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Del Mar Designs Ceiling Fan Rating System


The below ceiling fan rating system should help you review the most important qualities of a ceiling fan. We have identified four main elements of a ceiling fan: Motor, Airlfow, Design, and Efficiency. The grade or performance of each element determines the overall rating in stars. Five stars is the best rated ceiling fan available.


Example Ceiling Fan Rating:
F517-WH Concept I by Minka-Aire

Concept Ceiling Fan
Item Description Rating
Motor
172 x 20 mm Motor
(Large Standard Direct Drive Motor = 4.0)
Rating
Airflow
6300CFM
(between 5750 - 6499 CFM = 4.5)
Rating
Design
Base Score = 3.5
Original Design (+1.0),
3/4" Downrod and Canopy (+0.5)
Standard Finish (-0.5)
Rating
Efficiency
107 CFM/watt
(Over 99 CFM/Watt = 5.0)
Rating
Overall
Average of other elements Rating

Motor Rating

There are many fan motors that are used in the ceiling fan industry. Higher quality / performance motors earn more stars.

Five Stars

(5 stars)
K55XL Motor
Flywheel - The flywheel is a high performance motor that has been in production since 1979.
  • Built around thick steel laminations, surrounded by copper wiring
  • Some of the largest sealed precision ball bearings in the industry
  • Quiet operation, due to the rubber flywheel disc absorbing shock
Example fans: Stealth Fan by Casablanca Fans, Premium Fan by Emerson Fans
Five Stars

(5 stars)
Oil Bath Motor
Oil Bath - The oil bath motor is the first ceiling fan motor technology used.
  • Created by Hunter Fan Company
  • Iron is heavy, but sway and vibration is reduced
  • Oil check is required every 1-5 years
Example fan: Hunter Original series by Hunter Fan Company.
Five Stars

(5 stars)
EcoMotor
DC - DC motors are the most energy efficient motors available in the industry.
  • Magnetic field is stationary, unlike AC motors
  • Up to 300% more efficient than standard fans
  • Most fans with this motor have six speeds instead of the standard three speeds
Example fans: DC60 by Monte Carlo Fans, Midway Eco by Emerson Fans
Four and a Half Stars

(4.5 stars)
Ball Bearing Motor
Ball-Bearing - The ball bearing motor is a shaded four-pole motor that contains permanently sealed bearings.
  • Usually moves in one direction
  • 1/15th - 1/10th horsepower
  • Made in the USA
Example fan: Acqua by Matthews Fans
Four and a Half Stars

(4.5 stars)
Ultra Performance Direct Drive Motor
Ultra-Performance Direct Drive - The ultra-performance motor is a type of direct drive motor.
  • High quality bearings and copper wiring
  • The largest stacks of laminated steel in any direct drive motor
  • Provides excellent airflow
Example fans: Maxima by Monte Carlo Fans, Edgewood Deluxe by Fanimation Fans
Four Stars

(4 stars)
Stack Motor
Stack Motor - The stack motor is a type of direct drive motor
  • High quality bearings and copper wiring
  • Taller stack of laminated steel than standard direct drive motors
  • Quiet operation
Example fan: Altus by Modern Fan Company
Four Stars

(4 stars)
Large Standard Direct Drive Motor
Large Standard Direct Drive Motor - The large standard direct drive motor contains a wide stack.
  • High quality bearings and copper wiring
  • Produces more torque than standard motors
  • 172mm or bigger size motor
Example fans: Los Lunas by Minka-Aire Fans, Meadow by Hunter Fan Company
Three and a Half Stars

(3.5 stars)
Standard Direct Drive Motor
Standard Direct Drive Motor - The standard direct drive motor is a common ceiling fan motor.
  • High quality materials
  • Mainly used in contractor / builder grade ceiling fans
  • Produces great airflow
Example fans: Micro by Monte Carlo Fans, Builder Specialty by Savoy House Fans

Airflow Rating

Ceiling fans produce airflow, measured in cubic feet per minute (CFM) of air moved. Ceiling fans that circulate more air earn higher ratings.

