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About Us

Air Plus Testing Ltd. is a professional independent engineering company specializing in performance Testing, Adjusting, and Balancing (TAB) of the Heating, Ventilating, and Air Conditioning systems. It is incorporated under the laws of Ontario.


We are a member of the National Building Comfort Testing Association (NBCTA) and have been providing services since 1992. The company is headed by Jerry Krosinski, Mech. Eng., who represents 25 years of experience in the field combined with a strong theoretical background in Mechanical Engineering. We have gained a broad range of expertise by completing projects in industrial, commercial, and residential buildings. We mainly operate within the GTA and Northern Ontario, but have completed projects across Canada. 




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We hope to work with you soon!