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Ventilation & Indoor Air Quality
Ceiling-mounted bathroom exhaust fan with square white grille and black duct outlet.
RG-M79LA dimensions-2000x2000
Bathroom exhaust fan installed in a bright bathroom highlighting powerful airflow, whisper-quiet operation, and dimmable LED light.
Modern bathroom showcasing the exhaust fan’s dimmable 3000K warm white LED light and included nightlight feature.
Side-by-side bathroom mirror comparison showing foggy mirror before ventilation and clear mirror after fan operation.
Three interior spaces—a laundry room, a bathroom, and an entryway—showing product suitability for different rooms.

Whisper Mighty® Ventilation Fan/Light, 70/90 CFM

Model:

  • RG-M79LA

This bathroom exhaust fan with light delivers powerful, energy-efficient ventilation to help improve air circulation, reduce excess moisture, and maintain a fresher indoor environment. Integrated LED lighting provides bright, energy-efficient illumination, while quiet operation enhances everyday comfort. Designed for reliable performance, it helps control humidity and odors while supporting a healthier, more comfortable bathroom space.

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  • One 10W, dimmable, LED chip panel with less than 1W LED nightlight (nightlight must be wired separately)
  • Pick-A-Flow™ selector lets you choose between 70 or 90 CFM with a quick flip of a switch
  • Extremely quiet operation, down to less than 0.7 sones at 70 CFM, supports a more comfortable room environment
  • Single-hinged Flex-Z-Fast® bracket provides flexible, fast and easy installation
  • ENERGY STAR® Certified ventilation fan offers powerful, energy-efficient airflow, making it ideal for small to medium-sized bathrooms, laundry rooms, sunrooms, basements, or garages

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Additional Features

Warranty: 3 years on motor, 5 years on LED light & parts from the date of original purchase.

Built-in Pick-A-Flow™ Airflow Selector: Provides the unique ability to select your required airflow of 70 or 90 CFM with the flip of a switch. The ability to choose the CFM, allows you the flexibility and assurance that one fan will satisfy a range of ventilation design requirements and perform as promised, even with a complicated duct run.

LED Lighting: Fan includes a 10-Watt dimmable LED chip panel offering a 3000k warm white color and 700 Lumens for a 50,000-hour rated average life plus a less than 1-Watt LED night light (must be wired separately)

ENERGY STAR® certified for energy efficiency & savings

ENERGY STAR® certified vent fans meet strict parameters set by the US Environmental Protection Agency. Panasonic ventilation fans are ENERGY STAR® certified and provide greater efficiency and healthier indoor air quality with less noise. High performance motors and improved blade design deliver the superior performance and long-life operation you expect from a Panasonic ventilation fan.

Panasonic fans use less energy to move larger volumes of air than other fans, and they run cooler so they last longer, providing efficient ventilation and healthy indoor air for many years. The built-in thermal-cutoff fuse practically eliminates chances of overheating which can result in motor failure, which means this may be the last vent fan you ever buy.

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