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About HAWA
HAWA Incorporated, founded in 1954, has been providing engineering solutions in the design of HVAC, Plumbing, Fire Protection and Electrical Systems since our founding. Recognized for our engineering excellence and quality client service, we are proud to say that we have consistently maintained our focus on mechanical and electrical engineering. This consistent focus has resulted in many clients trusting us for their engineering needs for more than 30 years. To us, that speaks of our ability to listen to our client’s needs, service them well, and stay current in the ever-changing needs of our industry.
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We are a technologically advanced engineering firm, offering solutions for our clients from offices in Columbus and Cincinnati, Ohio. For 60 years we have provided consulting engineering on more than 7,000 projects involving more than ten billion dollars in total construction costs.

We have become a leader in the field of consulting engineering by listening to our customers and providing services that solve problems and save dollars. We are driven by a philosophy that the best service comes from a personal commitment to the customer's needs and then tailoring our services to meet those needs. We thrive on long-term relationships in which we understand our client, the purpose and objectives of their facility and the staff requirements of their facility. This lets us apply our knowledge and experience from an inside-out perspective.

We know that our people are our strongest assets. It is important for our staff to stay current with the technical aspect of their fields, to have strong communication skills, and to have acquired, through time, a strong awareness of the unique HAWA Incorporated culture. Included on our staff are the following:

12 Registered Professional Engineers

6 LEED Accredited Professional Engineers

2 ASHRAE Certified Health Care Design Professionals

1 ASHRAE Certified High Performance Building Design Professional

1 ASHRAE Certified Commissioning Process Management Professional

1 BICSI Registered Communications Distribution Designers (RCDD)

1 ASHRAE 90.1 National Mechanical Subcommittee Chairman

Disciplines of Service

  • HVAC systems including mechanical room layouts, ductwork design, heating and cooling piping systems, ventilation systems, energy recovery systems, and temperature control systems.

  • Electrical systems including interior and exterior lighting, power distribution, coordination with utilities, as well as communications and fire alarm systems.

  • Fire Protection systems including performance requirements for the wet, dry or pre-action sprinkler systems. This includes layout of standpipes, fire pumps, and valve stations. (Does not include final head or piping layouts.)

  • Plumbing to 5 feet outside of the building. Typically this includes sanitary, vent, storm and domestic water. It can also include chemical waste, laboratory waste, special water, and vacuum piping for special needs areas.

  • Technology systems including communications infrastructure, wireless systems, telephone systems, paging systems, and data center layout/cabling systems.

  • Commissioning of MEP systems including systems designed by our office and third party commissioning.


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Heating, Ventilating & Air Conditioning
    Ventilation and Make-Up Air
    Exhaust Systems
    Clean Rooms
    Special Temperature &
        Humidity Control
    Laboratory Ventilation

Electrical Power Distribution
    Short Circuit & Coord. Analysis
    Building Services
    Secondary Distribution
    Emergency Power Systems
    Uninterruptible Power Systems
    Primary Distribution & Substations

    Exterior Flood Lighting
    Interior Illumination
    Task Lighting
    Security Lighting
    Parking Lot Lighting
    Low VDT
    Roadway and Landscape Lighting
    Recreational Lighting

Boiler Plants & Industrial Piping
    Boiler and Auxiliary Equipment
    High and Low Pressure Steam &
    Gas Systems
    Vacuum Systems
    Air Compressor Installations

Building Protection & Life Safety
    Fire Alarm & Detection Systems
    Sprinkler Systems
    Security Systems & CCTV
    Auxiliary Electrical Systems

    Coolers and Freezers
    Low Temperature Applications
    Freon Systems
    Ammonia Systems
    Central Chiller Plants

Building Commissioning

Communication Systems
    Data Cabling Infrastructure
    Voice Cabling Infrastructure
    Cabling Pathways
    Communication Rooms
    Equipment Racks
    Community Antenna TV
    Video Distribution

Control Systems
    Motor Control
    Process Control
    Temperature Control
    Computerized Control

Environmental Control
    Pollution Monitoring
    Air Pollution Control
    Specialized Ventilation
    Storm & Sanitary Segregation
Plant Engineering
    On Call Problem Solving
    Production Equipment
    Planning & Layout
    Plant Safety 
    Material Handling

Project Management
    Cost Control
    System Checkout
    Construction Review
    Construction Administration

Water Treatment
    Deionized Water
    Demineralized Water
    Process Water Treatment
    Potable Water Systems

Energy Management
    Energy Audits
    Feasibility Studies
    Utilities Analysis
    Load Measurement
    Heat Recovery
    Control Systems
    Cogeneration Systems
    Peak Shave Systems
    Base Load Systems
    Fuel Alternatives
    Ice Storage

States of Registration

HAWA Incorporated is currently registered in 26 states within the United States and would gladly register in additional states if our clients request this of us. Our states of current registration are:

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New Jersey
New York
North Carolina

South Carolina
West Virginia

Leadership Team

HAWA is led by 13 Principals and Associates of mechanical and electrical engineering backgrounds. Quality is important to us. The emphasis we place on the quality and experience of our staff is expressed through our 11 registered professionals averaging over 24 years of experience. Our high ratio of engineers to total staff reflects our niche of providing engineering services on unique and complex projects.

Association Links

HAWA Incorporated is proud to be a part of the following professional organizations:

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American Society of Heating, Refrigerating, and Air-Conditioning Engineers
Building Industry Consulting Services, International
Leadership in Energy and Environmental Design, US Green Building Council
International Code Council
American Council of Engineering Companies
Illuminating Engineering Society
American Society of Plumbing Engineers
Builders Exchange of Central Ohio
National Fire Protection Association
Building Information Modeling Experience

Contact Us

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 Ohio Offices  
980 Old Henderson Road
Columbus, Ohio 43220
614-451-1711 (Phone)
614-451-0279 (Fax)

Hours of Operation
Mon - Thur 07:30 am - 05:30 pm
Fri 07:30 a.m. - 03:00 pm
Closed Sat and Sun
4055 Executive Park Dr #420
Cincinnati, Ohio 45241
513-771-6640 (Phone)
513-771-6650 (Fax)

Hours of Operation
Mon - Thur 07:30 am - 05:30 pm
Fri 07:30 a.m. - 03:00 pm
Closed Sat and Sun