Four disciplines.
One standard
of performance.
GMR provides commercial HVAC, refrigeration, mechanical, and residential solutions designed to protect equipment performance, facility operations, occupant comfort, and long-term reliability.
Commercial HVAC services built around performance and continuity.
From rooftop packages to VRF systems and controls, GMR keeps commercial facilities comfortable, code-compliant, and operational — with disciplined installation, planned maintenance, and responsive service.
- New Installation
- System Replacement
- Preventive Maintenance
- Repair & Diagnostics
- Rooftop Units & AHUs
- Emergency Service
Refrigeration service designed to protect temperature, inventory, and operations.
Walk-in coolers, freezers, reach-in systems, and cold storage — installed, maintained, and repaired by technicians who understand what temperature drift actually costs.
- Walk-In Coolers
- Walk-In Freezers
- Reach-In Systems
- Cold Storage
- Preventive Maintenance
- Emergency Refrigeration Repair
Mechanical services for complex facilities, upgrades, and critical infrastructure.
New installation, retrofits, equipment replacement, piping, pumps, chillers and boilers — mechanical work delivered with the discipline complex facilities require.
- Mechanical Installation
- Retrofit & Modernization
- Equipment Replacement
- Mechanical Piping
- Chillers & Boilers
- Pumps & Process Systems
Residential HVAC service focused on comfort, reliability, and responsive support.
AC repair, heating service, system replacement, heat pumps and indoor air quality — home comfort delivered with the same standards our commercial clients depend on.
- AC Repair
- Heating Repair
- System Installation
- System Replacement
- Heat Pumps & IAQ
- Maintenance & Financing
Supporting the full
equipment lifecycle.
From first assessment to long-term modernization, GMR partners with facilities across every stage of the equipment lifecycle.
- 01Stage 1
Assess
Understand facility, equipment, and priorities before recommending anything.
- 02Stage 2
Plan
Scope work with realistic timelines, budgets, and operational impact.
- 03Stage 3
Install
Deliver installation with disciplined coordination and safety.
- 04Stage 4
Maintain
Structured preventive maintenance protects equipment and uptime.
- 05Stage 5
Repair
Responsive diagnostics and repair when issues arise.
- 06Stage 6
Modernize
Upgrade aging systems to improve reliability and efficiency.
to long-term support.
Built for the environments that depend on reliable performance.
Healthcare
Hospitals, clinics, and life-safety-critical environments.
Government & Military
Federal, state, and local agency facilities.
Commercial Office
Multi-tenant and Class-A office portfolios.
Industrial
Manufacturing, processing, and heavy-use facilities.
Education
K-12 campuses, universities, and training facilities.
Hospitality
Hotels, restaurants, and guest-experience venues.
Retail
Storefronts, malls, and multi-location retail.
Distribution & Warehousing
Logistics hubs, warehousing, and cold storage.
Religious Facilities
Churches, worship centers, and community campuses.
Built for facilities where downtime is not an option.
GMR is a Service-Disabled Veteran-Owned mechanical contractor with experience supporting federal, state, and local government facilities — with the documentation, preventive maintenance, and emergency response those facilities require.
Protect performance before
problems interrupt operations.
- Planned inspections
- Preventive maintenance
- Priority scheduling
- Equipment documentation
- Customized service frequency
- Emergency planning
Service agreements are customized to your equipment mix, facility criticality, and operational calendar. Let us build a program that fits.
Discuss a Service AgreementWhere GMR operates.
Operational hubs anchor a nationwide response network — dispatched from Carrollton, TX.