Muaj peb yam tseem ceeb ntawm eco-phooj ywg qhov muag teev muaj nyob rau hauv kev ua lag luam: halogen incandescent, LED thiab CFL.
Halogen incandescent teeb siv tsawg zog, tab sis lawv tseem tsis muaj zog npaum li LED thiab CFL. Txhawm rau muab tso rau hauv qhov kev xav, tsim kom muaj qhov ci zoo ib yam li 60W incandescent teeb, koj xav tau 42W rau halogen incandescent teeb, 15W rau CFL thiab 12W rau LED.
Thaum nws los txog rau lub neej, halogen incandescent teeb muaj qhov zoo ib yam li cov teeb pom kev zoo. CFL tuaj yeem nyob txog 10 xyoo thaum LED tuaj yeem mus txog 25 xyoo ntawm kev siv.
