interior design: everything in a new light
This is not a promising start.
The bulb is a 38-bar spotlight for recessed ceiling fixtures.
The color of light is silver metal-
The cold winter makes the room feel cold.
The last key is price. $125.
Things have changed a lot since then.
As the LED manufacturer improves the efficiency of the bulb, for a given wattage and bulb type, the required quantity is less and the price drops sharply. (
At Home Depot, Lao and Wal-Mart
For example, Wal-Mart\'s 90-watt price today
The equivalent of the 38-shot spotlight is $20 to $30.
75 to 85% less than I tried in 2007).
At the same time, the quality of light produced by today\'s LEDs has been greatly improved.
In my most recent annual home test, I found that lamps in most bulb categories can be very close to incandescent lamps and halogen lamps that LEDs are designed to replace
This difference will only be noticed by lighting experts.
In addition, the bulb is very long-lasting —
If you use only three hours a day for more than 22 years, in most of the United States, each bulb is used on average every day. S. households —
Some manufacturers have incorporated LED into the fixture itself.
You will get a new fixture when the lights finally come out.
I installed a GE flush as part of my home test-
Ceiling fixtures were installed in my laundry room.
Not only does it look like 50-year-
It replaced the old fixture and it seems to produce more light than 75-
The Watt equivalent compact fluorescence I \'ve been using, although the new fixture actually produces less light.
If you haven\'t purchased the first LED bulb yet, the best starting point is A19-and A21-
Size bulb replacement 40-, 60-, 75-and 100-
Watt incandescent lamps no longer produced.
With the LED of a major brand, transformation should be easy.
When I compare GE, Philips, Corey, and Sylvania\'s latest generation of energy stars --
I have hoarded several incandescent lamp A19 and A21 bulbs for my home Test and I found that the light generated by the LEDs is very close to the old onesstyle bulbs. GE\'s A19 60-
When Energy Star-
Rated LED and its 60-
Watt incandescent lamps are difficult to distinguish.
The second LED bulb in size A19 and A21 does not exist in incandescent lamps, called \"daylight \".
\"The light produced by these LEDs is blue --
White, similar to daylight, hence the name.
Pam Price, retail marketing manager at Sylvania, said fluorescent lamps are more popular in some parts of the United States than in others, especially in the Midwest, where there is a long gray winter.
Daylight bulbs are also popular with old buyers because of their blue color
Mike Watson, vice president of product strategy at Cree, added that white light enhances contrast and makes reading easier.
To test this myself, I try to read several types of publications under A19 60-
Energy Star daylight bulb.
The light does enhance the contrast when I read the newspaper.
When I started testing other types of LED bulbs at home, the transition from halogen or incandescent lights was not as seamless as I expected.
There are other variables to consider for other LED categories, and in some cases the problem is not the LED, but the special case in my house, such as ceiling height.
Before you start testing other types of LED, you need to be familiar with both LED basics :-
Lumen number: indicates the brightness of the bulb.
Using the A19 and A21 LED bulbs, the lumen numbers for each wattage equivalent of all manufacturers are almost the same. The A19 60-
Watt equivalent LED with 800 lumens, A19 or A21 75-
There are 1100 lumens in watt equivalent, A21 100-
There are 1600 lumens in watt equivalent.
But in other bulb categories, the number of lumens for different brands may vary.
When the difference between lumens is small (5 to 15%)
You won\'t notice.
But if there\'s a big difference in lumens
It can be 50%-
You will notice it.
Lumen numbers always appear on the front of the package in large print form. -
Kelvin temperature: the Kelvin temperature scale measures the color temperature of the light.
For incandescent and halogen lamps, Kelvin temperature is never a problem because each bulb type is the same --
All incandescent lamps are 2700 K and all halogen lamps are 3000 K.
Unlike these bulbs, the Kelvin temperature of the LEDs can be 3500 K and 5000 K.
What is even more confusing for consumers is that the Kelvin temperature can be at 2700 K (
It looks yellow, imitating incandescent lamps)to 3000K (
Imitate halogen color, whiter)or 5000K (
These differences are very obvious, and even with the same amount of lumens, higher temperatures seem to be brighter.
Kelvin temperature is usually on the front of the package;
You can always find it in the lighting facts box on the back.
While LEDs are now available for most residential lighting, I focus on bulbs designed for one of the most widely used devices --
Embedded ceiling fixtures, rail lights, bathroom with lights and chandeliers.
For recessed ceiling fixtures, often referred to as \"ceiling cans\", as they look like coffee cans pushed to the ceiling, there are two LED options: \"Flood\" and \"attractions\" that provide general lighting throughout the space may inject some drama as they only illuminate the area directly below the fixture, the light in the center of the lighting area is much brighter than the light on the edge.
Because there are many choices here.
