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Ductless AC/Heat BTU Size

  • Last Updated:
  • Jun 11th, 2020 10:44 am
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May 27, 2007
226 posts
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Vaughan

Ductless AC/Heat BTU Size

Hello Everyone - I am shopping around for a ductless ac/heat unit for my third-floor attic space. It is appx 700 SF (33 x 21). The companies I've spoken to are giving me vastly different BTU numbers. I wanted to get some thoughts on how big of a unit I need. So far I have gotten between 9,000 to 18,000 BTU. Thank you!!
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