Whole House Ventilation

Energy-efficient homes (both new and existing) require mechanical ventilation to maintain indoor air quality. There are four basic mechanical whole-house ventilation systems:  exhaust, supply, balanced, and energy recovery. Learn more about each type here.

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Mechanical Ventilation

Why do we need to ventilate, and what types of mechanical ventilation exist? Learn about the types of mechanical whole house ventilation and the factors that affect them. 
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