How do I calculate what amt BTU's I need for a window air condiontioner,andany other vital info re:same? ?
Question:
Answers:
room in sq ft-----room in sq m-----A/C size in BTU's
100 – 250...9 – 23...5000 – 6000
250 – 400.....23 – 37...6000 – 8500
400 – 550.....37 – 51...8000 – 11000
550 – 875.....51 – 81.....11000 – 15000
Usually, doing heat loss and gain calculations are limited to central systems. Window or through wall units are usually sized to the room it needs to cool. 12,000 BTU for medium room such as a larger bedroom, 24,000 for a large living room/dining room.
for just one bedroom a 5000 BTU
for 2 bedrooms/smallish house 12,000 BTU
for 2 bedrooms/old tall ceiling/15,000BTU
for 3 bedrooms 18,000 BTU
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