Established in 1975, Clark Balancing Ltd has strived to be a leader in the TAB industry for 35 years. President and founder Barry Clark came from a Sheet Metal Trade background and has focused more than half of his life to the improvement and quality of the HVAC industry.

Clark Balancing has supported NEBB programs throughout the years in disciplines such as Air and Hydronic Testing, Building Systems Commissioning-HVAC, Plumbing and Fire Protection and the newly created Retro-Commissioning. Barry has sat on the National Board of Directors as well as served on committees over the years. He has also served as Technical Committee Chairman for the NEBB Canada chapter for 15 years.

As a family business, both sons David and Steven have joined with Barry to carry on the professionalism and reliability that customers have come to expect from Clark Balancing.

Barry currently holds certification in Air and Hydronic Testing, Building Systems Commissioning-HVAC, Plumbing & Fire Protection.

David holds certification in Air and Hydronic Testing, Building Systems Commissioning-HVAC and Retro-Commissioning.

Steven holds certification in Air and Hydronic Testing, Building Systems Commissioning-HVAC, Plumbing & Fire Protection.

All three currently serve as proctors for NEBB Canada at the chapters approved test facility, in order to increase the number of Certified Professionals in Canada. Steven also serves as President of NEBB Canada and plays an active role in the Marketing Committee for NEBB.

All employees hold Certified Professional or Qualified Technician status as the company feels that NEBB is unparalleled in training and certification practices.

Clark Balancing Ltd has a commitment to service with an emphasis on quality. Through NEBB certifications, the training along with experience has provided great opportunities to excel in an ever changing industry. Armed with a solid background which also includes Control Logic and Programming as well as Biological Safety Cabinet Technology, Clark Balancing been able to succeed in a sometimes volatile market.

In an ever expanding commerce, customers can be confident in the quality and value provided and can rest assured that Clark Balancing Ltd stands by their reputation that is 35 years young and growing. In a “Green” market, NEBB is the environmental choice.

Our Certifications

National Environmental Balancing Bureau:

NEBB certification disciplines are anchored by the NEBB Procedural Standards which provide guidelines for the work to be performed.

The NEBB enhances the educational experience of each discipline (testing, adjusting and balancing, building systems commissioning, sound and vibration measurement, retro-commissioning, fume hood testing and cleanroom performance testing) by providing technical manuals, training materials and educational seminars.


To advance the arts and sciences of heating, ventilating, air conditioning and refrigerating to serve humanity and promote a sustainable world. 

ASHRAE will be the global leader, the foremost source of technical and educational information, and the primary provider of opportunity for professional growth in the arts and sciences of heating, ventilating, air conditioning and refrigerating. 

Grand Valley Construction Association:


Building Awareness
By facilitating interaction with industry-related advocacy groups and stakeholders 

Building Business
By providing members with access to various resources and services to identify and advance opportunities 

Building Careers
By providing access to and facilitation of career development

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Canada Green Building Council:

Our mission guides our work:

Lead and accelerate the transformation to high-performing, healthy green buildings, homes and communities throughout Canada

Our Vision

A transformed built environment leading to a sustainable future

The Council will work to:

  • change industry standards,
  • develop best design practices and guidelines,
  • advocate for green buildings, and
  • develop educational tools to support its members in implementing sustainable design and construction practices.

Toronto Construction Association:

Mandate/Ethics Statement & Code of Practice

TCA's mandate, when it was formed in 1867, was to promote the highest possible standard of professionalism for it's stakeholders. That mandate remains unchanged. However, the industry has become infinitely more complicated during the last 140 plus years, and the scope and diversity of our services has grown to ensure we adequately service the entire ICI sector in the greater Toronto area.

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Contact Us:

Clark Balancing Ltd.

8094 Esquesing Line, Milton, Ontario, L9T 5Y1

Tel: 905-693-1518

Fax: 905-693-9624