1867 - 1919. In 1917 Madam C.J. Walker was one of the wealthiest women in the United States. She developed a line of cosmetics and hair products especially for African-American women. She trained many women to become sales representatives. She once told a group of women,
Adding central air usually costs about $4,000 for 2,000 square foot home, if the home already has duct work in place. That price includes installation. If the home does not have ducts, the total cost could rise to as much as $8,000 to $10,000.Even though the price of central air is similar to a heat pump, donât forget that youâll also have to buy and maintain a furnace for heat.hat price includes installation. If the home does not have ducts, the total cost could rise to as much as $8,000 to $10,000. Even though the price of central air is similar to a heat pump, donât forget that youâll also have to buy and maintain a furnace for heat.
Cost to Install a Duct. Updated: August 2017. For a basic project in zip code 47474 with 60 linear feet, the cost to Install a Duct starts at $7.58 - $10.51 per linear foot. Because job specific configurations and options will result in significantly different costs, homewyse uses industry-standard algorithms and professionally screened cost data to create estimates customized to the specific options of YOUR hvac duct installation project.