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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.
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.
Reorders product matches by what matters most to you.
Quick presets
One click fills every field
Recommended capacity
Calculated load · 10 254 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. 10% margin ensures the AC reaches setpoint on the hottest design day.
The calculation is advisory. For an exact quote we recommend a free site visit.
