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Business Details
38 Years
experience
Your Trusted Engineering Partner in Macon, GA
With over 30 years of experience, our firm has established itself as a leader in mechanical and electrical engineering. We have completed thousands of projects for diverse clients, emphasizing design excellence and personalized involvement from our principals. Our team of skilled engineers, designers, and support staff ensures a single source of responsibility for all mechanical, electrical, and plumbing design needs. Founded in 1988, we pride ourselves on delivering solutions that align with client goals, budgets, and schedules. Our expertise spans HVAC systems, electrical power distribution, plumbing, fire protection, and geothermal engineering.

We maintain a full-time construction administration department and offer NEBB-certified commissioning services. Our commitment to quality is reflected in our long-term client relationships and repeat business. Located in central Georgia, we serve clients across the state and neighboring regions. Our engineers are actively involved in every project phase, ensuring accuracy and adherence to specifications. We utilize advanced tools like Revit and AutoCAD to produce coordinated design documents.
Services
Mechanical HVAC Design Electrical Systems Plumbing & Fire Protection Commissioning Services Geothermal Engineering Construction Administration Energy Audits Lighting Systems Fire Alarm Systems Agricultural Engineering
Details
  • Year established: 1988
Highlights and features
  • We have over 30 years of experience in mechanical and electrical engineering.
  • Our principals are personally involved in the design of every project.
  • We provide a single source of responsibility for all mechanical, electrical, and plumbing design needs.
  • Our team includes NEBB-certified professionals in commissioning and testing.
  • We maintain long-term relationships with clients through repeat work and referrals.
Associations and certifications
  • National Environmental Balancing Bureau (NEBB)
Services
Mechanical HVAC Design
We design comprehensive HVAC systems for commercial, institutional, and industrial projects. Our expertise includes geothermal heat pumps, chilled water systems, and energy-efficient controls. Our engineers ensure systems meet client needs while adhering to budget and schedule constraints.
Electrical Systems
Our electrical engineering services cover power distribution, lighting, and emergency systems. We design solutions for diverse clients, including educational facilities and government buildings, ensuring compliance with safety and efficiency standards.
Commissioning Services
We offer NEBB-certified commissioning and testing services to verify system performance. Our team uses calibrated instruments to ensure mechanical and electrical systems meet design specifications and operational requirements.
Geothermal Engineering
We specialize in geothermal heat pump systems, providing design and analysis for sustainable heating and cooling. Our services include ground loop modeling and integration of underground thermal storage solutions.
Construction Administration
Our dedicated department ensures construction compliance with design documents. We conduct site visits, review submittals, and expedite change orders to maintain project timelines and quality standards.
People
James (Al) A. Andrews, Jr.
Principal
With decades of experience, Al Andrews leads mechanical and electrical system design for educational and institutional projects. He ensures design accuracy and client satisfaction through active project involvement.
Charles (Chuck) W. Hammock, Jr.
Principal
Chuck Hammock specializes in HVAC systems, including geothermal heat pumps. He has engineered solutions for clients across the U.S. and internationally, focusing on innovation and efficiency.
R. Edward Powell, Jr.
Principal
Ed Powell designs electrical systems for government and commercial projects. His expertise includes commissioning and cost estimating, ensuring projects meet strict deadlines and requirements.
Wesley M. Haynes
Principal
Wesley Haynes has over 25 years of HVAC design experience. He conducts energy studies and life cycle cost analyses to deliver efficient systems for healthcare, education, and government clients.
Naeem H. Osmani
Principal
Naeem Osmani designs electrical systems for K-12 schools and commercial facilities. His background in physics enhances his approach to power and low-voltage system design.
Questions
What engineering services do you offer?
We provide mechanical, electrical, plumbing, and geothermal engineering services, along with commissioning and construction administration for diverse projects.
How long has your firm been in business?
Andrews, Hammock & Powell, Inc. was founded in 1988 and has over 30 years of experience in engineering design.
Do you work outside Georgia?
Yes, while based in Macon, GA, we serve clients across Georgia and neighboring states like Alabama, South Carolina, and Tennessee.
Are your engineers certified?
Our team includes NEBB-certified professionals and LEED Accredited Professionals in Building Design and Construction.
Can you handle large-scale projects?
Yes, we've completed projects like Morrow High School ($86M) and Birch Creek Elementary, demonstrating our capacity for complex, large-scale work.
How do you ensure project quality?
Principals personally oversee each project, and our construction administration team conducts regular site visits to verify compliance with design specifications.