Click a Stealth Pro Series model below to learn more:

The Stealth Pro is the second line in our Pro series. These units are also only available for purchase through authorized wholesalers which can only be purchased by a licensed contractor. The models’ CFM range and speed options are similar to the Trident Pro series, along with the controls also being included in the box. The major component that separates the Stealth Pro series from the Trident series is the electronically commutated (ECM) AC/DC brushless motor. These motors are breaking new ground in the world of whole house fans! The motor contains a microchip that allows the motor to cycle from alternating current, to direct current. This is what has homeowners so excited and allows the incredible energy savings! Another great benefit of this “brushless” motor is there are fewer moving parts, which translates to fewer parts at risk of being damaged. The Stealth Pro series also comes with an industry-leading 15-year motor warranty! If reducing your energy footprint by the largest margin is your main focus, or if you are looking to save the most money, then the Stealth Pro is the answer you have been looking for!

QuietCool Stealth Series Features

Different Angles of the Stealth Whole House Fan Motor
Innovative and Patented Design

The QuietCool Stealth Pro whole house fan features our patented, self-contained duct system that hangs in the attic to help neutralize any noise vibrations. The result is the ability to use the system at any time without sound disturbance.

Electronically Commutated AC/DC Brushless Motor

All QuietCool Stealth Pro Line fans include our ultra-high efficiency electronically commutated AC/DC brushless motors. Known as “ECM” motors, these motors offer ultra-high efficiency with very high CFM/Watt ratios. All Stealth Pro fans operate on low wattage and low amperage. These motors are so efficient that they can help homeowners slash their A/C related electricity costs by up to 50-90%.

R5 Insulated Damper System

The included damper system features barometric pressurized gravity dampers that ensure there will be no heating/cooling loss between the home and attic. Compare this to traditional whole house fans that have old-style shutters with zero R-Value and it is not quite close.

Industry Leading Warranty

QuietCool offers an industry leading 15‐year warranty. With QuietCool, you will have the confidence that your fan will be operating at its fullest potential for a decade, or more likely, even longer! And if by some chance it breaks during that decade, you will know that you are completely covered on any parts that make up your QuietCool fan motor assembly.

Stealth Pro Series 1.5X

The Trident Series 1.5X provides 1,498 CFM, operates very quietly, and is a great product for individual bedrooms. The TRI PRO 1.5X is a single-speed whole house fan. Like our other smaller models, these work great as part of a multi-fan, multi-room system. One of these fans can be installed in each of your occupied bedrooms (with attic space above). In a typical installation we would include 1 TRI PRO 1.5X per bedroom and one of our larger fans (TRI PRO 4.8X, 5.5X, 6.0X, 7.0X) in a central hallway. (Covers 730 sq ft)

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Tri Pro 1.5X Specification Sheet

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Stealth Pro Series 2.5X

The Trident PRO Series 2.5X provides 2,490 CFM on high and 1934 on low, operates very quietly and is a great product for larger individual bedrooms. The TRI PRO 2.5X is a two-speed whole house fan. Like our other smaller models, these work great as part of a multi-fan, multi-room system.  One of these fans can be installed in each of your larger occupied bedrooms (attic space above). Typical installations we would include 1 TRI PRO 1.5X or TRI PRO 2.5X per bedroom and one of our larger fans (TRI PRO 4.8X, 5.5X, 6.0X, 7.0X) in a central hallway. (Covers 835 sq ft)

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Tri Pro 2.5X Specification Sheet

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Stealth Pro Series 3.3X

The Trident PRO Series 3.3X provides 3,216 on high and 2,890 CFM on low, operates very quietly, and is a great product for individual bedrooms. The TRI PRO 3.3X is a two-speed whole house fan. Like our other smaller models, these work great as part of a multi-fan, multi-room system.  One of these fans can be installed in each of your larger occupied bedrooms (attic space above). Typical installations we would include 1 TRI PRO 1.5X, 2.5X, or 3.3X per bedroom and one of our larger fans (TRI PRO 4.8X, 5.5X, 6.0X, 7.0X) in a central hallway. (Covers 1,100 sq ft)

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Tri Pro 3.3X Specification Sheet

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Stealth Pro Series 4.8X

The Trident Pro Series 4.8X is a great option for homes around 1,600 to 2,400 square feet. The TRI PRO 4.8X offers 2 speeds but provides 4,428 CFM on high! This fan is perfect for central locations like hallways. The Trident Pro 4.8X is perfect for those who only want a single fan in their home. It can be combined with a smaller fan for individual bedrooms like a Tri Pro 1.5X, 2.5X or 3.3X. Additionally, they come with a 15-year manufacturer’s warranty.

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Tri Pro 4.8X Specification Sheet

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Stealth Pro Series 5.5X

The Trident Pro Series 5.5X is a great option for homes around 1,835 to 2,750 square feet. The Trident Pro series 5.5X offers 2 speeds but provides 5,068 CFM on high! This fan is perfect for central locations like hallways or as a single fan in a smaller home. Can be combined with a smaller fan for individual bedrooms like a Tri Pro 1.5X, 2.5X or 3.3X.  Additionally, they come with a 15-year manufacturer’s warranty.

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Tri Pro 5.5X Specification Sheet

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Stealth Pro Series 6.0X

The Trident Pro Series 6.0X is an installer exclusive QuietCool whole house fan and is a great option for homes around 2,000 to 3,500 square feet. Capable of  5,708 CFM with 2 speeds and can be controlled by a switch and timer or handheld remote control. This quiet giant is ideal for customers who want a single fan installed in a central hallway. The TRI PRO 6.0X is best used in a multi-fan configuration with some of our lower CFM models, like the Tri Pro 1.5X, 2.5X and the 3.3X (Covers 2,000 to 3,000 sq ft)

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Tri Pro 6.0X Specification Sheet

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Stealth Pro Series 7.0X

The Trident Pro Series 7.0X is an installer exclusive QuietCool whole house fan and is a great option for homes around 2,335 to 3,500 square feet. Capable of a whopping 7,015 CFM with 2 speeds and can be controlled by a switch and timer or handheld remote control. This quiet giant is ideal for customers who want a single fan installed in a central hallway. The TRI PRO 7.0X is best used in a multi-fan configuration with some of our lower CFM models, like the Tri Pro 1.5X, 2.5X and the 3.3X (Covers 2,335 to 3,500 sq ft)

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Tri Pro 7.0X Specification Sheet

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QuietCool Manufacturer 15 Year Warranty

15 Year Warranty on Trident Series Whole House Fans

Stealth-Trident Line Warranty

Quick Links: Classic SeriesEnergy Saver SeriesTrident PRO SeriesStealth PRO Series