Our easy to read reports provide all information required solutions on how to improve the current environmental system(s) and keep them operating most efficiently.



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Air Test Division 497386 Ont. Inc.

W. Larry Hall

Phone: 1-800-632-8241

AE Engaring Ltd.

Sam Shoji

Phone: 705-426-1362

CHLL Group

Leonid Chertov

Phone: 905-660-3846

Dass Enterprises Inc.

Ian Babich

Phone: 905-238-3377

DAB-Damper Air Balancing Inc.

Dusan Firment

Phone: 416-418-5647

National Air Balance Inc.

Dean A. Lasak

Phone: 905-690-9559

Quality Testing & Balancing Inc.

Leonard Lewon

Phone: 416-636-0223

Quality Air Distribution Inc.

Darek Niezgoda P. Eng.

Phone: 905-683-7168

Ram Air Balancing

Zoltan A. Lasak

Phone: 647-280-1113

TAB Inspecting Ltd.

Kalman Simon

Phone: 613-837-5992

TDB Inc.

Carl Babic

Phone: 416-702-1245

HVAC Inspecting Services Ltd.

Roman Pijacki

Phone: 613-230-3333

G & P Testing Inc.

Ned Pandurevic

Phone: 416-816-9637



  • Active (Corporate) Membership is limited to organizations engaged in Testing Balancing, Inspecting, Sampling, Validating, HVAC systems and/or related subjects.

  • Active (Corporate) Membership is restricted to those companies described above in good professional standing and operating on a sound financial basis as independent tax-paying organizations.

  • Corporate Membership is further restricted to companies operating under the direct supervision of one or more persons having acceptable professional status deemed satisfactory for the board of Directors.

  • Active (Corporate) Members must signify with an affidavit that they are willing to further the aims and objectives of NBCTA.

  • Employees shall be accredited and certified.

  • Active (Corporate) Members shall agree to adhere to the current Code of Ethics of NBCTA.

  • Active (Corporate) Members shall agree to abide by and be governed by the By-laws and Regulation of NBCTA.

  • Building Environment Testing Services Available.


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We specialize in testing, balancing, retro commissioning, air and hydro systems, HVAC systems and air conditioning systems and specialized industrial systems.

We are ready to make that perfect building that will change your life forever