Microwave ovens are up to 66 percent more energy-efficient than conventional ovens. Besides saving energy, microwave ovens won't heat up your entire kitchen (at least, they shouldn't), and they also save time.
How much time does a microwave save? If you heated frozen meals for dinner using your microwave instead of the oven for a month, you'd save about 12.5 hours. That's enough time to take four intensive cooking classes for beginners. In a year's time you could master the advanced level…or just have more time to relax after dinner.
Wearing white on a hot summer day makes sense for you, and it does for your roof as well. A cool roof is a reflective one-a white or light-colored surface off of which sunlight will bounce-as opposed to a dark surface that absorbs the heat like a cast-iron skillet. The roofing material on a cool roof should also have a high emissivity, which means it easily releases heat. According to the Environmental Protection Agency (EPA), installing a cool roof can lower a rooftop surface temperature by as much as 100 degrees on a hot day, and can make as much as a 15 percent difference in your air-conditioning bill.
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