VIDEO: The Specter of Phantom Power

Think your home is safe from phantom power? Think again. See how you can stop this diabolical energy waste from haunting your bills.
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Ask an Expert: Heat Pump Water Heater Efficiency

Are heat pump water heaters more efficient than gas units?
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What's the Difference? kW vs. kWh

More than one letter separates kW from kWh. It's the difference in how power and energy are measured.
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