Best-rated Evaporative Air Cooler RTF-25BL

Best-rated Evaporative Air Cooler RTF-25BL

Evaporative air coolers are getting common nowadays because they are cost-effective and efficient. The best rated cooler from RTFANS can help to reduce the air temperature.

They are ideal for the cooling and ventilation of large areas. Many commercial and industrial places like warehouses, factories, workshops, auto repair shops, shopping malls, and other large facilities have these air coolers. They can provide a comfortable environment where people can work and stay with ease. There is no discomfort in the area as the temperature is in the comfortable range. They can also work in extremely hot and dry seasons.

Due to the benefits, people try to find the best rated evaporative air cooler.

  • Choose from 8ft-24ft in diameter and above 4.5m space options;
  • 6 aluminum airfoils with winglets and safety constraints;
  • Industrial-grade motor with sealed helical gearbox for smooth operation and durability;
  • Installation to I-beams, joists, solid beams and purlins;
  • Powerful safety features keep workers cool and safe;
  • Broad airflow coverage improves your space’s existing HVAC efficiency

Time to Upgrade your Ventilation

Still, ventilating with rows of small wall fans? For customers who are using dozens or hundreds of small wall-mounted fans, we will provide a detailed ventilation cooling solution.

Core Technology

Motor Frame

"mortise and tenon joint structure" welded by the robot, traditional technique with a double guarantee on Q345B high-strength structural steel.

Safety Retainer

6 pcs airfoils are connected into a whole with 6 pcs safety retainer.


German DIN933 Industrial Bolt and DIN125A lockut with high strength 8.8 grade, the practical stress it could endure is 10 times than normal.

Cardan Joint

Unique cardan joint design, working as a human being’s joint, allows the fan to find its own vertical position no matter what the slope of the building, and helps to decrease the shock of the fan during running.

Installation Kit

  • Particular no-skip flute design and locknut to prevent any accident of installation kit;
  • Adjustable standard clip device without the need to change the structure of the building.

Fan Blade

  • High strength aircraft aluminum alloy: AA6063T6511 PVFD processed on the surface;
  • Patented airfoil design, and special reinforcing rib support system which increases the strength of fan blade and avoids the sagging of fan tail and fatigue loss of connecting components;
  • Customized fan blade color

Hub Wheel

  • Imported Aeronautic Aluminum Alloy (AA7075);
  • Unique Double Wheel Hub design;
  • High pressure forging technology, with T6 thermal treatment process & CNC precision machining & dynamic balance test of the complete set chassis & 40 times strength test.


  • Denmark imported a "DANFOSS" VFD(Variable Frequency Driver) inverter;
  • IP55 motor protection grade and NEMA 1 standard control box “Schneider” brand electrical sets, with safety protection;
  • module inside which will interrupt the output automatically in case of some accidents.

Driving Device

  • German imported "NORD" coaxial bevel wheel decelerator with a diameter of axle 40mm to decrease radial force;
  • German imported"Simrit" double oil seal design, more durable and reliable;
  • "Shell" brand top class "Omala" S4 lubrication oilZero maintenance for over 20,000 hours;
  • IE2 high efficient motor with imported"SKF-VL" bearing, save more 5~10%than IE1.

Energy Saving

RTFANS has been providing ventilation and cooling solution for nearly two decades. We produce the best rated cooler that will exceed your expectations. They are suitable for large spaces. Let’s see what benefits you will get from our best rated evaporative air cooler.

RTFANS air coolers are energy-saving. They save a lot of energy and reduce the monthly electricity bill. The running cost of these air coolers is almost 1/8th of the traditional air conditioning systems. Therefore, companies and other large facilities prefer to install our best-rated evaporative air cooler. These are excellent for large spaces. They can deal with high temperatures and low humidity. They offer excellent efficiency and minimize energy loss. You can also make your large area cooler by installing them. Their low cost of operation is what everyone needs.

High-Quality Parts

We use high-quality and durable parts, which is the reason that our evaporative air cooler is best rated. It has a high-quality motor, which is sturdy and durable. The motor rotates our patented blade, which has a unique design for optimum performance. The blade offers high airflow at low noise. Our cooling pads are specially designed to offer high-efficiency cooling. They are anti-bacterial and environmental-friendly cooling pads. The outer body of the air cooler is also made from high-quality plastic for a longer life span.

Safety First Industry Standard

Compared with other brands of large HVLS fans on the market, all the fans we produce have passed the high-strength crash test, the fans will not fall off, and the blades will not break.
Just like our manufacturing requirements, protecting people, products, and property from harm is our number one priority, so our HVLS fans are not responsible in the event of an accident or emergency.


There is no doubt that the evaporative air cooler reduces the temperature of the area and makes the environment comfortable. In addition to that, these air coolers ventilate the area by providing fresh air. Therefore, they also improved air quality. The air cooler takes air from the external environment and provides fresh air in the facility where it is installed. It also extracts the dust and other particles that are in the air. Consequently, you get fresh and cool air from it.

Get RTFANS Best Rated Evaporative Air Cooler Today!

RTFANS proudly provides the best-rated evaporative air cooler on the market. We have many models that offer different airflows. The airflow of the air coolers ranges from 20,000-45,000 cubic meters per hour. It can reduce the temperature of the area up to 10-15˚C. One air cooler can cover a large area of up to 300 square meters. These are ideal for large and crowded places where ventilation and cooling are necessary. For places with high temperatures and low humidity, these air coolers are perfect.

Our teams can assist you in selecting the right size of coolers for your facility. We are ready to help you anytime.

For a Greener Earth!

We aim to be a world-leading solution supplier specialized in large space ventilation and cooling. Join us to develop more and help our earth to be greener.

Case Show

GYM Ceiling Fan
GYM Ceiling Fan
Shopping Center
Aeration Cooling

Leave your Message here.