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XN50ULTRA GREEN™ Series 50 CFM Single-Speed

  • Overview
  • Video Links
  • Dwelling Unit Ventilation Selector
  • Specifications
  • Accessories
  • Reviews
  • Answers
  • Product is DISCONTINUED. Suggested replacement is Broan model # XB50

  • Video Links

    Improving indoor air quality with ULTRA GREEN™ ventilation fans

    Broan ULTRA™ Series Ventilation Fan - Installation Video for Retrofit

    ULTRA™ Series Testimonials

    Broan ULTRA™ Series Ventilation Fan - Installation Video for New Construction

    ULTRASMART™ DC Motor and Control Technology

    ULTRASILENT™ with QStream™ Sound Technology

    ULTRAQUICK™ Installation Technology

    ULTRASENSE™ H Humidity Sensing Technology

    ULTRASENSE™ M Motion Sensing Technology

    Older Homes and Indoor Air Quality

    Indoor Air Quality: Passions

    Spot Ventilation Can Improve the Indoor Air Quality in Your Home

    Indoor Air - Concerns For Healthy Living Environments - The Balancing Act® on Lifetime® Television

    How Do I Prevent Mold Growth In Bathrooms? - Danny Lipford

    Broan ULTRA PRO™ Series Bath & Ventilation Fans

    How long can the venting for my bath vent be? Can I use flexible duct? - Danny Lipford

    What are CFMs? - Danny Lipford

    Broan-NuTone Ventilation Fans Tip - Exhaust Fan Replacement Options - Danny Lipford

    Range Hood & Ventilation Fans Tip - Check Terminations of Ventilation Ducts - Danny Lipford

    Cleaning a Bath Exhaust Fan - Danny Lipford

    Proper Ventilation Equals A Healthy Home - Danny Lipford

    How To Ventilate The Whole House - Danny Lipford

    Selecting Proper Ventilation Fan Size is Easy - Danny Lipford

    Article Links

    Evacuate the Bathroom

    Breathe Easy – What you need to know to ensure proper home ventilation

  • Whole House Mechanical Ventilation Specifier

    Code compliant solutions for one and two family dwellings and townhouses up to three stories

    To better serve you in determining your customers’ whole house mechanical ventilation (otherwise known as continuous ventilation) needs, Broan-NuTone has developed this on-line tool.  With our CodeKey Specifier you can be confident that the products you choose will meet the latest codes and regulations.  Use this tool to make your specification job easier.

    Let’s get started by selecting the state where the dwelling unit will be located. CLICK HERE