I tested 9 floods and 8 locations
For most people, the question could be \"Which one is right for me ? \"?
\"For LED versions or experiments, you can simply turn off what you are using now.
In the flood light category, the main difference between the BR30 led I tested and the BR40 LED is the amount of light produced.
The BR40 LEDs are 1100 lumens, about 40 to 70% brighter than the BR30 LEDs. In a two-
They will \"wash\" the story space of the walls, ceilings and floors.
But for a living room with eight kids like me
The ceiling of the Br40 is too bright;
BR30s is a better choice for background lighting.
However, there are still further improvements in this sub-category.
All four brands of the BR30 I tested provide a daylight version of 5000 (
The light is too blue and too ethereal for me)
Sylvania\'s BR30 is 10 to 25% lumens more than the other BR30, which makes the room brighter and GE\'s BR30 Reveal has special filters that make the color look more vibrant.
There is also a variable to consider using the Par 38 LED spotlight-
The size of the lighting area below the bulb depends on the beam angle of the light.
When the beam angle is 40-
In the degree range, the lighting area is larger.
When the beam angle is 25-
In the degree range, the lighting area is small, but the light is more concentrated and the effect is more significant. With an eight-
About six feet, ceiling and recessed cans-
A few feet apart, I found that there are fewer LEDs for Par 38 in GE and Sylvania (950 and 1050)
The corners work best because they provide ambient lighting and task lighting.
The bright central area can accommodate reading when the sofa is placed directly under the ceiling tank, so I don\'t need a desk lamp.
But if I put the 38-bar LEDs in two
Story space, I will choose 25-
Degree angle multi-lumen (1500)
Maximize the amount of light reaching the ground.
Because all the light from the Par 38 bulb is focused downwards, the walls and ceiling will not be lit at night, but this can make the bulk space feel smaller and more intimate.
On the floor, the light is not bright enough to read, so you need to add some desk lamps.
The Par 20 LED spotlight I tested was mounted on the track light fixture.
These bulbs are most commonly used to illuminate artwork.
For the three brands GE, Sylvania and Philips I tested, the color temperature range (2800 to 3500)
Beam angle (
20 to 40 degrees)
Many options are offered.
In my stairwell, Philips 20, 25
African sculptures at 3000 degrees are very popular and I have shown them there.
For stairs, the Par20 of GE is soft 2700 K, 25-
The angle LED is perfect.
Sylvania\'s Par 20 3000 K 40-
For this position and the Par 20 3500 K 25 of Sylvania, the angle of the beam is too wide.
The angle is too bright.
For the Hollywood striped lighting above my bathroom mirror, I tried the \"decor\" G25-of GE and Sylvania-size, globe-shaped LEDs.
The 2700 K version of GE has 350 lumens, providing almost the same soft and even light as the incandescent lamp I used before.
The version of Sylvania is brighter, with 440 lumens and 3000 Kelvin temperatures higher.
For a master bathroom with two spouses, using the sink while preparing for the working day, Sylvania\'s brighter bulb may be better, especially in terms of makeup.
For a dressing room in a guest room, I found GE\'s light softer and more enjoyable.
Switching to LEDs for your chandelier will be easy.
I tried GE and Philips 2700 K B13 candles with a small candle holder screw base.
Both provide soft light and create a good atmosphere for dining. -
Cree, $8, Home Depot-Cree $8 (daylight), Home Depot-
GE Energy Star, $11, WalmartMart-
Sylvania, $ decree, Lowe\'s
Walmart\'s $21 GE Energy StarMart-
Sylvania, $ Month, Lowe\'s
The GE ceiling is flat-
Mounting fixture, $30, Walmart-Mart-
Home, $20, Home Depot-
Kerry daylight, $21, Home Depot-
GE, $20, Home Depot-
GE Reveal, $18, Home Depot-
Philips, $17, Home Depot-
Philips slim style, $15, Home Depot-
Sylvania, will take the $, Lowe\'sGE, $22, Wal-Mart-
$23. Cree 27-
Home Depot, $25, beam angle-Cree 47-
Home Depot, $25, beam angle-
GE 950 lumens 35-
Angle, $27, Wal-Mart-
Philips \"crisp white\" 900 lumens 25-
Amazon, $43. com-
Philips \"bright white\" 1050 lumens 25-
Home Depot-beam corner, $21
Sylvania 1050 lumens 40-
Led bulb, angle $34. com-
Sylvania 1300 lumens 40-
Amazon\'s $38 angle. com-GE 20-
Home Depot-beam corner, $18Philips 25-
Home Depot, $23, beam angle-Sylvania 25-
$40, Peace Light, beam angle. com-Sylvania 40-
Beam angle, $51, Peace Light. com-
Home Depot-GE, $12GE, $11, Wal-Mart-