But the web page "Benefits of A/c Cleaning" on the National Air Duct Cleaning Company Association (NADCA) web site extends this benefit also much by stating: "According to the United State Department of Power, 25 to 40 percent of the power used for home heating and also cooling a residence is thrown away."Although much of the power utilized to powe

The web page "Advantages of A/c Cleansing" on the National Air Duct Cleaning Company Organization (NADCA) site stretches this benefit also far by stating: "According to the U.S. Division of Energy, 25 to 40 percent of the energy used for home heating and cooling down a house is thrown away."Although much of the energy utilized to power home heating