At Ventilation Maximum, we design and manufacture high-performance roof ventilation solutions engineered for Canadian climates.
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For over 40 years, we have supported residential, commercial, industrial, and institutional projects with products built to perform in demanding conditions, including variable winds, snow loads, freeze-thaw cycles, and extreme summer heat.
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Our ventilators are based on active ventilation using pressure differential principles, allowing for efficient evacuation of hot and moist air, even at low wind speeds. This approach helps reduce the risks of condensation, mold growth, ice dams, and overheating, while improving overall building durability.
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All Ventilation Maximum products are 100% made in Canada, using durable, high-quality materials, and are tested to meet recognized standards such as CSA, ASTM, ICC, Miami-Dade, and CMHC.
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Beyond products, Ventilation Maximum stands out through its technical support services, providing project analysis, ventilation calculations, system sizing, and optimal ventilator positioning. We work closely with contractors, architects, engineers, and property managers.
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Actively involved in industry associations and technical committees, Ventilation Maximum contributes to the continuous improvement of roof ventilation practices and standards across Canada.
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Ventilation Maximum — smarter ventilation for stronger, longer-lasting buildings

Ventilation Maximum Ltd

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