Voltas Limited, India.

Voltas Ltd, Waghodia, Gujarat, India

A Case Study : Epoch HVLS 18-ft Fan By Falco eMotors Inc.
Report No. 040720-03

124%

Saving on Electricity

2 X

Get 2 x Airflow

<35 dBA

Lowest sound in the World

Key Facts

Benefits

Direct Drive PMSM Motor
Lowest Weight
Active Power Factor Corrected

Industry

Industrial

Location

India

Product

Epoch 18-ft 5-Blades 75 RPM HVLS Fan with Epoch 2.0 Motor and Controller - 140Nm/1.1kW/1.5 hp

Problem

Voltas Limited established its manufacturing facility at Sanand, Gujarat, producing home appliances like refrigerators and washing machines.
The manufacturing floor is large with assembly and production areas handled by both automated systems and workers, including storage and inventory zones.
During summer, temperatures remain high despite roof insulation.
Humidity risks damaging stored packaging and products.
Maintaining plant temperature is crucial for worker safety and factory productivity.

Solution

Installed Epoch 2.0, 18-ft Fan with specifications:
- Motor: Epoch 2.0
- Coverage Area: 15000 Sq. Ft. (1393 Sq. m)
- Speed: 75 RPM
- Peak Power: 1.1kW/1.5 hp
Fan became popular due to exceptional airflow and efficiency.

Site Survey

A site survey is mandatory before any HVLS fan recommendation. The survey revealed the following dimensions:

Total Area: 396 ft X 98 ft = 38,808‬ Sq. ft.
Floor to Ceiling Distance: 25–28 ft
Fan diameter selected using rule of thumb: distance/1.5 → 18-ft fan chosen

Test Reports

Power Consumption Report

Real and apparent power recorded at 25, 35, 45, 55, 65, 75 RPM: 96.54, 121.68, 229.8, 330.3, 499.43, 877.53 W. Epoch HVLS fans feature active power factor correction, making real and apparent power nearly identical.