The whole package.

An all-in-one gas / electric system gives you efficient comfort in practically
any climate. The powerful gas furnace keeps you positively toasty in
cold weather. In warm weather, you'll have an all-electric, high efficiency
air conditioner keeping you cool day and night.

American Standard offers a variety of gas / electric systems to choose
from - including our highest efficiency unit, which features humidity removal
for summer and our most effective whole house warm air circulation in the winter.