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See what is the monthly expense that your TV set provides

With so many novelties on the market, you decide to change the television set in your living room. Once you've given your old TV a correct destination, don't just rely on the TV's picture and sound qualities. One of the essential factors for not harming the environment is measuring the level of energy that the device consumes.

Today there are four standards being sold in Brazilian appliance stores: tube models (CRT), LCD, plasma TVs and LED LCD. The team eCycle carried out a consumer test with each type of TV to find out which is the most economical. In order to avoid complicated calculations, we stipulated that for each tested model there was a cost of five hours per day, with an average rate of R$ 0.40 per KWh (this rate can be changed depending on the region in which you are located).

The more traditional alternative is tube televisions, which have technology existing since the 1950s of the last century. However, contrary to what everyone thinks, this type of television does not provide much waste. The 14” models represent an expense of R$ 2.40 to R$ 4.20 in the end-of-month bill, as they consume around 40 to 70 watts of power. The 20 or 21” devices, on the other hand, make their expenses increase from R$ 2.52 to R$ 6.00 per month, consuming from 42 to 100 watts. The 29” models are the ones that consume the most (from 80 to 100 watts per month), representing around R$ 4.80 to R$ 6.60 in the energy bill.

With LCD TVs, electricity consumption decreases due to technological advancement. However, as the screens are larger compared to CRT models, the expense can also increase. The 22” models consume from 38 to 75 watts (increase of R$ 2.28 to R$ 4.50 in monthly expenses). The 32” TV, on the other hand, has consumed between 110 and 160 watts, representing between R$ 6.60 and R$ 9.60 more per month. With 10” more, 42” televisions represent a greater waste of energy, ranging from 200 to 250 watts, with an increase of R$12.00 to R$15.00 at the end of the month.

Moving on to plasma televisions, the image quality is indisputable, but so is the expense, since such models do not have alternatives with small screens. 42” TVs use 240 to 320 watts of power, adding up to R$14.40 to R$19.20 of electricity in a month. On 50” plasma televisions, consumption in watts varies from 330 to 584, generating a monthly expense of R$19.80 to R$35.04.

LED: the ecological alternative

The most ecologically proven models are the LED LCD. They have a technology similar to the original LCD, but do not require backlighting, replacing it with LED lamps. The difference is felt in the pocket and in the conscience. The 32” models consume only 95 watts, an expense of R$ 5.90 per month. The 55” appliances use 195 to 260 watts, with an increase in the electricity bill between R$11.70 and R$15.60.

In short, the most recommendable standard in terms of reducing energy costs is the last one, ie the LED television. However, as it is a recent technology, prices are quite high.

Once you have made your choice, remember to pay attention to reverse logistics. Give preference to brands that accept the return of the device for reuse or recycling. Despite technological advances, all models contain chemical substances that can harm the environment.