How long does a TV last? Lifespan in years and how to extend it

"How long will a set like this last?" Many people ask this before choosing a television. The answer depends a little on the technology, but mostly on the power supply, the software and a few everyday habits.

How long does a TV last on average?

A TV lasts eight to ten years on average with normal use of three to five hours a day, and many sets last longer. For the panels, manufacturers quote 50,000 to 100,000 operating hours, measured until brightness has dropped by half. On paper, at five hours a day, that would be more than 25 years. In practice a TV's life ends sooner, because the power supply, backlight or ports fail, or because the manufacturer stops delivering updates and the apps no longer run.

How long does an LED TV last?

A classic LED TV, meaning an LCD panel with LED backlighting, usually lasts eight to ten years. The LEDs lose strength over time. This shows up as darker corners, bright spots or an unevenly lit picture. QLED sets are technically LED TVs too and age the same way.

How long does a Mini-LED TV last?

About as long as an LED TV, so usually eight to ten years. Mini-LED sets spread the light across thousands of small LEDs in many zones, so each one has to work less hard. Burn-in does not occur with this technology. For households where a news channel runs for hours, Mini-LED is therefore the carefree choice.

How long does an OLED TV last?

With normal use, an OLED TV also lasts eight to ten years, and current panels are much more robust than the first generations. The pixels emit their own light and age with the brightness they deliver. If a logo or news ticker sits in the same place for hours every day, a shadow can remain. That is why current sets shift the picture minimally, dim fixed elements and run maintenance programmes at night.

Important: leave the TV connected to the mains and switch it off with the remote, not at the power strip. Otherwise the maintenance programmes never run.

How can you tell if your TV is dying?

Typical signs are dark patches or uneven edges, flickering, lines across the picture, a set that restarts on its own or only switches on after several attempts, and apps that no longer start. Not every sign means the end. A faulty HDMI port or a weak power supply can often be repaired, and a factory reset sometimes fixes software faults.

Brightness

Full brightness for years shortens the life of any technology. The ambient light sensor turns it down automatically in the evening. That spares eyes, panel and electricity bill.

Updates

Manufacturers supply updates for premium sets for several years, fixing bugs and keeping apps current. Enable automatic updates. If a television drops out of support after five or six years, a streaming box turns it back into a current device.

Cleaning

Only a dry or slightly damp microfibre cloth, without pressure, without glass cleaner, without alcohol. The surface of modern panels is anti-reflective and delicate, and cleaners leave streaks that never go away. The remote control also appreciates a cloth once a month.

Power: reading the label

Since 2021 the new energy label runs from A to G, and almost all large televisions land in E, F or G. That is not an alarm signal but the stricter yardstick. What matters is the consumption in kilowatt-hours per 1,000 hours printed on the label. A 65-inch OLED uses roughly 100 to 150 watts in normal viewing, more in HDR, and a Mini-LED set of the same size at full brightness about the same. At four hours a day that adds up to around 150 to 220 kilowatt-hours a year, about as much as a modern refrigerator. Eco mode saves a third, often at the picture's expense. The light sensor is the better choice.

Standby

Current sets use less than half a watt in standby. Functions such as "quick start" or a voice assistant in standby raise that to several watts. Switch them off if you do not use them.

Warranty and repair

In Switzerland the statutory warranty is two years, and manufacturers and retailers sometimes extend it. With panel damage a repair is usually not worthwhile. Power supplies, ports and software, on the other hand, can be fixed. We help you assess it before a set is thrown away.

The rule of thumb

Sensor on, power strip out, updates automatic, cloth instead of cleaner. That way a good television lasts until you replace it out of appetite for something new, not out of necessity.

More on this: TV advice at home and TV setup and calibration.