First-time buyers tend to have a lot of questions about HVLS fans. After decades in the industry, MacroAir has heard many of them. To help facility managers, architects, and engineers who are in the process of buying or researching HVLS fans, we've assembled a list of the most common questions about HVLS fans we hear from our customers. And to help you with further research, we've provided links to related blog posts under each question.
If you have a large facility that needs airflow throughout the entire space, an HVLS fan is a great solution for you. The fan can also help you in the following situations:
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No. Even if you leave it on around the clock, a well-designed HVLS fan, like the latest technology AVD3, can run for only $0.43 a day.
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Possibly. HVLS fans evenly distribute air which improves the effectiveness of your HVAC system. Minimizing your HVAC system’s run time saves energy and prolongs the unit’s lifespan.
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Yes. HVLS fans can be as large as 24 feet in diameter and can cover an area of over 20,000 square feet. They are frequently used to cool facilities with more than 100,000 square feet and are an ideal solution for warehouses that have open bays and frequent air exchange.
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The primary indicators are the size of your space and the amount of airflow you need. Other factors include building compatibility, usage, and budget.
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The warranty on an HVLS fan varies by manufacturer and ranges from a few years to decades. Some manufacturers reduce the warranty in half if another service provider installs their fan. Other manufacturers offer a full warranty regardless of who installs it.
The small, curved caps added to the edge of some HVLS fan blades have sparked much debate. Some companies add winglets to capture and move more air. However, winglets negatively impact the performance of an HVLS fan by increasing the amount of energy the fan uses and making the fan wear out faster.
Winglets: Help or Hindrance for HVLS Fans?
It varies. If your fan is warrantied by a manufacturer with an excellent warranty and service, it’s not. However, it can be expensive if your fan is out of warranty or if it has sustained serious damage. Because of the moving parts, the motor in a traditional HVLS fan sustains the majority of wear and tear. Choosing a modern HVLS fan with a gearless motor eliminates that wear and tear and elongates the product’s lifetime.
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A trained HVLS fan specialist should help you decide where to place an HVLS fan based on the size of the fan and the layout of your space. Some HVLS fans without modern technology will have variable frequency drives (VFD). Correct placement on those is crucial or your HVLS fan won’t run optimally. Consider a direct drive HVLS fan for more installation flexibility.
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The differences are the amount of airflow the fan can produce, the energy it uses, and how it affects your building's infrastructure. Different manufacturers have varying beliefs on how many blades are best for specific situations.
HVLS fans are much quieter than HVAC systems and pedestal fans. New HVLS fans with direct drive motors (unlike traditional motors with gears) are even quieter than older HVLS fans still on the market today.
Make Your Workspace Cool and Comfortable Without the Extra Noise
Yes. The AirVolution-D is rated for temperatures up to 140°F. Having a high heat rating is very important because when an HVLS fan is not running, the temperature at the ceiling is much higher than at ground level.
HVLS Fans Decrease Employee Heat Stress
Yes. Because HVLS fans promote airflow throughout large areas they can be used to eliminate fumes and prevent air quality problems like Sick Building Syndrome (SBS).
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HVLS fan blades should be extremely durable and resistant to extreme temperatures and moisture. MacroAir uses aluminum that has been anodized (an electrochemical process that makes aluminum extremely strong).
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There are many elements involved in choosing the best HVLS fan solution for your facility. We know that purchasing an HVLS fan is a large decision and understanding the new technology comes with a lot of questions. We hope that answering some of the most common questions about HVLS fans we receive helps you.
Have additional questions about HVLS fan technology? Contact one of our knowledgeable customer care representatives today. They are eager to answer all your HVLS questions.