Interested in a continuing maintenance contract for your business?

We would love to help. Contact us today! 



Our Business

NEBB Certification number: 3374                                                        

We Are NEBB Certified

CAC: 1814913

Reliable Services Group, LLC was established in 2005 by Timothy Engley and Mark A. Hanna. Their knowledge and founding principles and practices of honesty, integrity and complete customer satisfaction have paved the way to many successful job completions. 

RELIABLE SERVICES GROUP, LLC understands the critical nature of Test, Adjust and Balance and adheres to the National Environmental Balancing Bureau procedural standards. We offer investigative test and balance services that would make us a unique partner. Our investigative test, adjust and balance includes hot & cold spots, VAV troubleshooting, chilled water coil pressure drop issues, building pressurization problems, kitchen hoods, duct leakage, water flow shortages, condensation and odor issues. We can provide equipment surveys and analysis for future projects and retrofits.

  • Air Conditioning
  • Heating
  • Ventilation
  • Piping
  • Refrigeration
  • Test & Balance
  • Consulting
  • Evaluations
  • Pre-Design Services
  • Metal Fabrication
  • Estimation
  • Rigging
  • Preventative Maintenance
  • ​Retrofit