Modern facilities demand efficiency, comfort, and intelligent control. Variable Refrigerant Volume (VRV) and Variable Refrigerant Flow (VRF) systems deliver some of the most advanced HVAC performance available today. When properly designed, installed, and maintained, these systems offer exceptional zoning flexibility, quiet operation, and highly efficient energy use — making them an ideal solution for both new construction and retrofit applications.
At Mechanical Group, VRV/VRF expertise is one of our core strengths. Our teams are factory-certified and trained on systems from:
• Daikin • Mitsubishi • LG • Samsung • Trane/Mitsubishi • Carrier/Toshiba
Why VRV/VRF Is a Game-Changer for Facility Operations
For facilities looking to lower operational expenses (OPEX) without sacrificing comfort, VRV/VRF systems offer dramatic advantages:
• High Efficiency Performance: Inverter-driven compressors and zone-level control significantly reduce energy consumption compared to traditional rooftop or chiller systems. • Zoned Comfort: Spaces receive only the heating or cooling they need — eliminating waste and improving occupant comfort. • Minimal Disruption During Retrofits: VRV/VRF systems are modular and adaptable, making them ideal for phased upgrades and occupied buildings, where downtime must be limited. • Reduced Mechanical Footprint: Less piping, fewer large mechanical rooms, and simplified infrastructure requirements. • Lower Long-Term Maintenance Costs: With fewer moving parts and advanced controls, the ongoing cost to service and operate the system is generally lower over the life of the equipment.
These systems are particularly effective for retrofitting large commercial buildings — corporate campuses, hospitality, healthcare, education, and mixed-use facilities — where improving comfort and lowering OPEX directly impacts operating margins.
Where VRV/VRF Projects Go Wrong — And Why Expertise Matters
VRV/VRF systems are engineered with precision. Common issues we encounter in the field include:
• Improper line set sizing and routing • Incorrect or incomplete refrigerant charging • Misaddressed indoor units and network communication errors • Controls configured without load balance or zoning strategy • Premature component wear due to incorrect commissioning
These problems are not equipment failures — they are installation and commissioning failures.
Our End-to-End Process Ensures Peak Performance
Design & Preconstruction
We collaborate with engineers and GCs to ensure system layout, capacity, and zoning strategies are correct from day one.
Expert Installation
Every detail — brazing, nitrogen purging, leak testing, insulation, pipe routing — is executed to manufacturer standards and best practices.
Factory-Certified Commissioning
We perform complete system initialization, configuration, addressing, charge validation, airflow confirmation, and performance testing.
Proactive Service & Maintenance
Routine system inspections, coil hygiene, refrigerant tracking, diagnostic logging, and performance optimization protect system longevity and efficiency.
System Recommissioning & Performance Recovery
When facilities come to us with underperforming systems installed by others, we specialize in full-system recovery, including:
• Re-piping and rebalancing refrigerant circuits • Controls and network corrections • Indoor/outdoor unit synchronization • Full recommissioning to factory spec
The Result
A VRV/VRF system operating exactly as designed:
efficient, stable, quiet, and cost-effective for years to come.
Mechanical Group
We’re expanding our service toolkit in Southern Nevada. Starting today, Mechanical Group offers a dedicated Handyman Services department for the Greater Las Vegas area, led by David Martinez, an experienced field leader known for dependable execution and first-time fixes.
Mechanical Group is now an official member of ConnexFM, the leading association for facility management professionals. You can learn more about the organization here.
In the evolving world of commercial facility management, procurement platforms like Corrigo, ServiceChannel, FMX, and Verisae have become mission-critical tools for tracking work orders, enforcing compliance, and measuring vendor performance.
In the world of commercial facility management, the cost of HVAC-R downtime isn’t just an inconvenience - it’s a hit to productivity, tenant satisfaction, and bottom-line performance. At Mechanical Group, we’ve built our service delivery model around one core principle: be ready on the first visit.
In mid-September, we had the privilege of attending ServiceTitan Pantheon 2025 in Anaheim, California—a powerful gathering of industry leaders and innovators committed to driving the future of the skilled trades. For us, Pantheon wasn’t just a conference—it was validation.
Preventive maintenance isn’t a cost—it’s an investment in uptime, efficiency, and peace of mind. At Mechanical Group, we partner with commercial facilities to deliver tailored HVAC and refrigeration maintenance programs designed to reduce emergency calls, extend equipment life, and protect your bottom line.
At Mechanical Group, we believe capital expenditure (CapEx) projects should be strategic—not reactive. As a third-generation technician, I’ve seen time and again how aligning CapEx investments with the actual life cycle of HVAC systems can unlock operational savings, extend equipment longevity, and reduce emergency repairs.
From September 2–5, the Mechanical Group team will be in Las Vegas for the Self Storage Association Conference—the leading event for owners, operators, and partners in the self-storage industry.
At Mechanical Group, we believe Labor Day is more than just a long weekend—it’s a time to recognize the people behind the work. The men and women who climb rooftops in 110-degree heat, who answer emergency calls in the middle of the night, and who carry the responsibility of keeping businesses open and communities running.
Mechanical Group, a leading multi-state provider of commercial HVAC-R services, is proud to announce the successful implementation of Contact Center Pro across all its operations, further deepening its strategic partnership with ServiceTitan, the industry’s premier field service management platform.
Mechanical Group, a rapidly expanding provider of commercial HVAC-R services across the Western U.S., is pleased to announce the acquisition of Duerr Heating and Air, a respected Bay Area contractor headquartered in Morgan Hill, California.
Sometimes, the best things in business aren’t planned—they just find you. That’s how Stormy came into our lives.
Mechanical Group, a leading provider of commercial HVAC-R services across the Southwestern United States, is pleased to announce its acquisition of Covenant Mechanical Services, a respected Las Vegas-based company known for excellence in commercial refrigeration and HVAC solutions.
Mechanical Group, a leading commercial HVAC-R service company, is proud to announce its official rebranding, including a fresh new logo and a streamlined company name.
We are thrilled to announce that Steven Brayet, President of The Mechanical Group, has recently achieved certification as a Daikin VRV Level 1 Service Technician.
Climate Specialists, the trusted name in HVAC services across Central Texas, is thrilled to announce it expanded licensing in Q2 2024 to offer commercial refrigeration services.
The Mechanical Group is thrilled to announce a significant enhancement to our benefits package, made possible by the outstanding performance of our team and business from our valued clients.
In a heartwarming gesture, Climate Specialists from Austin, TX have come to the aid of a local resident, Peggy Antilley, who was burdened with exorbitant winter electricity bills due to an improperly installed heat pump condenser.
Sound Partners and Calico Group are proud to announce the formation of The Mechanical Group (“TMG”), an integrated, turnkey provider of comprehensive HVAC-R service for businesses and commercial enterprises across the Southwest.
Calico Group—a private investment vehicle for Morgan Strain and Steven Brayet in Las Vegas, NV—and Sound Partners—a lower-middle market private equity fund founded in 2022 by managing partner Zepher Loesch—announce their joint acquisition of Tradewinds Mechanical, LLC, a commercial HVAC-R company also based in Las Vegas, NV.
