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Yeah, a traditional incandescent bulb used about 7% of the energy to produce light, and 93% to produce heat. In a closed system (like a room), with a radiator equipped with a thermostat and a incandescent light bulb, you'll basically have the same need for added heating, regardless of the need for light. So while the light is off, the room is kept at a certain temperature thanks to the radiator. When the light is on, the radiator will still keep the temperature the same, but because the light bulb is adding heat to the room, the radiator won't need to use as much energy to conserve the temperature. So basically, if you have a 60W lamp and a 400W radiator in the room, and lets say that the radiator needs to be on 50% of the time while the light is off, it will only need to be on about 35% of the time when the light is on, if the room is to be kept the same temperature, because the lamp is picking up the slack.

*Edit* The calculations are only theoretical guestimations, but they're in the ballpark of reality.
 
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CC, but it's the way it works. Of course, in a warmer climate the point is mute, there you'll save loads of energy by using LED:s. Oz can probably attest to the practical difference of LED versus incandescent in the Philippines. But in colder climates their effect is greatly diminished.
 
CC I'm glad to see you're safe.

I like my incandesant lights. I like the warm color light they give and in NW Ohio we don't has to much issue with added heat fo residential. I do like the crisp light given by halogen for some things. LEDs are finally getting to where they give a warmer light now too. But I've bought LEDs paid $20 and had them fail in a few months. I'm waiting for the improved light and performance and better prices before I invest in any more.
 
Thanks. Me too. Fires are still smoldering down the street from me.

LED are still pricey but coming down. Some of those at Lowe's have been marked down 50%. As I use up all my CFLs, I'm going to LED. Especially where I need tall ladders to get to them. I've found that CFLs are vulnerable to heat and if a fixture isn't vented well, they don't last long. Years ago, I replaced almost all my lights with CFLs but I have some ceiling fixtures with up to 3 lamps and even with the lower voltage, they generated enough heat that they didn't last much longer than incandescent.

I was an industrial electrician and when our plant underwent a major retooling, all of our control equipment went from 110 VAC to 24 volt DC. All our control panels had LED indicator lights. They were about $25 each and there were 10s of thousands of them. They went that route because they were told they last forever. Within weeks they started failing. No one believed me. It took me almost 2 years to get the supplier to admit that they had a bad production run but finally they replaced them all. But that was 2 years I had to work without indicator lights and had to go online with the machines every time I had to troubleshoot anything.
 
My wife said gunshots kept her up last night. I slept right through. My son was going to spend the night at his girlfriends but came home when he got an erroneous report on social media that the Ferguson Police station was under siege.
They just interviewed a woman who lost her cake shop last night. She had spent years selling cakes at flea markets to make enough money to open her business sinking every dime into it. She has cakes that are supposed to be delivered by Thanksgiving so she has to quickly buy more supplies and make other arrangements to bake them. The story is the same all around.

Here's a map of the north county area.
The black arrow is where my house is located.
The red arrows are the places where most of the burning and looting took place. The area along the red line at the bottom red arrow is pretty well destroyed.
The brown arrow and blue line is where there have been huge protests since August at the Ferguson Police station.
The blue arrow is where the law enforcement command center has been set up.



Not on the map are Clayton (county seat and location of the justice center) and the Shaw neighborhood in St. Louis where huge protests were and are ongoing. They were mostly peaceful but teargas was used in Shaw where over 1,000 people closed interstate 44 and Grand avenue.

Why in God's name would they release the grand jury verdict at 9:15 at night. If they had waited till 6 or 8 this morning, it could have been much different.
 
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I realize that people get emotional and passionate about certain things. What I don't understand is the destruction of their own neighborhood to make a point. Especially when those in the neighborhood getting destroyed have nothing to do with the original events or decisions in the first place.
 
I couldn't agree more. It isn't helping.

ETA
If you look at the crawl at the bottom of the screen on local news you would think we were having a blizzard because of all the school closings.
 
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