Adding a central air conditioning unit to your current ductwork usually ranges from $4,000 to $8,000. Unit and ductwork. Installing new ductwork along with the unit ranges from $9,000 to $12,000.

For many homeowners in Texas, a ductless mini-split system can be the perfect cooling solution. These units are highly versatile and can provide efficient cooling for a variety of spaces, making them an ideal choice for the hot and humid climate of the Lone Star State.

Modern air conditioners can last between 15-20 years, and older air conditioners last around 10-12 years. The health and efficiency of your A/C depends on a number of factors, including whether or not you properly maintained the unit throughout its lifetime.

The easiest — and simplest — way to calculate your AC size is through a simple formula that relies only on your home's square footage and the number of BTUs per square foot in an average home. Simply multiply your home's square footage by 25 BTUs.