Cooling Tower Retrofits Solution

At Aad Tech, we provide advanced Cooling Tower EC Fan Retrofit Solutions designed to replace conventional single large fan systems with high-efficiency EC axial fans and smart controllers. Our retrofits are engineered to deliver maximum cooling tower efficiency, reduce energy consumption, and extend equipment life, all while ensuring seamless integration with modern building systems.

When compared to traditional variable frequency drive (VFD) systems, EC Fan Retrofits offer additional energy savings and superior performance in cooling tower applications, making them the smarter choice for energy-efficient upgrades. One of the key benefits of EC technology is its ability to improve energy savings in cooling tower operations, helping facilities significantly cut down on power consumption and operational costs.

This upgrade not only improves cooling performance but also enhances system reliability, delivering up to 40–50% energy savings. It’s one of the most effective and sustainable ways to optimise cooling tower efficiency for industries looking at quick payback and long-term savings.

Before and after rooftop fan installation

Why Choose an EC Fan Retrofit for Cooling Towers?

A cooling tower is a heat rejection device in HVAC and industrial systems that removes excess heat from circulating water through evaporation. The fan plays a critical role - it accelerates airflow, expels warm, moist air, and draws in cooler air to maintain optimal water temperatures for efficient heat exchange. Without efficient fans, cooling performance drops, energy use rises, and system reliability suffers. Aad Tech’s EC axial fan systems, paired with smart controllers, ensure consistent airflow, modular redundancy, and precise demand-based operation. This results in lower power consumption, improved cooling efficiency, and longer equipment life, making Aad Tech retrofits a future-ready solution for modern industries.

Our Fans Offer

Energy savings

Significantly reduce power consumption and OPEX with high-efficiency fans.

Improved airflow distribution

Multiple small axial fans ensure optimised cooling performance.

Higher system reliability

Modular design provides built-in redundancy, so operations continue even if one fan is offline.

Fan Retrofits

Book a consultation to understand how multi-fan EC systems keep you running without downtime.

Compact design

Retrofit can reduce the system size by 40–45% without compromising efficiency.

Low noise

Aad Tech’s EC axial fans, designed for cooling towers, operate with aerodynamic efficiency and dynamically balanced rotors to reduce vibration and noise compared to conventional fans. Learn more on our Axial Fans page

Seamless integration

Smart controller supports Modbus and integrates with Building Management Systems (BMS).

Part load operating range

With Aad Tech’s Smart Controller, cooling tower fans continuously analyse real-time data and adjust speed to match demand. This delivers high efficiency even at partial loads, ensuring consistent savings across different operating conditions.

Future-ready

Automation ensures consistent performance and long-term savings.

How Our Cooling Tower EC Fan Retrofit Works

Retrofit Results with Aad Tech

Key Features of Aad Tech Cooling Tower EC Fan Retrofit

Industries We Serve

Frequently Asked Questions

How much energy can I save with an EC fan retrofit?
You can save up to 40–540% on energy consumption, depending on your system’s size and load.
No. Our modular EC fan system maintains or even improves airflow while reducing power use.
Yes. Our Smart Controller supports Modbus and other protocols for seamless integration.
Yes. Even if one fan is offline, the other fans continue operating to ensure uninterrupted cooling.
A. Our retrofit reduces thermal stress, optimises airflow, and improves drift control, leading to lower water usage and simplified maintenance.