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Microwave vs. Stove - which one is more energy efficient?

energy efficient microwaveYour microwave is a much more efficient way to heat or reheat than your stove top, mainly because your stovetop wastes quite a fair amount of heat. Your microwave uses about 80 percent less energy than your stove for heating up relatively small amounts of food. 

Even though your microwave uses a lot of electricity, it’s a small burst of power vs. the long, delayed energy used to heat up your stove. Of course, you can save some of the energy you’re using on your stove by using pots that are size appropriate to the burner. The EPA warns that using a six inch pot on an eight inch burner can waste the majority of the burner’s heat.

You can heat up a cup of ice cold water to boiling in an 800-watt microwave in 2.5 minutes. To find out how much energy that would take, you calculate the amount of electricity used in kilowatt hours (kWh) by taking the device’s wattage and multiplying it by the time. So 2.5 minutes = 0.042 hours, and 800 watts is .8 kW. Multiplying kWh capacity by time, we get .8(0.042) = .034 kWh to heat the cup of water.

So, when you want a great reason to do dinner the easy way and need some scientific numbers to back it up, refer back to this blog and pop that plate in the microwave - to save money of course.

Check out our substainability page for more energy saving tips. 

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From the mid-'60s to the early '70s, electricians in many new or remodeled homes installed aluminum wiring to feed branch circuits from the main panel to outlets and lighting fixtures.  What was later discovered is that while continuous runs of aluminum wire didn't present problems, when those wires were connected to light switches, outlets and other wires in junction boxes, the connections deteriorated and became fire hazards.

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About John's Electric

Linn Park Fountain, Birmingham, AL

John's Electric Inc. is a family owned and operated electrical contractor business that proudly provides electrician services in Birmingham, AL and the surrounding areas such as Hoover, Homewood, Chelsea, Vestavia Hills, Pelham, Alabaster, Trussville, and Mountain Brook. John's Electric provides residential and commercial electrical solutions at competitive rates. We have been in this line of work for 30 years, giving us not only experience but expertise as well. You can depend on us. We are a state licensed electrician (#03875) for your protection.

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What others say about John's Electric Service

I called because of the great reviews, and was not disappointed. I told Aubrey what was going on and he knew right where the problem was. He communicated well when he would be here and scheduled time with the power company to shut off the main power to replace the main breaker.

I appreciated that Aubrey took the time to make sure that everything was working before he left.

Scott Klawitter
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Very good and professional. Solved problem and went the extra mile to fix another issue.

Bill White
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Very professional and willing to work with the customer. Overall was an enjoyable experience.

Ernie Spiller
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Had part of a circuit series of outlets/lights stop working while running vacuum. Was very pleased with service.... courteous....professional....good blend of knowledge and interaction.

Jim M.
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