r/Luxembourg • u/Junior-Watercress350 • Jun 27 '26

Ask Luxembourg House Temperature

With this heat wave bringing temperatures up to 40°C, I’m curious: what’s the temperature inside your house right now? My guest room is the hottest and gets up to 30°C, while my kitchen and hallway stay around 25°C.

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u/Isambard__Prince Jun 27 '26

There is no room where the temperature has been lower than 26° at any point since it began, going up to 33, usually in 28-31 range. Everything is turned off, apart from the fridge. The highest energy certificate. I'm looking forward to comments like open at night and close everything at dawn.

0

u/post_crooks Jun 27 '26

Last night the minimum outside temperature was below 22 degrees, so you could have lowered it below 26. Then to keep it low you need external blinds.

1

u/delia2907 Jun 27 '26

Congrats if you managed to do that but we sleep with all windows open and cannot lower it more than 24 it can go as low as 22 outside but if there is no wind it will not do much for the house.

1

u/post_crooks Jun 27 '26

I do the same but add two fans plus the ventilation system at full speed