A unified force
in commercial HVAC

Meet SURE Group

SURE Group is a full-service commercial HVAC partner bringing together three trusted names in HVAC: SURE Mechanical, Cincinnati Air, and Thermolinear.

Our family of companies combines the resources and expertise of Cincinnati Air’s 85+ years of design-build HVAC service, SURE Mechanical’s proficiency in healthcare systems, and Thermolinear’s 40+ years of experience with environmental controlled rooms.

While all three businesses continue to operate independently, SURE Group enhances the performance of each company by sharing resources in engineering, recruitment, safety, and HR. This collaboration is designed to strengthen performance, streamline operations, and expand capabilities across the board.

With shared values, complementary strengths, and a unified vision for growth, SURE Group is positioned to deliver even greater value to clients and create new opportunities for employees across the region.

Mission

SURE Group delivers high-performance HVAC solutions through experienced project teams, precision engineering, and a diverse, skilled workforce. Across every job, we prioritize quality, safety, and long-term value, helping essential facilities operate with efficiency.

Vision

To be the region’s most trusted partner for HVAC excellence, combining legacy, innovation, and inclusive growth to shape the future of mechanical fabrication and installation.

Core values

We are guided by integrity, precision, teamwork, and service. We believe in quality without compromise, and strive to create products and partnerships that last.

SURE Group Family of Companies

SURE Mechanical is a minority-owned, full-service commercial HVAC contracting firm in Southern Ohio. Known for skilled field execution and inclusive workforce development, SURE Mechanical focuses on large-scale HVAC design, fabrication, installation, engineering and equipment services, and preventative maintenance programs.

Cincinnati Air specializes in the design-build, installation, and servicing of custom commercial and industrial HVAC systems. Boasting over 85 years of legacy experience and lasting customer relationships, CAC ensures customer satisfaction with preventative maintenance programs that extend equipment life and reduce operational costs

For over 40 years, Thermolinear has been a turnkey manufacturer of modular environmental control systems—including dry rooms, clean rooms, and growth chambers—for hospitals, businesses, and universities. Their specialized solutions support critical medical and industrial research, backed by expert installation, testing, and commissioning.

Meet the Team

John Doe

Position

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Chukwuma “Chuma” Ekwueme

President

Chukwuma “Chuma” Ekwueme fulfilled his lifelong dream of becoming an entrepreneur when he founded SURE Mechanical. A certified minority-owned (MBE) mechanical firm located in Cincinnati, Ohio. SURE Mechanical provides HVAC/Mechanical design, fabrication and installation services for educational, government and private organizations. Chuma earned a Bachelor’s of Mechanical Engineering from his native country of Nigeria and a Masters of Engineering from University of Cincinnati. He began his career with a mechanical service company, where he was part of a team that provided maintenance and trouble-shooting for chillers and condensing units. He continued his career in the construction industry at Megen Construction of Cincinnati, Ohio. During this time, Chuma managed a variety of construction projects in the Cincinnati, Hamilton and Dayton Areas. Chuma also helped to champion the construction of Ohio’s first LEED Platinum project, the Fernald Preserve Visitors Center in 2008.

Armed with an engineering education, complementary work experience and strong ambition, Chuma identified a need in Southern Ohio for an innovative, quality-minded, minority mechanical contractor. Chuma put the wheels in motion to eventually launch a mechanical contracting firm. Following months of planning, SURE Mechanical was eventually launched in October 2010. He earned his LEED AP accreditation and became actively involved in several industry-related organizations such as American Society of Heating, Refrigeration and Air-conditioning Engineers (ASHRAE), American Society of Mechanical Engineers (ASME) and United States Green Building Council (USGBC). He is also a Lean construction enthusiast.

Today, SURE Mechanical is proud to be a certified minority-owned mechanical contracting firm in Southern Ohio that offers a full range of mechanical design, fabrication, installation, design-build and engineering services. Additionally, SURE Mechanical provides a much needed opportunity for minorities to become engaged in one of the most technical aspects of the construction industry.