🌡️ BTU Calculator
Room size and conditions
Room length
Room width
Ceiling height
Insulation & sealing
Poor — older home, drafts, thin insulation
Average — typical construction
Good — modern, well sealed
Climate
Very hot (Florida, south Texas)
Hot (Georgia, Arizona)
Moderate (mid-Atlantic, coastal California)
Cool (Pacific Northwest)
Cold winters (New England, upper Midwest)
Sun exposure
Shady — few or north-facing windows
Average
Very sunny — big south/west windows
Calculate BTU
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