4-Inch Duct Fans

9 results
Panasonic WhisperCeiling 3.1" - 4" Traditional Bathroom Fan, White (FV-0511VQ1) image 1
Item: 24630496
Model: PANFV0511VQ1

WhisperCeiling DC Precision Spot Ventilation Fan with built-in Pick-A-Flow speed selector switch allows you to select your required airflow (50-80-110 CFM). Features a ECM Motor with SmartFlow technology and a Flex-Z Fast installation bracket. Can be used to comply with the latest codes and standards..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design. Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMARTFLOW TECHNOLOGY: When the fan senses static pressure, speed is automatically increased to ensure optimal CFM output, thereby increasing your fan's ability to eliminate humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, IAP, EarthCraft, California Title 24, Washington VIAQ codes and standards

Price is  $144.59
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Panasonic WhisperCeiling 3.1" - 4" Traditional Bathroom Fan, White (FV-0511VQL1) image 1
Item: 24630501
Model: PANFV0511VQL1

WhisperCeiling DC Precision Spot Ventilation Fan/Light with built-in Pick-A-Flow speed selector switch allows you to select your required airflow (50-80-110 CFM). Features an ECM Motor with SmartFlow technology and a Flex-Z Fast installation bracket. Can be used to comply with the latest codes and standards..EXTREMELY QUIET : Precision, whole-house ventilation solution ideal for use in the bathroom, laundry room, sun room, basement or garage.Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor, 5-year warranty on LED lamps, and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design. Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMARTFLOW TECHNOLOGY: When the fan senses static pressure, speed is automatically increased to ensure optimal CFM output, thereby increasing your fan's ability to eliminate humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, IAP, EarthCraft, California Title 24, Washington VIAQ codes and standards

Price is  $271.99
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Panasonic WhisperValue 3.1" - 4" Traditional Bathroom Fan, White (FV-0810VSS1) image 1
Item: 24630495
Model: PANFV0810VSS1

WhisperValue DC with multi-speed allows you to select the proper CFM settings to satisfy ASHRAE 62.2 code compliance for continuous ventilation requirements. As the lowest profile ENERGY STAR rated ventilation fan available it is ideal for all types of residential and multi-family construction..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

Price is  $128.49
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Panasonic WhisperValue 3.1" - 4" Traditional Bathroom Fan, White (FV-0510VSC1) image 1
Item: 24630498
Model: PANFV0510VSC1

WhisperValue DC Fan with pre-installed condensation sensor helps control bathroom condensation to prevent mold and mildew. It is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single and Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50-80-100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.CONDENSATION SENSOR: This automatic sensor will turn on your ventilation fan when humidity is detected, a convenient way to prevent mold and mildew.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

Price is  $157.99
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Panasonic WhisperValue 3.1" - 4" Traditional Bathroom Fan, White (FV-0510VSL1) image 1
Item: 24630502
Model: PANFV0510VSL1

WhisperValue DC Fan/LED Light is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single, Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50, 80 or 100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

Price is  $186.99
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Panasonic WhisperValue 3.1" - 4" Traditional Bathroom Fan, White (FV-0510VS1) image 1
Item: 24630505
Model: PANFV0510VS1

WhisperValue DC is the lowest profile ENERGY STAR rated ventilation fan available. Ideal for residential construction (Single; Multi-Family) and Manufactured Homes. It features Panasonic’s revolutionary ECM motor with SmartFlow optimum CFM technology, and incorporates a Pick-A-Flow airflow selector switch to customize airflow (50, 80 or 100 CFM)..EXTREMELY QUIET: At less than 0.3 sones, this fan operates just as loud as an actual whisper.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Designed for use with 4-in oval ducts. Unique L-Shaped bracket simplifies installation and provides strong support.CLEAN AIR: Panasonic ventilation fans will increase your air quality, eliminating humidity, mold, mildew, and other air pollutants from any room.CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, California Title 24, Washington VIAQ codes and standards

Price is  $90.29
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Panasonic WhisperSense 3.1" - 4" Traditional Bathroom Fan, White (FV-0511VQCL1) image 1
Item: 24630499
Model: PANFV0511VQCL1

WhisperSense DC Precision Spot Ventilation fan/LED Light with built-in Dual Sensor Technology (Motion and Moisture) for automatic moisture and odor control. Features Pick-A-Flow speed selector switch to select required airflow (50-80-110 CFM) and ECM Motor with SmartFlow technology for optimum performance. Can be used to comply with the latest codes and standards..QUIET, CLEAN AIR: At less than 0.3 sones, this fan operates just as loud as a whisper as it increases your air quality by eliminating humidity, mold, mildew, and other air pollutants from any room.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air - Less energy leads to less overheating and motor failure, saving you on repair costs - Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design - Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMART SENSORS: Built-in adjustable motion and humidity sensors with auto shutoff for increased energy efficiency.CODE COMPLIANT: WhisperSense DC was awarded ENERGY STAR 2018 Most Efficient - The fan also complies with ASHRAE 62.2, LEED, CALGreen, California Title 24, Washington VIAQ codes and standards

