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AC Doesn't Make Cold It Removes Heat | Washington DC News
Your AC isn’t magic—it’s science. An HVAC pro explains how your unit doesn’t create cold, but instead pulls heat from inside and dumps it outside using a refrigerant loop. The evaporator coil cools air by absorbing heat, not by being cold itself. And here’s the twist: cheap filters often outperform pricey ones, since overly restrictive filters make your system work harder. Also, turning your thermostat way down won’t cool your home faster—it just makes your AC run longer to reach that lower temp. Simple tweaks like choosing the right filter can keep your system running efficiently when the…
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