HVAC Installation, Service & Repair for Mission-Critical Facilities
When cooling fails, operations stop. GLS delivers installation, maintenance, and repair services that keep your critical environments within spec—every day, every site.
Overview
Mission-critical facilities depend on reliable HVAC to protect equipment, maintain compliance, and ensure continuous operations. Whether you’re installing new systems, replacing aging units, or running a multi-site preventive maintenance program, GLS crews execute with precision and minimal disruption to your live environment.
Scope of Work:
• HVAC unit installation, replacement, and relocation (rooftop and packaged systems)
• Preventive and corrective maintenance programs
• Controls coordination and integration support (thermostats, sensors, BAS interface)
• Remote-site and mission-critical servicing with repeatable field procedures
• Reliability-focused maintenance for continuous uptime requirements
• Emergency response and repair
Why GLS:
• Experienced with all major equipment brands and configurations
• Technicians certified with multiple HVAC OEMs
• Consistent PM programs across multi-site portfolios
• Work performed in active, occupied facilities with safety-first protocols
What we do
Integrated Services for Facilities That Run 24/7
From electrical infrastructure and generator programs to HVAC systems and facility logistics—we deliver the full scope.
HVAC
Installation, maintenance, and repair of heating, ventilation, and air conditioning systems for mission-critical facilities.
Generator Installation & Maintenance
Full-service generator deployment and preventative maintenance programs to keep your facility operational around the clock.
eHouse Installation
Precision installation of prefabricated electrical buildings and equipment shelters for telecom and infrastructure clients.
Shelter Maintenance
Ongoing upkeep and inspection of equipment shelters and enclosures, ensuring structural integrity and environmental compliance.
Warehousing & Inventory Control
Secure storage, logistics coordination, and real-time inventory management for equipment and materials across project sites.
Nationwide Crew Coverage
Experienced W-2 crews deployable across the country, backed by direct leadership access and consistent quality standards on every project.
Let's Connect
Ready to Take Complexity
Off Your Plate?
Talk directly with our team. Have a conversation with people who understand the work.