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2. Say Goodbye to Grimy Dishes With the Best Cheap Dishwashers - AOL

   www.aol.com/lifestyle/goodbye-grimy-dishes-best...

   Noise is measured in decibels, or dBA, and a dishwasher’s noise level is almost always included in the specs on a retailer’s website. Anything that’s 44 dBA or less is considered ultra-quiet ...

3. I Tested the July A/C for a Month—Here Are the Pros and Cons

   www.aol.com/tested-july-c-month-pros-194300645.html

   Comparable units to the small July A/C clock in at 52 dB (LG), 56 dB (GE), 54 dB (Toshiba), 49 (Windmill), and 42 (Midea). The Midea unit also costs less. Truly quiet dishwashers , by contrast ...

4. A simplified guide to buying a dishwasher - AOL

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   Best value dishwasher: Bosch. 1. Bosch 300 Series Dishwasher. Dishwashers can range from a couple hundred bucks to a couple thousand, so finding a sweet spot can be tough. The Bosch 300 Series has ...

5. Decibel - Wikipedia

   en.wikipedia.org/wiki/Decibel

   Decibel. The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel ( B ). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 10 1/10 (approximately 1.26) or root-power ratio of 10 1/20 (approximately 1.12 ...

6. European Union energy label - Wikipedia

   en.wikipedia.org/wiki/European_Union_energy_label

   A new energy label, introduced in 2010, is based on the energy efficiency index (EEI), and has energy classes in the range A+++ to D. [11] The EEI is a measure of the annual electricity consumption, and includes energy consumed during power-off and standby modes, and the energy consumed in 220 washing cycles.

7. Absolute threshold of hearing - Wikipedia

   en.wikipedia.org/wiki/Absolute_threshold_of_hearing

   The threshold of hearing is generally reported in reference to the RMS sound pressure of 20 micropascals, i.e. 0 dB SPL, corresponding to a sound intensity of 0.98 pW/m 2 at 1 atmosphere and 25 °C. It is approximately the quietest sound a young human with undamaged hearing can detect at 1,000 Hz.