Explore HVLS for Powerful, Energy‑Efficient Airflow

Big spaces, bigger stakes. Keep your people cool, your team safe, your assets protected, and your operations moving with edge-to-edge environmental control.

High Volume, Low Speed Fans (HVLS)

Imagine even air distribution across an entire facility, reduced hot spots, and massive air movement with remarkably low energy consumption.

That's what High-Volume, Low-Speed (HVLS) fans deliver.

HVLS fans bring cooling where AC doesn’t make sense, or create a "multiplier" effect for HVAC where it does. Your people work safer and more comfortably to keep operations moving.

Why a Big Ass Fan?

Big Ass Fans leads the industry in performance, safety, and reliability through engineering, testing, and innovation. We provide you with a full-scope solution from a single United States-based company. Engineering and design, sales, manufacturing, installation management, project coordination, service, and support is all provided by Big Ass Fans experts. Our fans are backed by real performance data, industry-leading safety systems, proprietary SpecLab® airflow analysis, and a global support network. We deliver proven results competitors can’t match.

We are serious about creating comfortable and efficient airflow everywhere your building, your assets, and your people need it. And we have the technology and equipment to guarantee you get it. Don’t settle for less.

Big Ass Fans pursues excellence each step of the way

Safe

Engineered with an average of 8 redundant safety features and 4 safety-feature patents protect your people.

Savings

Cuts HVAC & energy costs up to 30%. Big Ass Fans helps facilities reduce operating costs, save energy, protect assets, and advance sustainability with improved air distribution and reduced HVAC demand.

Quiet

Librarian approved! All Big Ass Fans HVLS fans — gear-driven or direct drive — are under the OSHA Permissible Noise Exposure Limit for an 8-hour day.

Powerful

Big Ass Fans provide optimal airflow for most environments due to patented airfoils designed to efficiently move a high volume of air. Your operations, people, inventory, and bottom line stay at peak performance.

“Big Ass Fans are an investment well worth the money; the payback is almost instantaneous. The fans surpassed our expectations, eliminated condensation issues, and saved us [$300,000 in lost inventory].”

Phil Cavender, Senior Vice President
O’Neal Industries

How HVLS Airflow Keeps People Cooler

HVLS fans significantly improve thermal comfort by increasing air speed across the skin. This accelerates heat transfer away from the body and makes people feel up to 10°F (6°C) cooler, even in hot or humid environments—without the energy burden of air conditioning. Extensive coverage ensures consistent air circulation throughout the workspace. HVLS fans eliminate hot zones that come with conventional solutions.

The breeze created by HVLS fans promotes the natural evaporation of sweat, to keep workers cool and comfortable without the harsh blasts and noise of high-speed fans or the cost of AC.

Reliable Destratification With Proper HVLS Forward Operation

Big Ass Fans HVLS fans are engineered to destratify air by running in their intended forward direction at low speeds, gently pushing warm air down from the ceiling to mix with cooler air below. This steady, uniform movement eliminates temperature layers and creates a more consistent environment across the entire space.

Forward‑running HVLS fans maintain comfort without the turbulence or noise, making them ideal for year‑round use. By keeping air evenly mixed, they reduce hot and cold spots and help HVAC systems operate more efficiently.

Energy Efficiency Through Smarter Airflow

HVLS fans deliver meaningful energy savings by moving large volumes of air with minimal power, reducing the need for air‑conditioning in many spaces. Their efficient motors and optimized blade design create comfortable conditions without relying on high‑energy cooling systems.

By improving overall airflow, HVLS fans help HVAC equipment operate more effectively and reduce unnecessary runtime. The result is lower operating costs and a more sustainable approach to year‑round comfort.

Is a Big Ass Fan Worth the Investment?

295 billion

work hours lost annually worldwide from heat stress

30% reduction

in cooling costs when you supplement HVAC with HVLS fans

35-45% lower

total cost with the Powerfoil® X4 than other HVLS fans

Big Ass Fans advanced HVLS technology through continuous innovation and testing.

The cost of an HVLS fan reflects the engineering required to deliver quiet, efficient airflow. Big Ass Fans builds HVLS systems with durable components that simplify maintenance and support long-term reliability.

Estimate Your Savings

Attract and retain employees and improve your bottom line. Whether you’re cooling people in massive facilities, protecting inventory from corrosion or spoilage, reducing your energy cost in an air-conditioned building or heated building, or optimizing year‑round comfort, the Big Ass Fans HVLS fans deliver unmatched performance at scale.

Year-Round Performance

During winter months, hot air rises, while the colder air stays at the floor level with the workers and the thermostat. Your heater works overtime to keep your people warm, and sometimes it just can’t keep up.

Big Ass Fans, operate at lower speeds, and push the hot air down and allow it to circulate without creating a cooling breeze. You get more uniform air temperatures throughout your facility. The warmer air reaches your people, lessening the strain on your heater. The result? Reduced energy bills and decreased operating hours on your heater.

All Big Ass Fans HVLS fans come with variable frequency drives that allow for low speed operation. Traditional small-diameter ceiling fans often depend on reverse mode to circulate warm air in winter. In large, open facilities with high ceilings, this strategy falls short because warm air can’t travel efficiently across the ceiling and back down to floor level, limiting its impact where it matters most. You get full-year comfort and effective cost savings.

From Start to Finish, It’s Handled.

From planning through the life of your warranty, Big Ass Fans has your back.

Responsive, Reliable Service
Personally delivered by a dedicated account manager.

Comprehensive Assessment & Plan
Free SpecLab® airflow analysis report and on-site assessment.

Professional installation support
Our in‑house project coordinators manage every detail from certified contractor scheduling to proper installation ensuring optimal performance. Plus you save hours of time in project coordination.

Industry‑leading warranty
We back every product with 100% parts coverage and no fine‑print exceptions. Mechanical and electrical warranty options extend up to 15 years, with electrical coverage lengthened when you use our certified installation services.

Ongoing service & parts availability
Responsive, reliable customer support from our headquarters in Lexington, KY ensures you always reach one of our employees and get answers to your questions, service, or aftermarket parts needs.