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[quote user="jrbernier"] <ul><li>Will 3 of the 23 watt flourescent 'bulbs' on a 4' track provide the same illumination as the two 40 watt tubes in the old setup?</li><li>How much 'heat' will these new bulbs give off, and will the cans handle it? </li></ul><p>[/quote]</p><p>According to the chart below:</p><p>3 23 watt CFLs would equal 225 watt incandescent</p><p>2 40 watt flourescent tubes would equal about 300 watt incandescent.</p><p>So, no the light would probably not be the same. The tubes also provide a wide source of light while the CFLs are more "spotty." However you can add additional cans if you wish. </p><p> </p><ul><li>20 watts incandescent = 5 watts compact fluorescent </li><li>28 watts incandescent = 7 watts compact fluorescent </li><li>36 watts incandescent = 9 watts compact fluorescent </li><li>40 watts incandescent = 10 watts compact fluorescent </li><li>52 watts incandescent = 13 watts compact fluorescent </li><li>60 watts incandescent = 15 watts compact fluorescent </li><li>75 watts incandescent = 20 watts compact fluorescent </li><li>100 watts incandescent = 26-29 watts compact fluorescent </li><li>150 watts incandescent = 38-42 watts compact fluorescent </li><li>250-300 watts incandescent = 55 watts compact fluorescent </li></ul><p>Heat from a CFL is almost nil so heat would never be a problem for using CFLs in a fixture designed to handle the heat from an incandescent light.</p><p>More info here:</p><p><a href="http://www.gelighting.com/na/business_lighting/faqs/cfl.htm#10">http://www.gelighting.com/na/business_lighting/faqs/cfl.htm#10</a></p><p><a href="http://en.wikipedia.org/wiki/Compact_fluorescent_lamp">http://en.wikipedia.org/wiki/Compact_fluorescent_lamp</a></p><p>If you are planning to put up a valance then CFLs can work well behind a valance but if you are still planning to have an flat ceiling then tubes are very much more efficient and cheaper.</p><p>-John</p><p> </p><p> </p><p> </p>
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