Las Vegas’ Commercial HVAC Experts
At Lawyer Mechanical Services, our strength starts with our people. With a team of over 25 highly trained, certified HVAC technicians, we provide unmatched expertise in commercial HVAC service, repair, and maintenance across Las Vegas and Southern Nevada.
Our technicians are more than just mechanically skilled—they understand the importance of communication, professionalism, and responsiveness on every job site. Whether it’s troubleshooting complex systems, performing routine maintenance, or responding to an urgent service call, our team is committed to delivering results that keep your building running efficiently and your business moving forward.
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Decades of combined field experience
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Factory-trained on leading HVAC equipment brands
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Safety-focused and performance-driven
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Skilled in customer communication and on-site professionalism
When you choose LMS, you’re not just hiring a contractor—you’re gaining a team of commercial HVAC experts who care about your success as much as their own. That’s what sets us apart.
Service and Maintenance
With over 55 years of trusted experience in Las Vegas, Lawyer Mechanical Services (LMS) is a proven leader in commercial HVAC service and maintenance. Our highly trained technicians bring the expertise to quickly diagnose, repair, and optimize HVAC systems across all types of commercial and industrial facilities.
In today’s climate of rising energy costs and increasing operational demands, reliable HVAC performance is more critical than ever. Even small inefficiencies—if left unchecked—can lead to major budget impacts over time. That’s why LMS offers comprehensive, proactive maintenance solutions that help building owners and facility managers stay ahead of problems, control costs, and extend equipment life.
Our service programs are designed to:
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Maximize system uptime and reliability
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Improve energy efficiency and indoor comfort
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Reduce unexpected repairs and downtime
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Protect your investment with long-term cost savings
LMS delivers peace of mind through predictable maintenance plans, real-time performance insights, and a commitment to keeping your building running at peak efficiency. With a track record that spans decades and a reputation built on integrity, we don’t just fix HVAC systems—we protect your building’s performance.

Trust goes beyond reliability
For over 56 years, LMS has been offering Las Vegas buildings with integrated solutions and service in the HVAC industry. Respected for our superior service and expertise, LMS’s Service and Maintenance division delivers cooling and heating comfort to your environment – for your building and for the people inside it.
Flexibility to suit every budget
Each agreement is tailored to meet the budget and operating needs of your facility and can include both preventive maintenance to keep your equipment running in peak condition and predictive maintenance services to identify potential problems before costly breakdowns.
Safety = Peace of mind
LMS enforces extensive ongoing safety programs for all our technicians. OSHA-certified and trained for boiler and chiller plant safety, compliance and service standards, customers can take comfort in working with us.
Factory-trained for superior technical expertise
Representing many products from industry-leading manufacturers requires continuous technical training. Our service technicians are factory-trained to repair and maintain a variety of systems, from conventional to emerging, for optimum functionality, comfort and efficiency.
WHY LMS SERVICE?
Service by the manufacturer
Compliance & safety
Leadership in Las Vegas since 1969
Technical support services
Factory trained technicians
Authorized OEM parts stocking location
Continuous technical training
Full, custom and extended service programs