With energy-consuming equipment, such as water heaters and refrigerators, we have good data on energy consumption and can set clear standards accordingly. In some product categories—clothes washers, for example—Energy Star standards were adopted because those standards provide a high enough threshold to represent just the very top segment of the product market (less than 10%). In other product categories—e.g., refrigerators and dishwashers—we set a higher threshold than ENERGY STAR: for example, exceeding those standards by 10% or 20%. With lighting and lighting control equipment, certain generic products qualify, such as compact fluorescent lamps and occupancy/daylighting controls, while in other categories only a subset of products qualify. In some cases, products that meet the energy efficiency requirements are excluded, because of evidence of poor performance or durability. Microturbines are included here because of the potential for cogeneration (combined heat and power) that they offer.
Aero Pure Bathroom Fans
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Once we’ve considered low-emitting products and those that prevent moisture problems, we also consider green ventilation products, filters, radon mitigation equipment, and other equipment and devices that help to remove pollutants or introduce fresh air. Because ventilation equipment is standard, we only recognize products that are particularly efficient or quiet or which have other benefits, such as heat recovery.
Aero Pure offers the Super Quiet line of Energy Star-rated fans whose 110 CFM models operate at only 0.7 sone. These fans are UL-certified for use over tubs and showers when used with a GFCI circuit. These fans connect to four-inch ducts; contain built-in backdraft dampers; and have a 9-1/2” square housing with a 11-5/6” grille (several different grill option are available).
In today's tightly sealed buildings, unless there's a central ventilation system, in-line utility fans or bathroom spot ventilators may be the only mechanical ventilation system. These fans need to be quiet to ensure they are used. A bathroom fan's noise level is measured in “sones,” with one sone being about as loud as a residential refrigerator. In-line utility fans installed remotely down ductwork are often used for bathroom, kitchen, and general ventilation and much quieter than most bathroom fans and are not tested for noise by Energy Star and the Home Ventilating Institute (HVI). Since a fan may run continuously throughout the day when used as primary ventilation, it also needs to be energy efficient.
The energy efficiency, or efficacy, of ventilation fans is measured in cubic feet per minute (CFM) of air moved per watts of energy consumed. Products listed here are certified by Energy Star and HVI to have an efficacy of 4 or greater and, in the case of bathroom fans, generate no more than 1.0 sone.
Certifications
- Energy Star - Fans, Ventilating
LEED Credits
Ratings and Commentary
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