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Established in 1987, DassTab (formerly Dass Enterprises Inc.) was incorporated in the province of Ontario in January 1993. Since its inception, DassTab has successfully completed HVAC commissioning, validation, testing and balancing on numerous projects varying in size and complexity. DassTab is built on the belief that high expectations and sincere effort, combined with intelligent direction and skillful execution will always yield strong results. Using this approach, we have developed an exceptional reputation, drawing recognition from contractors, consultants, facility management teams and all other types of clientele for our team’s expertise and professional integrity. As we continue to grow and take on new projects, we are committed to upholding that reputation by meeting the most stringent industry standards and striving to exceed our clients’ expectations.

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