Price is  $332.49
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Panasonic WhisperSense 3.1" - 4" Traditional Bathroom Fan, White (FV-0511VQC1) image 1
Item: 24630500
Model: PANFV0511VQC1

WhisperSense DC Precision Spot Ventilation fan with built-in Dual Sensor Technology (Motion and Moisture) for automatic moisture and odor control. Features Pick-A-Flow speed selector switch to select required airflow (50-80-110 CFM) and ECM Motor with SmartFlow technology for optimum performance. Can be used to comply with the latest codes and standards..QUIET, CLEAN AIR: At less than 0.3 sones, this fan operates just as loud as a whisper as it increases your air quality by eliminating humidity, mold, mildew, and other air pollutants from any room.LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air - Less energy leads to less overheating and motor failure, saving you on repair costs - Included 6-year warranty on motor and 3-year warranty on parts.EASY-TO-INSTALL: Works with 4-in and 6-in ducts for flexibility in duct layout and design - Flex-Z Fast installation bracket is ideal for positioning the fan exactly where you want it.SMART SENSORS: Built-in adjustable motion and humidity sensors with auto shutoff for increased energy efficiency.CODE COMPLIANT: WhisperSense DC was awarded ENERGY STAR 2018 Most Efficient - The fan also complies with ASHRAE 62.2, LEED, CALGreen, California Title 24, Washington VIAQ codes and standards

Price is  $248.99
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Deflecto Aluminum Flex Duct, 50' (DEFFM0450) image 1
Item: 1591681
Model: DEFFM0450

The Deflecto® FM0450 duct is made of flexible aluminum for added strength and durability. Measures 4" diameter x 50' and comes with markings on each foot for easy measurement..Flex duct for various venting purposes.2 Ply aluminum construction for durability.Dimensions: 50"L x 4" diameter.Markings each foot for easy measurement.Aluminum duct for flexibility.For use as bath fan exhaust duct.Weight: 4 lbs..⚠ WARNING: This product can expose you to Carbon Black, which is known to the state of California to cause cancer. For more information go to www.P65warnings.ca.gov.Deflecto® Duct has a length of 50' is perfect to used as bath fan exhaust. Offers easy installation.

Price is  $44.49
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About 4-Inch Duct Fans

4-inch duct fans are essential components for improving ventilation and air circulation in various spaces, including bathrooms, kitchens, and attics. These compact fans are designed to efficiently move air through ductwork, helping to eliminate moisture, odors, and stale air while promoting a healthier indoor environment.

With their small size, 4-inch duct fans are ideal for tight spaces where larger fans may not fit. They provide a powerful airflow while operating quietly, making them perfect for residential and commercial applications where noise reduction is a priority.

When choosing a 4-inch duct fan, consider features such as airflow capacity, noise level, and energy efficiency. Many models come equipped with adjustable speed settings, allowing you to customize the airflow to suit your specific needs, whether for continuous ventilation or intermittent use.

Additionally, look for fans with easy installation options and durable construction materials to ensure long-lasting performance. Many 4-inch duct fans also include built-in dampers to prevent backdrafts, enhancing their efficiency and effectiveness in maintaining optimal air quality.

What is a 4-inch duct fan used for?

  • A 4-inch duct fan is primarily used to improve air circulation and ventilation in confined spaces such as bathrooms, kitchens, and small attics. They help remove moisture, odors, and stale air, contributing to a healthier indoor environment.

How do I choose the right 4-inch duct fan?

  • To choose the right 4-inch duct fan, consider the airflow capacity measured in cubic feet per minute (CFM), noise levels, and energy efficiency ratings. Additionally, assess the installation requirements and whether you need features like adjustable speeds or built-in dampers.

Are 4-inch duct fans noisy?

  • Noise levels can vary between models, but many 4-inch duct fans are designed to operate quietly. Look for fans with low sone ratings for quieter operation, especially in residential settings where noise reduction is important.

Can I use a 4-inch duct fan for my kitchen?

  • Yes, a 4-inch duct fan can be used in kitchens to help ventilate cooking odors and moisture. Ensure that the fan is rated for kitchen use and has sufficient airflow capacity to effectively manage the space.

Do I need a professional to install a 4-inch duct fan?

  • While some 4-inch duct fans are designed for easy DIY installation, hiring a professional can ensure proper placement and functionality, especially if ductwork modifications are needed. Always follow the manufacturer's installation guidelines for best results.

What is the typical lifespan of a 4-inch duct fan?

  • The lifespan of a 4-inch duct fan can vary based on usage and maintenance, but many models can last between 5 to 10 years. Regular maintenance, such as cleaning and checking for obstructions, can help extend their lifespan.