintenance programs for:

  • HVAC systems
  • Backup generators

Maintenance agreements can include scheduled inspections, priority service, system testing, and performance monitoring to help reduce unexpected repairs and improve long-term reliability.

Maintenance plans are customized based on system type, facility size, and operational requirements.

Industries We Support

Our experience spans a wide range of environments. Each industry brings unique system requirements, safety standards, and operational priorities. Our team tailors solutions accordingly to minimize downtime and support reliable performance.

Healthcare Facilities
Retail and commercial properties
Educational buildings
Manufacturing and industrial operations
Office
Buildings
Residential
homes

Request Commercial Service

Whether you need scheduled maintenance, system upgrades, or immediate assistance, our team is ready to help.

Use the service request form to submit your commercial service needs, and a member of our team will follow up promptly to coordinate next steps.

Request Commercial Service

Request Commercial Service

Need scheduled maintenance, system upgrades, or immediate assistance? Submit your commercial service request using our online form, and our team will follow up promptly to coordinate next steps.

Request Commercial Service