Which has heat, brandy or whisky?

I don't exactly understand your question; no alcoholic beverage “has heat”. Strong alcohol will give the illusion of heat, because it triggers heat receptors in your mouth and throat, much like spicy peppers do (although not exactly the same). read more

Brandy heated is common. You get a cup of hot water pour the brandy in a snifter lean it tilted on top of cup of hot water to warm the brandy & sip. The heat really enhances the flavor of the brandy. read more

Another difference in Whiskey and Brandy is that while whiskey can be made throughout the year, Brandy is an agricultural spirit which means Brandy production is dependent on the seasons, the ripening of the fruit, and the production of the wine from which it is made. read more

Although brandy snifters can hold a large amount of liquid, the point isn't to fill it up to the brim. Instead, the extra space is meant to allow the brandy to breathe; The tulip-shaped glass has gained traction recently as a good vessel for whisky and brandy. read more