LFG Services, Inc dba The SMI Group provides unparalleled services and support within the commercial, industrial, governmental, and private business sectors. We value and understand our customers and the individual / specific project needs and requirements.  The SMI Group provides carefully tailored and affordable services while exceeding the expectations of our clients.

With over 25 years of industry experience, our company is comprised of National Environmental Balancing Bureau (NEBB) Certified Professionals (CPs) and Technicians (CTs).  At the heart of our company are the many employees who rely on their intimate knowledge of Industrial and Commercial HVAC equipment along with a unique blend of skills and customer service to deliver excellence with every project. Our team of professionals are highly trained and qualified in data analysis for determining and recommending/implementing corrective actions necessary for the resolution of system performance issues. Our proven approach offers both insightful and cost-effective data analysis in the areas of:

Testing, Adjusting, and Balancing  Cx, RCx, and Commissioning Support
HVAC Diagnostic Evaluations Duct Air Leakage Testing (DALT)
Industrial Ventilation Testing   Sound Level Measurements


Our unparalleled customer-service approach is second to none. We recognize that even the most sophisticated system can operate insufficiently, create uncomfortable conditions, and create a negative financial impact if it is not effectively operating at the designed specifications. For this reason, customer service and support is the foundation of our business.