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www.thermoscientific.com See the world's leading lineup of Biobanking technologies optimized to meet the analytical, sample handling and storage challenges of dealing with biospecimens. Learn how we're helping the world's leading Biorepositories improve chain of custody control, traceability and productivity. Discover how you can outfit an entire biobank operation and how picking the right Thermo Scientific LIMS is vital component of our total turnkey solution, offering laboratories the securities, interconnectivity, instrument integration and data management capabilities necessary to manage today's complex biobanks and biorepositories. Explore More for Bloodbanking and Biobanking Watch Videos including the cold storage Hit song "More than a [...]]]>

www.thermoscientific.com See the world's leading lineup of Biobanking technologies optimized to meet the analytical, sample handling and storage challenges of dealing with biospecimens. Learn how we're helping the world's leading Biorepositories improve chain of custody control, traceability and productivity. Discover how you can outfit an entire biobank operation and how picking the right Thermo Scientific LIMS is vital component of our total turnkey solution, offering laboratories the securities, interconnectivity, instrument integration and data management capabilities necessary to manage today's complex biobanks and biorepositories. Explore More for Bloodbanking and Biobanking Watch Videos including the cold storage Hit song "More than a Freezer" www.thermoscientific.com Find the freezer that's right for your samples! www.thermoscientific.com Explore Sample Collection and Storage Solutions www.thermoscientific.com

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So, for any amount of water, it is more efficient to heat it with microwaves, right?

Best answer:

Answer by Robin the energy saverMicrowaves convert about 65% of their electrical energy into heat. A gas oven converts 100% of its chemical energy into heat. So you might think a gas oven would be more efficient. In fact this is rarely the case.

A microwave oven only heats objects in the oven that contain water. So if you put a potato into a microwave, you are only using energy to [...]]]> Question by The Wicker Man: how energy efficient is microwave heating compared to gas heating?

So, for any amount of water, it is more efficient to heat it with microwaves, right?

Best answer:

Answer by Robin the energy saver
Microwaves convert about 65% of their electrical energy into heat. A gas oven converts 100% of its chemical energy into heat. So you might think a gas oven would be more efficient. In fact this is rarely the case.

A microwave oven only heats objects in the oven that contain water. So if you put a potato into a microwave, you are only using energy to heat that potato. A gas oven heats the entire air cavity of the oven, as well as heating up the metal walls of the oven, and to a lesser or greater extent depending on oven insulation, the oven casing and surrounding air as well. Just put your hand inside the microwave oven and inside the gas oven after you've baked a few potatoes and you'll see the difference. The microwave oven isn't usually that hot. The gas oven can burn you!

Of course if your electricity is generated from coal or natural gas, then the microwave oven loses part of its efficiency advantage because only about 40% of the heat energy from the fossil fuel gets converted to electricity, and of that about 8% disappears as transmission losses, so now you're down to about 37% of the fossil fuel energy reaching the microwave, and after the 65% efficiency of the microwave you're down to 24% efficiency from fuel source to heat generation. Even so, a microwave is a better choice for cooking small amounts of food, because an oven (electric or gas) uses so much of its energy heating the air in the oven, the oven walls, and everything nearby.

But for a Thanksgiving turkey, for example, a gas oven will be more efficient, because you're making good use of the space. Also note that an oven with a self-cleaning feature is generally more efficient, because the self-cleaning is done by heating the oven to very high temperatures, so they have to build these models with a lot of insulation to keep them from setting the house on fire! More insulation means better efficiency whenever you use it.

Know better? Leave your own answer in the comments!

Best answer:

Answer by Markrunning the fan with no cool air coming from the vents is kinda a waste of elec. because the fan does not blow on your skin to make you feel cooler

If you have never had ceiling fans you would be surprised how well [...]]]> Question by knickknackblue: Which is more energy efficient for home air conditioners?
Should I run it on auto and leave the fan off in between cycles, or will running the a/c fan keep it cooler and keep the compressor from running as much. If it matters the unit is brand new with a new thermostat.

Best answer:

Answer by Mark
running the fan with no cool air coming from the vents is kinda a waste of elec.
because the fan does not blow on your skin to make you feel cooler

If you have never had ceiling fans you would be surprised how well they work in keeping you cool.
and thus will need to use the ac less.
They also dont use much elec.

Know better? Leave your own answer in the comments!

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The Sǒta oven provides fast convection/microwave in TurboChef's smallest, most energy-efficient package - up to 10x faster, all without needing a hood! How fast? Parbaked, refrigerated pizza in 75 seconds. 8 qty frozen chicken wings in 3 minutes. 6" sub sandwich in 50 seconds. The top-launched microwave system allows use of metal pans. The LED timer provides a visual to see the last 30 seconds count down. View more information or purchase this item from BigTray: www.bigtray.com Video Rating: 0 / 5

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