Ventilation is critical for a comfortable environment. OSHA defines ventilation as “A method of controlling the environment with air flow” and calls it one of the most important methods for improving air quality. Many companies simply look to HVAC systems or noisy box fans to improve ventilation, because they are unaware that High Volume, Low Speed fans are the most cost-effective climate control solution.
The Importance of Good Ventilation
To protect workers from poor conditions, government agencies have set several guidelines on air quality. For example, OSHA has created thresholds for the amount of contaminants that can be present in a workplace before it is deemed unsafe. ASHRAE, the American Society of Heating, Refrigerating and Air Conditioning Engineers, has created detailed guidelines on air flow that dictate how much fresh air a space needs to be safe for human occupation.
These laws and guidelines exist because of the danger that can arise from not having a well-ventilated space. Poor ventilation that leads to stale air can cause a condition known as sick building syndrome (SBS). Occupants of a building with SBS often suffer from symptoms like:
- Irritation of the eyes and throat
- Nasal congestion
- Gastrointestinal problems
Not only does SBS often prevent workers from performing at their highest level, it can be dangerous if the problem is not addressed quickly. HVLS fans are a powerful ally in the battle against stale air.
How HVLS Fans for Ventilation Increase Airflow
Unlike small box fans that have a limited reach, or HVAC systems which simply push air out of a vent, HVLS fans are designed to circulate great amounts of air. With airfoils as large as 24 feet in diameter, HVLS fans can generate huge columns of air that even help ventilate large, open spaces with high ceilings. The biggest HVLS fans can create air displacement of nearly 350,000 CFM.
Other advantages of HVLS fans for ventilation:
- Quiet operation means they don’t interfere with work or distract occupants
- Low speed settings don’t require a lot of power to run – a quality HVLS fan can operate for about a dollar a day.
- Combining an HVLS fan with your existing HVAC system makes climate control more efficient, meaning you can save money on heating and cooling by adjusting your HVAC set
An HVLS fan doesn’t have to be your only method of improving ventilation. If you have small spaces, consider an option like a small direct-drive ceiling fan, (link to Aeratron), air purifier or dehumidifier.
The Bottom Line on HVLS Fans and Ventilation
Ventilation is something no one really notices when it’s good, but is painfully obvious when bad. If you’re looking to move more air around to improve the air quality of your space, install an HVLS fan that will work in tandem with your existing airflow measures to create a comfortable, productive space for workers, customers, and other occupants of your building.
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