  • Bathrooms up to (X) Square Feet45
    Ceiling InstallationYes
    CFM @ 0.10"50
    CFM @ 0.25"49
    cUL ListedYes
    Duct DirectionHorizontal
    Duct Size6"
    ENERGY STAR® certified productYes
    ENERGY STAR® Most Efficient 2018Yes
    Globe ColorN/A
    Grille DiameterN/A
    Grille FinishWhite Polymeric
    Grille Length13"
    Grille Width14"
    Heater WattageN/A
    Housing Dimension LxWxH10-1/2" x 11-3/8" x 7-5/8"
    Housing Height7-5/8"
    Housing Length10-1/2"
    Housing Width11-3/8"
    Humidity SensingNo
    HVI CertifiedYes
    Light Bulb QuantityN/A
    Light Bulb WattageN/A
    Light Bulbs IncludedNo
    Lighting TypeNo Light
    Minimum construction space required2" x 8"
    Motion SensingNo
    Motor engineered for continuous operationNo
    Product Weight (Pounds)9.2
    Project PackNo
    Radiation Damper AvailableYes
    Rated Amps0.1
    Rated Sones<0.3
    Rated Sones - VerticalN/A
    Rated Watts4.9
    Sones 6" to 4" reducer<0.3
    UL Listed for use over bathtubs or showers when connected to a GFCI circuitYes
    Wall InstallationNo
    Warranty3 Years
    Watts @ 0.1"4.9
    Watts @ 0.1" (Max CFM)4.9
    Watts @ 0.25"N/A
  • XN50 is rated 3.5 out of 5 by 6.
    Rated 1 out of 5 by from Quiet but does not move much air Fan is very quiet but does not move 80cfm. I am using 6 inch duct but the mirrors are steamed over and the small room (5ft x 9ft) gets very humid. I used to have the Nutone LS80 (which is discontinued), and the LS80 did a much better job of removing the moist air. Using my old fan I never had steamed mirrors or a humidity problem. Very disappointed with this fan.
    Date published: 2018-04-20
    Rated 5 out of 5 by from Quiet, clean and Energy Star This fan runs very, very quietly for an 80 CFM fan. I bought two; one each for two separate powder rooms. They run all the time when we have guests in the house. The fins and impeller housing are coated with what appears to be Teflon; they've been running for dozens of hours and cleaning each month is a breeze (pardon the pun) -- we just vacuum the grille, and then go outside and vacuum the louver where it vents outdoors. More importantly, the dust doesn't cluster near or around the motor, where it might burn if the motor gets too hot. We have a guest who insists on smoking in the powder room instead of outdoors -- she's old and we just deal with it. This fan deals with most of the smoke and odor straight away. That speaks volumes. I purchased this at a commercial supply house. We found that the Broan and competitors' fans offered at Big Box stores were inferior. Apparently with ventilators you indeed get what you pay for. This model, by the way, may be a bit difficult to retro-fit into an opening for a conventional bath fan without lamps. If doing a remove and replace, be prepared to remove the old fan's entire housing and start from scratch with the vent hose and a rectangular space in-between studs which is convenient to the power supply. The impeller in this fan is humongous and needs the extra room.
    Date published: 2017-11-11
    Rated 5 out of 5 by from No foggy mirrors I like this fan because it is quiet and now we don't have fogged mirrors after a shower, even during the recent sub-zero cold spell.
    Date published: 2015-03-12
    Rated 2 out of 5 by from Undependable This fan shuts off when you need it the most, works great when there isn't any steam. The grill is a pain to install. You will save energy while it doesn't work. If you run it for more than 2 hours it will shut off on it's own, and seems to take forever to come back on, if this is a feature to the product you'll never know it if you shop and read all the info that comes with it. I don't recommend this for a bathroom, it's sensitive to moisture.
    Date published: 2014-06-08
    Rated 5 out of 5 by from Excellent Fan The XN110 fan is an extremely efficient fan that runs so quietly that I can barely hear it. It prevents steamy mirrows and walls. It also looks attractive on the ceiling. I highly recommend it. It is well worth the price.
    Date published: 2014-03-10
    Rated 3 out of 5 by from Great, but not awesome for this price I'm planning to replace 3 fans (50, 80 and 110 CFMs) in the house with quieter options - this 50CFM was the first one as I assumed it would be the easiest one to replace. UNIT DESIGN The unit itself is impressive, the fan speed is controlled by CPU #and an impressive controller board# and it changes the fan RPMs according to the motor load - thus garanting the declared CFMs at the lowest RPMs possible. Great idea. The downside is that if you have 4" duct the fan WILL run faster and WILL be louder. If you plan to use electric dimmer to slow down the fan, it will NOT work, as the controlled board is smarter than the dimmer idea :-) BTW the models XN50, XN80 and XN110 are exactly the same the only difference is the software loaded into the controller board. PACKAGING Seems there is a flaw in the package design that causes bending the fan flap, so my fan arrived with the flap bended, but was easy to fix. INSTALLATION BEFORE I have been replacing the "builder grade" fan with the 60CFM "upgrade kit" installed that is significantly smaller - even with higher CFMs declared - so before ordering check if you have ENOUGH space in the attic or subfloor, to be safe plan for at least 8" - I had a sewage pipe running above the old one so I had to move the new fan to slightly different place. INSTALL PROCEDURE Enlarging the hole and fixing the bracket is relatively easy - if you are installing the fan into your attic make sure you know what insulation is up there and if possible move it away from the old fan before uninstalling it, else you may end up with a mountain of blow-in insulation on your floor. Connecting the duct and wire was not a huge deal, I have 4" duct and had to use the 6" to 4" reducer, used proper grade of duct tape and also a little bit of duct sealant and zip ties - just to be sure...The unfortunate thing is that the unit does NOT come with the required cable clamp and if the one from your old fan is different or unusable you want to get a new one before your install. The opening for the fan is large enough so I was able to reach inside and also installed sound deadening tape on the gypsum panel from the above, just to be sure no vibration will occur. The grill has very tense and short springs, so it needs a LOT OF PATIENCE. I understand that the grill has to be light, but still at this price point I would expect a design that would dampen the sound of airflow a little. HOW SILENT IT IS? I have 4" duct, the fan will be more silent with 6", if possible upgrade the duct to 6". I don't hear any vibration as before and I don't hear the fan motor. What you will hear is the flow of air. WHY 3 STARS? a) I agree with other reviews - it takes ~5 seconds for the fan to start so it may be confusing for the user b) No cable clamp included c) Flaw in the packaging that bends the flap d) Cheap grille that is tricky to install e) No ability to set the max CFMs/RPMs for the unit at this price point - not two speeds, but limit the max CFM for even more silent operation Great work NuTone!
    Date published: 2013-09-29
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  • Dose this model have a indoor out door flap to keep air from coming into the house.

    I have this model and their is cool air coming thru it when it not on? Is this suppose to do this or is their suppose to be a closing flap or door to keep air from coming in when the unit is not on,
    Asked by: yaryght
    It has an indoor flap - check the installation manual, there is a clear picture of how it looks and where it's installed.
    Answered by: JanK
    Date published: 2013-11-30

    Can this unit be connected to a 4&quot; duct? other 110 CFM fan call for 4&quot;.

    Asked by: TLM
    For optimum performance 6&quot; duct is recommended on &ldquo;ULTRA&rdquo; 110 CFM models and 6&quot; or 4&quot; duct for 80 and 50 CFM (these models have a 6&quot; to 4&quot; reducer included in the carton if needed).
    Answered by: NuToneCustomerService
    Date published: 2013-10-23

    Can this be wall mounted, or must it be oriented horizontally, as in a ceiling?

    Doing a retrofit, ceiling isn't an option, we can mount it in a wall with a closet on the other side and build a chase for the ducting.
    Asked by: ben
    Thank you for your question on the model XN50 exhaust fan. The XN50 is designed for installation in flat ceilings or sloped ceilings up to a 12/12 pitch (45 degree angle). It should not be mounted in a wall.
    Answered by: NuToneCustomerService
    Date published: 2015-03-16

    what is the difference between the XN 50, 80 and 100 models?

    Asked by: Yonkers
    Thank you for your question on the model XN50, XN80 and XN100 exhaust fans. The difference between these fans would be the CFM (air movement) and the diameter of the duct work required for each. Please look up the spec sheets on our web site to compare them or contact the Technical Service Department at 888-336-6151 for further assistance.
    Answered by: NuToneCustomerService
    Date published: 2015-01-05

    how long a duct can be used, how to account for elbows and end cap?

    Asked by: markmatt
    Thank you for your question on the model XN110 exhaust fan. Using six inch rigid duct work, the XN110 will handle 90 feet of straight duct work. You would need to reduce that distance by six feet for every elbow.
    Answered by: NuToneCustomerService
    Date published: 2014-01-07
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