Hosting a Champagne tasting at home is mostly about thoughtful timing, not...

https://wiki-room.win/index.php/How_Do_I_Avoid_Serving_Champagne_That_Has_Been_Sitting_Near_a_Heater%3F

Hosting a Champagne tasting at home is mostly about thoughtful timing, not special gear. Chill bottles to 8 to 10°C, set out tulip-shaped glasses, and pour small tastes in order. A few simple choices help guests compare what’s in each glass.