CFL's not creating enough heat

I just recently switched from a regular house bulb to 4 CFL's, and the house bulb use to keep the plants warm, but now that i switched, im scared there too cold, wat can i do to fix this problem

 
@cowasaki i havnt got a thermostat joint yet, but im up north so its cold, but my house is at about 70f rite now, and @anonymuss, wats too close? cuz i mite move them super close if i can lol
 
@greennight i got silver gift wrap from the dollar store lol wat kind of refelctors do you have, also i have daylight cfl's so maybe its different
 
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