Stealth Pro Series Whole House Fans

The new Stealth Pro Series line of QuietCool fans is an installer-exclusive product. Manufactured with the Energy Saving ECM Motor, they provide substantial energy cost savings. The Stealth series fans are powerful, providing coverage of 1,488-6,035 cubic feet per minute, 750-3,000 square feet and can be installed in various areas of the home. Check out the different Stealth Pro models below to find the best one for you!

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Stealth Pro Series QC STL PRO 1.5 Fan

Stealth Series QC STL PRO 1.5X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 1.5X

The Stealth Pro Series 1.5X is a new, energy saving model of the quiet whole house fans. It is the quietest of all the fans, uses much less electricity and is perfect for bedrooms. Like our other smaller models, these work great as part of a multi-fan, multi-room system. One STL PRO 1.5X can be installed in each of your occupied bedrooms (with attic space above). In a typical installation we would include 1 STL PRO 1.5X per bedroom and one of our larger fans (STL 4.8X, 5.5X, 6.0X, 7.0X) in a central hallway. (Covers 750 sq ft)

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Stealth Pro Series QC STL PRO 2.5

Stealth Series QC STL PRO 2.5X Fan Hanging – Click to Enlarge

Quiet Cool Model QC STL PRO 2.5X

Perfect for large bedrooms and hallways, the Stealth Pro Series 2.5X has 2 speeds and moves up to 2,541 CFM. Like all Quiet Cool fans, the 2.5X is listed in the California Energy Commission’s energy efficiency database.  Due to it’s energy saving motor and versatility, our customers have deemed this a fan favorite. Typically, the STL PRO 2.5X would be placed in the master bathroom or bedroom and though-out the hallway or loft areas of the home based off the square footage. (Covers 1,200 sq ft)

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Stealth Pro Series QC STL PRO 3.3 Fan

Stealth Series QC STL PRO 3.3X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 3.3X

The Stealth Pro Series 3.3X is a new, energy saving model of the QuietCool whole house fans and is a great option for homes ranging in size from 1000 – 1300 square feet. This model moves up to 3,159 CFM throughout your home. Furthermore, this fan is perfect for large areas such as a large living room, den, loft or hallways. Typically you would have 2 or more fans in larger homes.  This is a 2 speed whole house fan that can cover up to 1,500 square feet.

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Stealth Pro Series QC STL PRO 4.8 Fan

Stealth Series QC STL PRO 4.8X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 4.8X

The Stealth Pro Series 4.8X is a new, 3 speed, energy saving model of QuietCool whole house fans. The STL PRO 4.8X best serves homes around 1,920 square feet. If you want a single fan installed in a central hallway then this is the fan for you. We recommend a multi-fan configuration with the STL PRO 4.8X in the central hallway and one of our lower CFM fans (STL 1.5X or 2.5X) in the bedrooms for maximum air flow and flexibility. (Covers 2,250 sq ft)

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Stealth Series QC STL PRO 5.5 Fan

Stealth Series QC STL PRO 5.5X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 5.5X

The Stealth Pro Series 5.5X is the newest, 3 speed, energy saving model of QuietCool whole house fans. The STL PRO 5.5X best serves homes around 2,800 square feet. If you want a single fan installed in a central hallway then this is the fan for you.  We recommend a multi-fan configuration with the STL PRO 5.5X in the central hallway and one of our lower CFM fans (STL 1.5X or 2.5X) in the bedrooms for maximum air flow and flexibility.

Download PDF Product Sheet

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Stealth Series QC STL PRO 6.0 Fan

Stealth Series QC STL PRO 6.0X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 6.0X

The Stealth Pro Series 6.0X has 3 speeds- an energy saving model of QuietCool whole house fans. The STL PRO 6.0X best serves homes around 2,800 square feet. If you want a single fan installed in a central hallway then this is the fan for you.  We recommend a multi-fan configuration with the STL PRO 6.0X in the central hallway and one of our lower CFM fans (STL 1.5X or 2.5X) in the bedrooms for maximum air flow and flexibility.

Download PDF Product Sheet

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Stealth Series QC STL PRO 7.0 Fan

Stealth Series QC STL PRO 7.0X Fan – Click to Enlarge

Quiet Cool Model QC STL PRO 7.0X

The Stealth Pro Series 7.0X is a new, energy saving model of the QuietCool whole house fans and is a great option for homes around 3,500 square feet. The STL PRO 7.0X is the most powerful whole house fan in the our Stealth Pro Series. Capable of a whopping 6,996 CFM with 3 speeds. This quiet giant is ideal for customers who want a single fan installed in a central hallway and can be used in a multi-fan configuration with some of our lower CFM models. (Covers 3,500 sq ft)

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Option #1 – Efficient Cooling

Recommended for homeowners who want all the benefits of quiet whole house fan cooling with the most cost effective solution.

1.5 – 2.0 CFM – Per SQ FT of living space
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Option #2 – The Breeze Effect

Recommended for homeowners who like to feel the breeze effect through their home. Cooling occurs quickly with more air flowing through your home.

2.5 – 3.0 CFM – Per SQ FT of living space
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QuietCool Manufacturer 15 Year Warranty

15 Year Warranty on All Stealth Series Whole House Fans

Stealth-Trident Line Warranty

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Quick Links: Classic SeriesEnergy Saver SeriesTrident PRO SeriesStealth PRO Series