How cold is too cold for TV?

Most LCD and LED sets are rated for storage in temps as low as -4°F. Always refer to your television's manual for actual safe-temperature ranges. If your cabin gets colder than this in the winter, you may want to consider erring on the side of caution.

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read your manual , it says what temperature it works at . look in the manual under the specification  list .

I always let equipment warm up to room temperature before using it because of possible condensation or shock heating of running current thru frozen electronics. What can it hurt to let it warm up for an hour or 2? All the electric instrument boxes at the place i used to work that were in a frozen environment used to have little heating bars in them for a reason.

I would turn it on again until the house temp got to at least 68 F and stayed that there for a day or so.

If any moisture condensed inside the TV from the cold, trying to use the TV before it had a chance to evaporate could have... unfortunate consequences.

It is amazing how some answers contain good and useful information 

while at the same time also containing utter balderdash (from Khalil in particular).   

In any case, don't be concerned about your TV, 

which can withstand much colder temperatures than it will endure where it is. 

for LCD tvs the temperature should be -20 to 60 celcius.

in the past tvs had CRT . it was made of GLASS and filament heater . so turning on it in too cold temperature may create a CRACK on its crt.

some animals like to eat alfalfa from other's manger!

Not due to the cold, that isn't the issue. The issue is the condensation that occurs in electronics when they go from cold to warm or hot. So allowing it time to fully return to normal temps and such, limits the condensation issue, and you should be fine.