H.T. Lyons Reduces AC Tonnage by 25% with MacroAir HVLS Fans

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New case study outlines how “green” mechanical contractor reduced tonnage, capital costs and energy usage by incorporating HVLS fans into two commercial HVAC systems.

MacroAir Technologies, Inc., manufacturers of HVLS (High Volume, Low Speed) commercial ceiling fans, has published its newest case study, “H.T. Lyons Reduces AC Tonnage 25% by Incorporating HVLS Fans into HVAC Systems.” The case study can be downloaded from the MacroAir website at http://macroairfans.com/green-hvac-contractor-reduces-ac-tonnage-by-25/.

The case study outlines how H.T. Lyons, a full service mechanical contractor in Allentown, PA (and a subsidiary of PPL Corporation), incorporated 24-foot HVLS fans into two commercial HVAC projects: a 125,000 square foot rented warehouse for Liberty Property Trust and a 95,000 square foot warehouse for Olympus. By incorporating MacroAir HLVS fans into the HVAC systems, H.T. Lyons achieved a number of benefits, including improved ventilation effectiveness and evaporative cooling. MacroAir HVLS fans also allowed H.T. Lyons to raise the AC set point by approximately four degrees while achieving the same cooling effect – for an estimated 3 – 5% reduction in energy consumption. In addition, H.T. Lyons was able to reduce AC tonnage by 25% at each project. By reducing tonnage, the company was able to reduce the number of AC units needed as well as the amount of ducting. Both warehouses comply for ENERGY STAR performance.

“It’s well documented that HVLS fans work well with heat destratification,” says Eddie Boyd, President of MacroAir Technologies, “but less known that these large, slow-moving fans can also help lower energy costs in cooling applications. We’re pleased that H.T. Lyons, a company that’s on the cutting edge of creating ‘green’ HVAC systems, was able to prove that MacroAir HVLS fans helped lower costs for their clients.”

About MacroAir Technologies, Inc.

Since developing the first HVLS 10-blade prototype in 1998, MacroAir Technologies has continually refined the design of the most durable and cost-effective commercial ceiling fan on the market. The company’s energy-efficient, long-lasting HVLS fans can be found in barns, warehouses, manufacturing plants, air hangers, and retail establishments across the U.S. and around the world. To learn more, visit http://www.macroairfans.com or call 866-668-3247. MacroAir can also be found on Facebook and Twitter.


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Christopher Dierker

Jaylin Krell
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