Does one point EER make a big diff in energy efficiency?

I'm looking to buy a small window air conditioner (5000-6000 BTU) for bedroom use.
Does the drop from 107 eer to 9.7 eer mean a big diff
in electrical usage?
Does on point make much diff?
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snipped-for-privacy@privacy.net wrote:

EER is average BTU's per Watt of power consumption, so you can calculate out the difference in energy consumption pretty easily.
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All other things being equal, the unit with 9.7 eer will consume 10.7/9.7 110%. So you can expect about 10% more electricity to run the lower eer unit.
daestrom
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OK thanks
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