© 2000 by Whole House Fan Installers

Trident Pro Series Whole House Fan

The Trident Pro series is one of two lines that make up the Pro series of fans only available to licensed contractors. The Trident Pro line consists of several models ranging from 1,500 CFM all the way to 7,000 CFM! There are also different speed options depending on the unit allowing homeowners to control how much airflow they want moving through their home. The Trident Pro series has a permanent split capacitor (PSC) motor which are extremely dependable, and very common in many electronic products. The PSC motor offers reliability, and great energy savings. Also included with the unit are the switch and timer. This ensures that everything needed for the install is included all in one box! On top of all this, the Trident Pro series comes with an industry leading 15-year motor warranty! If you are looking for great energy efficiency & reliability at the most affordable up-front cost, look no further than the Trident Pro series!

QC-TRI PRO 1.5X

The QC-TRI PRO 1.5 is the smallest whole house fan that Quiet Cool offers. It is mostly used as an add on fan for a multi zoned system. 

120 VAC, 60 Hz Motor Voltage 

115 Watts Energy Use 

1498 CFM Air Flow

1110 CFM HVI-916 Airflow (for CA Title 24 New Construction)  

Covers up to 750 SQ FT (Recommended SQFT Coverage @ 2 CFM per SQ FT) 

1 Speed

14"Duct Diameter

6' Duct Length

14-1/2" Motor Head Diameter

3-1/2" Motor Head Length 1

Barometric Pressurized R5 Dampers

8 Hour Electronic Timer Controls

15 year Warranty

No Framing required 

No Joist Cutting Required; fits 16” or 24” on center

2 SQ FT net free area of Minimum Suggested Attic Venting

14 1/4” x 14 1/4” Ceiling Rough Opening

16” x 16” Removable Grille Outside Dimension

43 lbs Shipping Weight

20” x 20” x 38” Box Dimensions

In The Box: 

-QC TRI PRO-1.5X Motorhead -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

QC TRI PRO 2.5X

120 VAC, 60 Hz Motor Voltage
Hi: 244 Watts / Low: 198 Watts Energy Use
Hi: 2490 CFM / Low: 1934 CFM Air Flow
1800 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 1250 SQ FT (Recommended SQFT Coverage @ 2 CFM per SQ FT)
2 Speeds
16" Duct Diameter
6' Duct Length
16-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and HI-LOW-OFF switch Controls 
15 Year Warranty
No Framing
No Joist Cutting
3.32 SQ FT net free area Minimum Suggested Attic Venting
14 1/4” x 18 1/4” Ceiling Rough Opening
16” x 20” Removable Grille Outside Dimension
49 lbs. Shipping Weight
24” x 20” x 38” Box Dimensions
In The Box:

-QC TRI PRO-2.5X Motorhead  -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

QC TRI PRO 3.3X

​120 VAC, 60 Hz Motor Voltage
Hi: 323 Watts / Low: 274 Watts  Energy Use
Hi: 3216 CFM / Low: 2890 CFM Air Flow
2450 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 1610 SQ FT  (Recommended SQFT Coverage @ 2 CFM per SQ FT)
2 Speeds
16" Duct Diameter
6' Duct Length
16-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and HI-LOW-OFF switch Controls 
15 Year Warranty
No Framing
No Joist Cutting
4.29 SQ FT net free area  Minimum Suggested Attic Venting
14 1/4” x 22 1/4” Ceiling Rough Opening
16” x 24” Removable Grille Outside Dimension
55 lbs. Shipping Weight
24” x 20” x 38” Box Dimensions
In The Box:

-QC STL PRO-3.3X Motorhead 

-Damper Box -Removable Grille  

-6 Foot Duct -Cut-out Template  

-Accessory Bag -Window Locks   -Controls

QC TRI PRO 4.8X

​120 VAC, 60 Hz Motor Voltage
Hi: 555 Watts / Low: 417 Watts Energy Use
Hi: 4428 CFM / Low: 3436 CFM   Air Flow
3260 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 2220 SQ FT (Recommended SQFT Coverage @ 2 CFM per SQ FT)
2 Speeds
18" Duct Diameter
9' Duct Length
18-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and HI-LOW-OFF switch Controls 
15 Year Warranty
No Framing
No Joist Cutting
5.91 SQ FT net free area  Minimum Suggested Attic Venting
14 1/4” x 30 1/4”  Ceiling Rough Opening
16” x 32” Removable Grille Outside Dimension
75 lbs. Shipping Weight
36” x 22” x 40” Box Dimensions
In The Box:

-QC TRI PRO-4.8X Motorhead d -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

QC STL PRO 5.5X

120 VAC, 60 Hz Motor Voltage
Hi: 632 Watts / Low: 522 Watts  Energy Use
Hi: 5068 CFM / Low: 4438 CFM  Air Flow
3940 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 2540 SQ FT  (Recommended SQFT Coverage @ 2 CFM per SQ FT)
2 Speeds
20" Duct Diameter
9' Duct Length
20-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and HI-LOW-OFF switch Controls 
15 Year Warranty
No Framing
No Joist Cutting
6.76 SQ FT net free area Minimum Suggested Attic Venting
14 1/4” x 30 1/4” Ceiling Rough Opening
16” x 32” Removable Grille Outside Dimension
97 lbs. Shipping Weight
39” x 24” x 39” Box Dimensions
In The Box:

-QC TRI PRO-5.5X Motorhead   -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

QC TRI PRO 6.0X

​120 VAC, 60 Hz Motor Voltage
Hi: 777 Watts / Low: 560 Watts Energy Use
Hi: 5708 CFM / Low: 4319 CFM  Air Flow
4150 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 2860 SQ FT  (Recommended SQFT Coverage @ 2 CFM per SQ FT)
2 Speeds
22" Duct Diameter
9' Duct Length
22-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and HI-LOW-OFF switch Controls 
15 Year Warranty
No Framing
No Joist Cutting
7.62 SQ FT net free area Minimum Suggested Attic Venting
14 1/4” x 36 1/4” Ceiling Rough Opening
16” x 38” Removable Grille Outside Dimension
103 lbs. Shipping Weight
41” x 26” x 39” Box Dimensions
In The Box:

-QC TRI PRO-6.0X Motorhead   -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

QC TRI PRO 7.0X

​120 VAC, 60 Hz Motor Voltage
Hi: 1147 Watts / Low: 797 Watts  Energy Use
Hi: 7015 CFM / Low: 5548 CFM Air Flow
5300 CFM HVI-916 Airflow (for CA Title 24 New Construction)
Covers up to 3500 SQ FT (Recommended SQFT Coverage @ 2 CFM per SQ FT)
3 Speeds
24" Duct Diameter
9' Duct Length
24-1/2" Motor Head Diameter
13-1/2" Motor Head Length
Barometric Pressurized R5 Dampers
8 Hour Electronic Timer and
HI-LOW-OFF switch Controls (Not Included)
15 Year Warranty
No Framing
No Joist Cutting
9.36 SQ FT net free area Minimum Suggested Attic Venting
14 1/4” x 36 1/4” Ceiling Rough Opening
16” x 38” Removable Grille Outside Dimension
108 lbs. Shipping Weight
41” x 28” x 39” Box Dimensions
In The Box:

-QC TRI PRO-7.0X Motorhead  -Damper Box
-Removable Grille -6 Foot Duct
-Cut-out Template -Accessory Bag
-Window Locks -Controls

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