50" and above
Airflow
Rating
6500+ CFM:
Five Stars
5750 - 6499 CFM:
Four and a Half Stars
5000 - 5749 CFM:
Four Stars
3000 - 4999 CFM:
Three and a Half Stars
2999- CFM:
Three Stars
42" to 49"
Airflow
Rating
5000+ CFM:
Five Stars
4000 - 4999 CFM:
Four and a Half Stars
3000 - 3999 CFM:
Four Stars
2000 - 2999 CFM:
Three and a Half Stars
1999- CFM:
Three Stars
41" and under
Airflow
Rating
4000+ CFM:
Five Stars
2500 - 3999 CFM:
Four and a Half Stars
1500 - 2499 CFM:
Four Stars
1499- CFM:
Three and a Half Stars

Check out our Fan Size Guide to help determine the proper ceiling fan size and airflow rating needed for your room size.


Artisan / Design Rating

All of our products start with a base of 3.5 stars. Many design variables can raise or lower this rating.

Things that increase a fan rating:
  • Good Design Award Recipient (+ 1.5 stars) - This award is given out by the Ministry of International Trade and Industry, starting in 1957.
  • Original Design (+ 1.0 stars) - Some fan designs have become so successful that they are copied by other ceiling fan manufacturers.
  • Accredited Designer Fans (+ 1.0 stars) - Premier designers such as Jessica McClintock, George Kovacs, & Cristina Saralegui design these fans.
  • Decorative Motor Housing (+ 0.5 stars) - Precision measurements will complement attention to detail, making these fans unique.
  • 3/4" Downrod and Canopy (+ 0.5 stars) - A larger downrod and canopy system ensures optimal support and ease of installation.
  • Matching Canopy (+ 0.5 stars) - Engineering is involved in creating the fan while maintaining standards and complementing the fan with decor.
  • Premium Finishes (+ 0.5 stars) - These are usually dipped, plated, painted, and are finished with a clear coat for their exceptional quality and durability.
  • Furniture-Grade Veneer Blades (+ 0.5 stars) - The finest grade veneer is laminated to cross laminated hardwood layers, which prevents blade warping.
  • Hand-Carved, Woven and Rattan Blades (+ 0.5 stars) - Hand crafted from only the finest grade materials, giving these blades unique characteristics.
Things that decrease a fan rating:
  • Builder Grade Fans (- 0.5 stars) - These fans are comprised of the basic, universal design characteristics of a standard ceiling fan.
  • Standard Finishes (- 0.5 stars) - Standard whites, blacks, antique and polished brasses lack the overall luster of a premium finish.

Efficiency Rating

The airflow efficiency is the "bang for the buck", in watts, that you are getting with your ceiling fan. More efficient fans earn higher ratings.

50" and above
Efficiency
Rating
99.0+ CFM/Watt:
Five Stars
85.0 - 98.9 CFM/Watt:
Four and a Half Stars
75.0 - 84.9 CFM/Watt:
Four Stars
50.0 - 74.9 CFM/Watt:
Three and a Half Stars
49.9- CFM/Watt:
Three Stars
42" to 49"
Efficiency
Rating
80.0+ CFM/Watt:
Five Stars
60.0 - 79.9 CFM/Watt:
Four and a Half Stars
40.0 - 59.9 CFM/Watt:
Four Stars
39.9- CFM/Watt:
Three and a Half Stars
41" and under
Efficiency
Rating
70.0+ CFM/Watt:
Five Stars
50.0 - 69.9 CFM/Watt:
Four and a Half Stars
25.0 - 49.9 CFM/Watt:
Four Stars
24.9- CFM/Watt:
Three and a Half Stars

Check out our How to Buy a Ceiling Fan Guide for other important qualities to consider when buying a ceiling fan for your home.

Ceiling Fan Reviews

Visit our Blog CeilingFan.org for Ceiling Fan Reviews.



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