Bathroom Insulation and Ventilation

By Robert Robillard on Bathrooms

Choosing The Best Exhaust Fan

Choose the quietest, most energy-efficient fan that will accomplish what you need. There are a ton of quality brands like Nutone, Panasonic, Ventech, and Broan.

Most fan labels have Home Ventilating Institute (HVI) ratings so you can compare noise and energy efficiency.

Bathroom Insulation and Ventilation

When looking at the fans consider how much noise they make. Bathroom exhaust fans measure noise in sones. Many bathroom fans come as a 4 to 6 sone fan. Instead, look for a fan that is close to or at a 1.5 sone rating, which is a quiet fan.

Tip: choose a fan with a ball bearing motor for quality and longevity.

Determining Your Rooms Cubic Feet Per Minute [CFM’s]

Before purchasing your fan, you need to make sure it can handle your bathroom needs.  That means you matching the fan CFMs to the size of your bathroom. To do this you need to determine the Cubic Feet Per Minute [CFM] of the room and buy a fan to match that.

Determining the minimum CFM of your bathroom is easy, simply multiply the rooms width x Length x height x 0.13.

Example: [W x L x H x 0.13 – minimum CFM.]

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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