To determine which home heating and air conditioning system is best for you, take into consideration factors such as: your budget, your comfort expectations, physical factors (such as your current system) and other unique features of your home.  Because your geographical region is also an integral aspect in choosing a home heating system home or central air conditioning unit, that should be taken into consideration as well.  A qualified technician should be able to assess your home and offer you options that will best meet your needs and budget.