Easy FREE Home Heat!!


30 Responses to “Easy FREE Home Heat!!”

  1. There are so many technical issues with this I will not take the time to delve into them. A good effort, to be sure, but there is obviously a lack of understanding of the basics behind it - engineering, thermo, etc. To give an example….xx kilowatts per hour? That makes no sense. A watt is a measure of energy over time, so Kilowatts per hour is Joules per second per hour.

  2. In reality glass lets the sunlight in but not radiation out. That’s how green houses work. Problem is when it gets cold. The thing with this device is that it will not do much change if you replace a window by it. The best would be to put it on a roof. Also the medium is not the best for heat transfers. A liquid such as water will store much more heat than air. Then a pump might be needed to transport the liquid. The convection might still be too large.

    Good thought but wrong…

  3. Better just paint your windows black. (just kidding) Only paint half of your window, that way you can still look out.
    :)

  4. The “Watt” is a measure of energy only - Watts = Volts X Amps.

    A 100 watt bulb consumes 100 watts. If you allow this bulb to burn for 1 hour, it will have consumed 100 watt-hours. If you allow it to burn for 10 hours, it will consume 1 kilowatt-hour

    Look at your electrical bill: you are billed by kilowatt hours.

    Now, this design does have merit, however he defeats the purpose of it by placing the entire unit inside the glass of the room. the plexiglass serves no purpose in his final design: the glass window serves to pass the energy into the house while keeping the cold air out. Painting the inside of the room black would do far more to increase room temperature than this device.

    Now, mounting a similar device on an exterior wall with ports through the wall would offer significant advantages. Unlike a window, this solar heater can be isolated. At night, the cold window transfers heat back out of the room. Closing the vents isolates the device so the heat is retained in the room.

  5. Slight correction. The watt is a measure of energy per time…a rate.

    Watt = 1 joule / second

    So a 100 watt bulb consumes
    100 * 1 watt = 100 joules / second (joule is energy)

    A kilowatt is 1000 watts. A kilowatt hour is the amount of energy used in one hour at a rate of kilowatts or thousands of joules per second.

    1 kw hour = 1000 joules / second * 1 hour
    1 kw hour = 1000 joules / second * 3600 sec.
    =3,600,000 joules of energy.

    Energy per time, multiplied by amount of time gives total energy consumed.

    please see: http://en.wikipedia.org/wiki/Watt

  6. To say this is the same as any window is not true. If the area of sunlight falling through a normal window was painted black then you would get sufficient absorption and conversion to heat. Otherwise in any normal window the solar radiation simply relects back out of the window.

    To think of the effect at its extreme, imagine a glass sphere with nothing in it. the sunlight would pass right through without any heat increase inside (in the real world there is an increase as the glass absorbs some radiation). if you place something that absorbs the solar radiation and re radiates it at a different wave length then you get a heat increase.

    Still not believing me? well look at any parking lot on a sunny day. See all those reflectors placed inside the windshield? Think, why do they work?

  7. How is this free? Are pennies free? Do they just fall from the sky?
    Yeah sure you may argue about watts and joules, but what about the FREE part?

  8. i just wanna know…does it work, because if it does, im gonna go make one

    and if it does work, does it make that big of a difference…thirty dollars a month for the whole winter season up in the mountains can add up to a lot in savings

    especially for a broke college kid like me

  9. Pennies are not made from copper anymore.

  10. Now, put about 100 sq. ft. of these on your roof-top where the sun shines and you can heat your whole damn house for nothing when the sun shines. Some folks run Anti-freeze from an insulated tank in the cellar through them and use the stored heat at night or as they need it! All these methods and more work very well depending mostly on the degree of sophistication used when building them. Books on this are available at your local library for free! Just look for Solar heating, active and passive solar heating and the like! Love it!

  11. I’m a total greenhorn when it comes to this sort of stuff. I really don’t know enough yet, but I do want to learn more.

    ….If a person did use the rig inside their house, I wonder if the adhesive, paint and/or plastic might release fumes/chemicals into the air when heated up to or above a certain temperature?

    I’ve developed some chemical sensitivities in recent years, so maybe I’m a little more concerned about this than I need to be. I don’t know. It’s just that, as much as I’d like help w/ the cost of heat, I don’t want make something that might put more chemicals/smells into the air of my house than there are already. Kwim?

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