Find the best AC size for your room by entering height, width, and length. Quick and accurate air conditioner size calculator for perfect cooling performance.
🧊 AC Size Calculator by Room Dimensions | Height, Width & Length Based
Finding the right air conditioner size for your room is very important for cooling efficiency and energy saving. If the AC size is too small, it won’t cool the room properly, and if it’s too large, it will waste electricity. Our AC Size Calculator helps you find the perfect AC tonnage based on your room dimensions (height, width, and length).
🌬️ Why You Need the Correct AC Size
Choosing the correct AC capacity ensures:
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Fast and even cooling
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Lower electricity bills
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Longer compressor life
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Better humidity control
This AC tonnage calculator works for all types of rooms — bedroom, office, living room, or small shop.
📏 How to Use the AC Size Calculator
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Enter your room length, width, and height (in feet).
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Select your floor level (Ground, 1st, or Top Floor).
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Mention if your room has a kitchen or direct sunlight.
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Click Calculate to get the recommended AC size in tons or BTUs.
The tool instantly tells you whether you need a 1 Ton, 1.5 Ton, or 2 Ton AC, depending on the total air volume and heat load.
💡 Example Calculation
If your room size is 12 ft (length) × 10 ft (width) × 10 ft (height)
→ Total Volume = 1200 cubic feet.
Recommended AC Size ≈ 1 Ton (12000 BTU).
For top-floor or kitchen rooms, add 0.5 Ton extra for better performance.
🔍 Factors That Affect AC Size
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Room direction (sun exposure)
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Number of windows and doors
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Floor level
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Electronic appliances in room
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Insulation and roof type
These small details can make a big difference in cooling performance.
🧠 Tips for Choosing the Best AC
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Use an Inverter AC for better energy savings.
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Always match your AC tonnage with room size and usage.
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For large rooms, use two smaller ACs instead of one big unit.
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Keep filters clean for maximum airflow and efficiency.
🔧 Supported Brands
This calculator works for all major AC brands like:
Daikin, Gree, Haier, LG, Orient, Samsung, TCL, Panasonic, Dawlance, and Mitsubishi.
📘 Conclusion
Use our Room AC Size Calculator to find the ideal air conditioner capacity according to your room’s height, width, and length. This tool saves your time, reduces energy costs, and ensures perfect cooling every time.
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