Lowering the thermostat cools rooms quicker

Lowering the thermostat cools rooms quicker
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It doesn’t matter if you’re lowering the room temperature one degree or 20 — air conditioning units work just as hard either way. Setting the number absurdly low won’t speed things up.

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Ceiling fans cool down rooms

Ceiling fans cool down rooms
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A ceiling fan will make you feel cooler, but it can’t lower the temperature in the room. Ceiling fans circulate air, which increases the amount of evaporation from your skin. That gives you the cooling feeling. Running a fan in an empty room is a waste of money.

Turn the A/C off when you leave for lower energy bills

Turn the A/C off when you leave for lower energy bills
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Shutting off your thermostat when you leave for the day might seem like a smart idea, but it could actually be costing you more money. According to National Property Inspectors, “When you come back home and turn your system back on, your AC unit will have to work overtime to cool your house back down, negating any energy savings you’ve accrued.” Leave it on when you’re gone, just on a higher setting, say 25 C instead of 22 C.

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Source: Family Handyman