Model # 784

Internet #202828259

Store SO SKU #148633

Broan 80 CFM Ceiling Exhaust Bath Fan, ENERGY STAR*

Discontinued Broan

80 CFM Ceiling Exhaust Bath Fan, ENERGY STAR*

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Product Overview

Quiet, Energy Star performance in a more compact package. Energy efficiency is more important than ever and now it fits in more places than ever. Broan delivers smart designs for easy installation, classic lines that complement any decor and the performance levels you need.

  • 80 CFM, 2.0 sones, UL listed, HVI-2100 certified
  • Energy star qualified
  • U.L. listed for use over bathtubs and showers when connected to GFCI protected branch circuit
  • Plug-in, permanently lubricated motor designed for continuous operation
  • Torsion spring grille mounting no tools required
  • Made in USA
  • 4 in. duct

Info & Guides

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Name InVent Series 80 CFM Ceiling Bathroom Exhaust Fan 80 CFM Ceiling Exhaust Bath Fan, ENERGY STAR* InVent Series Heavy Duty 80 CFM Ceiling Exhaust Bath Fan with Metal Grille InVent Series 110 CFM Ceiling Exhaust Bath Fan, ENERGY STAR
Brand NuTone Broan NuTone NuTone
Ratings (19) (3) (27) (65)
Ceiling or Wall Installation Ceiling
Housing Length (in.) 9.25 8 9.25 9.25
Maximum Room Size (sq. ft.) 75 70 75 100
Housing Width (in.) 10 8.25 10 10
Fan Sound Level (Sones) 2.0 2.0 2.0 1.0
Features No Additional Features No Additional Features No Additional Features No Additional Features
Air Volume (CFM) 80 80 80 110
View Product View Product View Product View Product



Housing Length (in.)
Housing Width (in.)
Maximum Room Size (sq. ft.)
Product Height (in.)
Product Length (in.)
Product Width (in.)


Air Volume (CFM)
Ceiling or Wall Installation
Color Family
Duct Compatible Sizes
4 in
Fan Sound Level (Sones)
No Additional Features
Housing Material
Galvanized Steel
Installation Type
Mount Type
Mounting Style
Product Weight (lb.)

Warranty / Certifications

Certifications and Listings
1-UL Listed,HVI Certified
Manufacturer Warranty
Limited 1 year

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Customer Questions & Answers

replacinf broan ceiling fan 668

You do not stock the model 668. What Broan models can swap out for it?
Asked by: Anonymous
Hi, Marty. Thanks for your question. The Broan model 668 has been out of the line for some time. The 'suggested' replacement is model 688. However, there are differences. The model you currently have only uses a 3" duct, and the housing is larger. I would recommend that you review the 688 on the following web site:, and then review the model 696N on to see what would best suit your installation needs. If you have further questions and would like to speak with a Technical Support person, please dial 888-336-6151. Thanks, again.
Answered by: NuToneCustomerSupport
Date published: 2015-09-17
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Customer Reviews

80 CFM Ceiling Exhaust Bath Fan, ENERGY STAR* is rated 2.3 out of 5 by 3.
Rated 1 out of 5 by from Bad Exhaust This fan requires a straight 4 inch duct or it will not fully exhaust the air and will return some air back into the room. Slight bends don't work either, if you duct is not going straight then consider another product. I have this fan connected directly to a 4 inch and a 3 inch duct and did not use the adapter and it still does not fully exhaust. I think the exhaust port on the fan box is too small or this product can't handle any head pressure.
Date published: 2015-03-01
Rated 2 out of 5 by from a disappointment I found the build quality to be poor with thin sheet metal and thin plastic cover. I purchased this unit to replace an older Broan fan that died. The frame and housing and the plastic cover are much more substantial on the old one. About the only positive thing I can say for this one is that it is reasonably quiet in operation.
Date published: 2015-03-25
Rated 4 out of 5 by from As advertised installation was quite easy and the fan is very quiet.
Date published: 2014-10-07
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