About Us
Founded in 2025, CK Testing LLC was established by Brian Costello and Eugene Karabanov as a premier Testing, Adjusting and Balancing (TAB) company, proudly signatory with Boston Local 17 Sheet Metal Workers Union.
Our partnership combines decades of experience with fresh innovation, creating a dynamic team that delivers exceptional results across New England.
Our Services
Healthcare Facilities
Ensuring critical air quality and pressure differentials for patient safety
Laboratories
Managing complex ventilation systems that meet stringent research and safety standards
Educational Institutions
Creating optimal learning environments with proper HVAC performance
Commercial Buildings
Delivering comfort and energy efficiency for workplace productivity
Our Leadership
Brian Costello
Brian brings the strength of three generations of Local 17 expertise to every project. Since beginning his balancing career in 2008, Brian has built a reputation for precision and reliability in the industry.
Eugene Karabanov
Eugene brought over 10 years of extensive knowledge and experience with hydronic systems when he joined the union for TAB specialty work in 2020. His dedication to the craft was recognized when he won the SMART Regional (Region 1) apprentice contest in TAB in 2024.
Our Commitment
At CK Testing LLC, we believe there isn't a job too small or too big. We've successfully balanced some of the most intricate and demanding laboratory systems in the Boston area, while maintaining the same level of care and precision for every client, regardless of project size.
Our union affiliation with Local 17 ensures that every project meets the highest industry standards for safety, quality, and craftsmanship. We're committed to delivering results that not only meet specifications but exceed expectations.
Why Choose CK Testing LLC
When you work with CK Testing LLC, you're partnering with professionals who combine traditional craftsmanship with modern expertise. Our team's proven track record, union training, and commitment to excellence make us the trusted choice for critical HVAC balancing projects throughout Massachusetts and New England.
Union Certified
Proudly signatory with Boston Local 17 Sheet Metal Workers Union, ensuring highest industry standards.
Dual Location Service
Serving Greater Boston and South Coast Massachusetts regions with prompt, reliable service.
Service Areas
Greater Boston
Serving the entire metropolitan area with expert TAB services for healthcare facilities, laboratories, educational institutions, and commercial buildings.
South Coast Massachusetts
Providing comprehensive TAB services throughout Massachusetts with prompt response times and local expertise.