About this tool

Find the ideal air conditioner for the room.

How we calculate: BTU = área × 600, ajustado por sol, pessoas e equipamentos.

🗓️ Values updated in Janeiro de 2026. Informational result, with no fiscal or official value.

❄️ BTU Calculator

Find the ideal air conditioner capacity for the room.

📖 How to use this tool

▾

Enter the room width and length.
Enter how many people use the space and how many devices (TV, PC, etc.).
Choose the sun incidence and see the recommended BTUs.

Width (m):

Length (m):

Number of people in the room:

Number of devices (TV, PC, etc.):

Sun incidence:

🔗 Related tools in Construction

foundationConcrete Calculator (m³)Construção Civilchevron_right wallpaperMortar MixConstrução Civilchevron_right grid_viewBricks & BlocksConstrução Civilchevron_right floorFlooring & TilesConstrução Civilchevron_right format_paintPaint CalculatorConstrução Civilchevron_right roofingRoofing CalculatorConstrução Civilchevron_right

⚠️ The results generated by this tool are based on public internet data and are for illustrative purposes only, with no fiscal, legal or official value. Always consult a qualified professional for important decisions. Privacy Policy · Personal Data Statement (LGPD) · Terms of Use.