Scroll Top
36, Rajabather Street, T.Nagar Chennai 600 017

Exhaust Fans Buying Guide

Buying Guide for Exhaust Fans

In today’s dynamic environment, ensuring optimal air quality and circulation is paramount for both residential and industrial spaces. Exhaust fans and industrial fans serve as indispensable tools in achieving these goals, albeit in distinct settings. Exhaust fans, found primarily in residential settings, play a crucial role in maintaining indoor air quality by expelling stale air, controlling humidity, and mitigating odors.

Airflow Capacity

Exhaust Fans

Measure in cubic feet per minute (CFM). Choose a fan with a CFM rating suitable for the size of the room. For bathrooms, kitchens, or spaces with high humidity, higher CFM ratings are essential.

Power Consumption

Check the wattage of the fan to understand its energy consumption. Lower wattage means less energy usage but should be balanced with adequate airflow.

Energy Efficiency

Look for Energy Star ratings or equivalent certifications which indicate higher efficiency. More stars typically mean better energy performance.Modern fans often come with energy-efficient motors that reduce electricity costs over time.

Noise Level

Measured in sones for exhaust fans and decibels (dB) for industrial fans. Lower ratings indicate quieter operation, which is crucial for comfort in residential areas and productivity in industrial settings.

Durability and Build Quality

Fans should be made from robust materials like galvanized steel or high-quality plastic. For industrial settings, look for fans with additional protections against dust, moisture, and harsh environments.

Control Features

Consider fans with multiple speed settings, remote controls, and smart connectivity for automation and convenience.

Mounting and Installation

Ensure the fan is compatible with the intended mounting location, be it wall, ceiling, or window. For industrial fans, consider whether they are pedestal, wall-mounted, or ceiling-mounted for optimal placement.

Power Consumption of Exhaust Fans

Exhaust Fans


Typically 10-50 watts.


Around 60-100 watts.


100-200+ watts.

Star Rating

Star ratings are a powerful tool for consumers looking to save money and reduce their environmental impact. When applied to fans, these ratings indicate how efficiently a fan converts electrical energy into cooling power.

Just like with other appliances in your home, fans are assigned a star rating, typically ranging from 1 to 5. A 5-star fan is the most energy-efficient option, consuming significantly less electricity to produce the same level of airflow compared to a 1-star fan. This translates to real savings on your energy bills over time.

The star rating system is a simple and effective way to compare different fan models. By prioritizing higher-rated fans, you can make a significant contribution to reducing your household’s energy consumption and minimizing your carbon footprint.

Exhaust Fans

Top Brands Fans In India

Visit our website or stop by our store to explore our full range of products and take advantage of our special offers and promotions. Transform your home into a haven of comfort and convenience with Rathna Cools. Thank you for choosing us as your trusted partner in home comfort solutions! We at Rathna Fan House Specialized in selling top brand Fans.

Clear Filters
Usha Fans
Usha Fans
Venus Fans
Venus Fans
Almonard Fans
Almonard Fans
Crompton Fans
Crompton Fans
Orient Electric
Orient Electric
Sowbaghya Fans
Sowbaghya Fans
Superfan Fans
Superfan Fans
Lloyd – Havells Fans
Lloyd – Havells Fans
Mccoy Fans
Mccoy Fans
Remi Fans
Remi Fans
Atomberg Fans
Atomberg Fans
Khaitan Fans
Khaitan Fans

5-Star Rated Fans

Highest energy efficiency.

Often come with advanced features like brushless DC motors.

More expensive upfront but save money in the long run due to lower energy consumption.


Good energy efficiency.

Balanced cost and performance.

Suitable for most residential and light commercial uses.

3-Star Rated Fans

Moderate energy efficiency.

More affordable but with higher running costs.

Suitable for areas where fans are not used continuously.

Why should choose? and Avoid a EXHAUST Fans


Temperature Regulation
Helps to lower room temperature by exhausting hot air, particularly useful in summer.
Enhanced Comfort
Ensures a comfortable environment by maintaining air circulation and reducing stuffiness.
Improved Air Quality
Removes stale air, odors, and pollutants, enhancing indoor air quality.
Moisture Control
Reduces humidity levels, preventing mold and mildew growth, especially in bathrooms and kitchens.


Regular cleaning and maintenance are necessary to keep the fan functioning efficiently, which can be time-consuming.
Energy Consumption
Although energy-efficient models are available, continuous use can still add to energy bills, especially in high-use areas.
Installation Complexity
Requires proper installation, which may involve electrical work and creating vents, potentially increasing initial costs.
Noise Levels
Some models can be noisy, which might be disturbing in quiet environments.

Buy Top Brand fans at Rathna Fan House



When buying exhaust Fans in 2024, consider airflow capacity, power consumption, energy efficiency, noise level, durability, control features, mounting, size, and warranty. Star ratings are crucial for understanding energy efficiency, with higher stars indicating better performance. Balancing these factors will ensure you select the best fan for your needs, optimizing both functionality and cost.