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Showing posts with the label dehumidification

The Hidden "Mold Bomb": Why Increased Fresh Air Can Destroy Your HVAC & Your Building's Health

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 In our post-pandemic world, the mantra of "more fresh air" has become universal for healthy buildings. And rightly so—increased ventilation is crucial for diluting airborne contaminants. However, from my 33 years in MEP design and optimization, I've observed a critical, often catastrophic oversight: increasing fresh air intake without simultaneously upgrading your HVAC system's latent heat removal capabilities creates a hidden "mold bomb" within your commercial ductwork. This isn't merely a comfort issue; it's a systemic failure that leads to significant financial liabilities, compromised indoor air quality (IAQ), and accelerated HVAC system degradation. Understanding the Enemy: Latent Heat Overload HVAC systems handle two types of heat: Sensible Heat: The heat you can feel , which changes the air temperature. Latent Heat: The hidden heat required to change the phase of water (e.g., from liquid to vapor), which affects humidity. Traditional Air H...

Dry Room HVAC Design

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 Dry Room HVAC Design What is a lithium battery dry room and why is it important ? A lithium battery dry room is a room that is designed to keep lithium batteries dry . This is important because lithium batteries are very sensitive to moisture and can be damaged by it . There are four key elements of a lithium battery dry room design : 1 . The room must be air tight . 2 . The room must be free of dust and other partic ulates . 3 . The room must be kept at a constant temperature . 4 . The room must have a humidity level that is below 1% There are a few things you can do to ensure your lithium battery dry room is effective : 1 . Use an air tight door seal . 2 . Use air filters to remove dust and other partic ulates . 3 . Use a de hum id ifier to keep the humidity level below 1 %. 4 . Use a temperature controller to keep the room at ...