![]() ![]() This energy efficiency offered by MacroAir fans is not only better for the environment, but provides savings for consumers in both heating and air conditioning costs. This large, slow moving air mass moves throughout the space, mixing and circulating air more efficiently without generating the noise and dust created by other industrial fans.īecause comparable high-speed fans focus on using their speed to increase air displacement, a commercial fan delivering air at 20 mph requires about 64 times as much power as one of the same size delivering air at 5 mph. ![]() ![]() MacroAir’s HVLS fans work by generating a large column of air that flows down to the ground and outward 360 degrees. A large column of air simply travels farther than a small one. A turbulent, high velocity air jet dissipates very quickly. Instead, it is the down-stream effects of that air movement that are important. In fact, in very hot, low humidity conditions, very slow moving air actually cools best.ĭisplacement, the amount of air actually moved through a fan, is of no real significance. Further, air speed beyond four or five miles per hour usually offers little, if any, additional cooling benefit. High velocity air movement, the wind created, is both unpleasant and disruptive. It was logical then, that with the advent of the electric motor, that fans would be one of the first things to be mechanized.Īt some point however, engineers became so focused on using speed to increase air displacement – the cubic feet of air per minute (CFM) moved through the fan – that some important physics-based issues were overlooked. People have been aware of this for thousands of years, long before the application of modern physics. Nothing feels better on a hot day than a gentle breeze. One of MacroAir’s Airvolution fans consumes about the same amount of electricity as a high-speed alley fan and yet it moves over 12 times the amount of air and only costs about a nickel per hour to operate.Īlthough MacroAir has been producing energy efficient HVLS air circulating fans for more than ten years, the application is somewhat new and unknown. Simply put, they move more air per watt of energy expended than any comparable system, which is not only better for our environment but can offer significant savings to consumers in energy costs. It is the unprecedented energy efficiency that makes MacroAir HVLS fans such a green product. Always striving to do better and achieve more, MacroAir is constantly working to make improvements and create and refine new technologies to revolutionize the industry.įounded by Walter Boyd, the inventor of HVLS commercial fan technology, and a family-owned company since its inception in 1995, MacroAir combines technology with a unique application of the laws of physics to produce air-circulating fans for use in large industrial, commercial, and agricultural/farm buildings. MacroAir’s experts are available to answer any questions you may have in regards to clearance and spacing requirements for your fan.Producing the “greenest fans on earth” is more than just a tagline for MacroAir Technologies – it is a vision and a fundamental business practice that is evident in every product designed, every improvement made and every innovation conceived. Air is sure to reach every nook and cranny of your space, keeping every plant, animal, and person comfortable. Keeping fans up higher (especially larger diameter fans) actually allows even more air circulation. Please note that HVLS fans do not need to be closer to the ground in order for you to feel the air move. The AVD370 can go as short as a one ft drop standard.Īlso, make certain that fans are positioned so that blade tips are at least 3 feet away from any area where a person may be able to extend outward to reach them. Many models can be shortened to a 2 ft drop standard. Most fans have a 3 ft drop standard, meaning your ceiling height must be at least 13 ft. MacroAir fans have a minimum height requirement is at least 10 feet above the floor. ![]()
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