Selecting The Correct Room Air Conditioner BTU Size
The room air conditioner BTU sizing
chart shown below offers an
accurate estimate for cooling needs
under most situations.
The drawback to sizing charts is they
don't take into account many of the
variables that affect overall
performance.
One of the variables that affect the
performance of a room AC is
geographic location.
Alternative-Heating-Info.com
For instance, an 8 or 9,000 Btu air conditioner would provide sufficient cooling for a
400 sf. room in Bangor Maine. But to cool the same sized room in muggy Miami, you
might want to consider an AC in the 10 to 12,000 Btu range.
Up-sizing might also be necessary for a family room frequented by multiple occupants
(people add heat), the kitchen, or south facing rooms.
Room air conditioners with the Energy Star label will consume less electricity than
unrated models. An EER (Energy Efficiency Rating) of 10 or more is very good.
Although room air conditioners with higher efficiency ratings are marginally more
expensive they'll cost less to operate in the long term. Also, many Energy Star rated
room air conditioners qualify for rebates from local utility companies.
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Room Air Conditioner Sizing Chart Window Units
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