Derek Cole explains that the average duct system loses 25% of conditioned air, and 95% of homes have duct leakage. A high-efficiency HVAC unit won't perform well if your ductwork leaks, so sealing ducts is essential to cut wasted energy.
On average in America, the average duct system has 25% loss of air. So meaning for every dollar you spend heating or cooling, 75 cents of that dollar is actually going into the home. 25 cents you're wasting. Well, one of the biggest energy losers for your home is your duct system. 95% of homes have duct leakage. I'll link it up, uh, in the comments below, but Energy Star says 95% of homes have duct leakage. So if you have a poor duct system, a leaky duct system, you can install a brand new 14.3 SEER 2 system in it, but If you're losing 25% of the energy and the air you're producing from that system, you're not very efficient.
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