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BTU calculator
01
AC
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2,199.00 €4,300.87 лв.Engineering-grade
EN 16798 base W/m² for Bulgaria + 10% safety margin. Free site visit for a final quote.
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How many square meters is the room?
Standard 2.5 – 2.7 m, newer buildings up to 3 m.
Different rooms need different capacity.
How much direct sunlight the room gets.
Better insulation = smaller capacity needed.
Each person adds heat to the room.
Larger windows let in more solar heat.
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Recommended capacity
Calculated load · 9 755 BTU
Recommended range
Engineering breakdown
Method: EN 16798 base W/m² rates calibrated for Bulgaria climate zone III. Sums envelope conduction, solar gains and internal loads. A tight 12% margin (kept low so the AC doesn't short-cycle and can still remove humidity) reaches setpoint on the hottest design day.
The calculation is advisory. For an exact quote we recommend a free site visit.
