Quote:
Originally Posted by GregWeld
What I like about the 8' T12 HO bulbs is the 110 watts.... Watts = heat...
I've got 16 double lamp fixtures --- so that's 32 bulbs cranking out 110 watts each... Which is 3500 watts on 24/7. With the 6" of high density bat for insulation -- and the 5/8" plywood interior walls... I've got more heat than I can use!

|
Might work in Bellevue, Washington, when the lowest temperature only reaches 40 degrees. Not in Indiana! His outside temperature is same as mine.
Oh Yeah! T12HO's are on Department of Energy list to eliminate too, because they use to much energy.
"Effective July 14, 2012 fluorescent lighting must meet 2009 Department Of Energy regulations and minimum initial lumens per watt (LPW) requirements, or can no longer be manufactured. All medium bi-pin 4ft. T12 lamps are eliminated. Standard SP lamps at 2800 lumens don’t meet standards and will no longer be manufactured. Most standard 8’T12 and 8’T12 HO lamps are eliminated except the 60W, 800 series. All T12 2ft. U-bend lamps are eliminated. T8 U-bend standard SP lamps are eliminated. 2012 Phase out of 100 watt incandescent light bulbs 2013 Phase out of 75 watt incandescent light bulbs 2014 Phase out of 40 and 60 watt incandescent light bulbs"
Expect more changes in lighting technology. There is more changes coming for 2014, so expect it change in another few years. I see on the DOE website that their ultimate goal is to move to Solid State Lighting by 2030. SSL lighting is to expensive now.