Panasonic
TC-L42D30

This is a 42-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 15.4

Annual Energy Use (kWh): 91

Lifetime energy savings vs. average Energy Star product: 381 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $31-$69

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 15.4

Panasonic
TC-L37E3

This is a 37-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 15

Annual Energy Use (kWh): 73

Lifetime energy savings vs. average Energy Star product: 343 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $27-$62

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 14.9

LG
42LV3700

This is a 42-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 14.2

Annual Energy Use (kWh): 97

Lifetime energy savings vs. average Energy Star product: 319 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $26-$57

Panasonic
TC-L42E30

This is a 42-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 14

Annual Energy Use (kWh): 100

Lifetime energy savings vs. average Energy Star product: 290 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $23-$52

Haier
LE42B1380

This is a 42-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 13.9

Annual Energy Use (kWh): 102

Lifetime energy savings vs. average Energy Star product: 268 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $21-$48

Curtis
LED4250A

This is a 42-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 13.9

Annual Energy Use (kWh): 102

Lifetime energy savings vs. average Energy Star product: 268 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $21-$48

Sharp
LC-40LE835U

This is a 40-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 12.9

Annual Energy Use (kWh): 98

Lifetime energy savings vs. average Energy Star product: 233 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $19-$42

Samsung
UN32D4000ND

This is a 32-inch LCD TV with 1366x768 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 12.0

Annual Energy Use (kWh): 66

Lifetime energy savings vs. average Energy Star product: 198 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $16-$36

LG
37LV3500

This is a 37-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 11.7

Annual Energy Use (kWh): 92

Lifetime energy savings vs. average Energy Star product: 149 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $12 to $27

Samsung
UN32D5500RF

This is a 32-inch LCD TV with 1920x1080 screen resolution

The most energy-efficient models, ranked by watts of electricity used for every square inch of screen illuminated: 11.6

Annual Energy Use (kWh): 68

Lifetime energy savings vs. average Energy Star product: 182 kilowatt hours

Lifetime cost savings vs. average Energy Star product: $15 to $33