2. “”Quality people providing quality solutions.” Mechanical Maintenance Partnership Proposal for requested services Mechanical Preventative Maintenance & Preferred Service Program

3. Service Strategy ContentsService Strategy Contents Comfort Systems USA “The Strategic Difference” Single Strategic Account Plan Local Operating Companies Flexible Scope & Strategic Value Efficient Implementation

4. Comfort Systems USA Comfort Systems USA - Solutions & Services Profile Company Profile Vision/Values History Board of Directors Awards, Certifications and Associations Awards, Certifications and Associations Safety Construction Services Preconstruction Construction Services Preconstruction Construction Engineering BIM Off Site Construction Off Site Construction Industrial Refrigeration Industrial Refrigeration Building Services HVAC Building ServicesHVAC Refrigeration Plumbing Electrical Sheet Metal Facility Maintenance Services Facility Maintenance Services Retrofit & Replacement HVAC Retrofit & ReplacementHVAC Refrigeration Plumbing Electrical Building Automation Systems Building Automation Building Automation SystemsBuilding Automation Security Energy Dashboards Solutions & Services About Us

5. Comfort Systems USA Comfort Systems USA – Safety & Compliance Policies Corporate Compliance Policy Operating Compliance Policy Financial Compliance Policy Safety Manual & Policy Financial Reports 2011 2012 20132011 2012 2013

6. Comfort Systems USA Comfort Systems USA Asset Management Predictive Maintenance Practice Predictive Maintenance Practice HVAC Asset Management Energy Management and Monitoring Equipment Replacement and Retrofits Building Automation Financing Alternatives Complex and Design/Build ProjectsHVAC Asset ManagementEnergy Management and MonitoringEquipment Replacement and RetrofitsBuilding AutomationFinancing AlternativesComplex and Design/Build ProjectsFulfillment Monitoring & Call Dispatching Quality Control SureFIX Predictive Services & Fulfillment

7. Comfort Systems USA Competitive Value

8. Operating Companies Local Operating Companies NC. Benson Location Comfort Systems USA (MidAtlantic), LLC 1057 Bill Tuck Highway South Boston, VA 24592 Phone: (434) 572-6986(434) 572-6986 Fax: (434) 572-8935(434) 572-8935 J. R. Griffin: President NC. Mooresville/Statesville Locations ColonialWebb - Charlotte Office 1600 Crossbeam Drive Charlotte, NC 28217 Phone: (704) 426-1069(704) 426-1069 Fax: (704) 426-1073(704) 426-1073 Mike Manchester: Operation VA. Waynesboro Location Riddleberger Brothers, Inc. 6127 S. Valley Pike Mt. Crawford, VA 22841 Phone: (540) 434-1731(540) 434-1731 Fax: (540) 432-1691(540) 432-1691 Daniel Blosser: President TN. Old Hickory Location Dillingham & Smith Mechanical, LLC 2311 Kline Avenue Nashville, TN 37211 Phone: (615) 248-2813(615) 248-2813 Fax: (615) 248-2819(615) 248-2819 Kip Yount: President

9. Comfort Systems USA Leading National Mechanical Contractor provides resources, buying power and operational support. Strategic Accounts Consolidated fulfillment customized to PGI preference Operating Companies Will work to provide local authority and relationship to meet facilities expectations. Implementation of Services

10. Fulfillment Process The regional operations process eliminates the local risk and assures a partnership. Account Management An account team made up of operating company personnel and regional executive will monitor and assure quality control CSUSA Management Data Analytics and Trending Total Performance Maintenance Quality Control Local Partnership Dynamic Administration SureSureFIX Sure Reporting Implementation Values

11. Reputation Reputation Relationships Relationships Trust Trust Local Authority Local Authority Response time Response time National Buying Resource National Buying Resource Operating Companies ImplementationImplementation

12. Consolidated Scope Customized Options Operating Companies will provide additional services under a blanket PO and utilize SureFIX to reflect specifics in facilities scope of work. TN Old Hickory NC NC Benson NC NC Mooresville NC NC Statesville VA Waynesboro Monthly Quarterly Annually PM Schedule Equipment List Flexible Scope & Data Driven Value