All alcoholic beverages are going to be warming to some extent, but if in a lower-alcohol beer you're tasting significant warming, or in a higher-alcohol beer it tastes like solvent or bad, cheap liquor, you want to learn how to avoid that.
- Make sure you're pitching enough healthy yeast
- Make sure you're not fermenting at too-hot temperatures
- Make sure your fermentation temperature is kept at a constant temperature, without runaway increases in temperature