When you leave a fan on in an empty room, it would be smart to turn it off to conserve energy. This is because fans don't cool down rooms, but they cool people from the breeze it generates.
In order to properly efficently utlilize your ceiling fan in tandum with your air conditioner for energy savings. Only use your fan when the air conditioner is either off or when the cooling is turned down ten or more degrees. Using both at the same time won't save energy but will use more energy.
In the winter when you use your furnace, the hot air will rise to the ceiling, while the cold air will settle toward the floor. Reversing to fan's direction will make it pull air instead of push it. This effect will circulate the warmer air in the room down the walls and to the floor, keeping the room temperature at a more steady level. It will also put less strain on your furnace as well.
To further save energy make sure your fan is efficient. Energy Star has a minimum airflow standard of 1,250 CFM* and 155 CFM/W** at low setting and 5,000 CFM and 75 CFM/W at the fan's high setting.
*Cubic Feet per Minute
**CFM per Watt
Cree Recalls LED T8 Lamps Due to Burn Hazard
Units
About 700,000 in the U.S. (an additional 11,500 were sold in Canada)
Description
This recall involves Cree LED T8 lamps used indoors to replace traditional two pin T8 fluorescent tubes. The white lamps have a cylindrical shape and measure 48 inches long. The affected units are marked as “BT848 Series Lamp” with the product part number on the lamp itself or printed on a white label affixed to the lamp. A four digit date code is printed on the lamp under a statement that reads “Compatible with Instant Start, Rapid Start and Dimmable Electronic Ballasts.” Product numbers and UPC codes printed on the product packaging included in the recall are listed below:
CONSUMER Product Number | Description | UPC |
BT848-17027FLW-BDG13-1C100 | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 2700K – US | 849665002932 |
BT848-17040FLW-BDG13-1C100 | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 4000K – US | 849665002154 |
COMMERCIAL Product Number | Description |
LEDT8P-48-21L-35K | Linear LED T8 Replacement Lamp, 4 Ft, 2100 Lm, 3500K |
LEDT8P-48-21L-40K | Linear LED T8 Replacement Lamp, 4 Ft, 2100 Lm, 4000K |
LEDT8P-48-17L-35K | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 3500K |
LEDT8P-48-17L-40K | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 4000K |
LEDT8P-48-17L-30K | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 3000K |
LEDT8P-48-17L-50K | Linear LED T8 Replacement Lamp, 4 Ft, 1700 Lm, 5000K |
Incidents/Injuries
Cree has received four reports of the lamps overheating and melting. No injuries have been reported.
Remedy
Consumers should immediately stop using, disconnect or switch off the fixture, remove the recalled T8 LED lamp, put it in a safe place and contact the firm to receive a full refund or replacement lamp.
Sold at
Sold at The Home Depot®nationwide and to commercial lighting customers through electrical distributors from August 2014 through April 2015 for about $22 per tube.
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