AC Tonnage & Electricity Calculator
Your AC Recommendations
How to use the TechPop AC Size & Bill Calculator?
Buying the wrong size AC is a costly mistake. If you buy a 1 Ton AC for a large room, the compressor will never stop running, causing a massive electricity bill. If you buy a 2 Ton AC for a small room, it will cool the room too fast without removing humidity.
Use our tool to find the perfect balance!
Follow these steps:
- Room Dimensions: Measure the length and width of your room in feet.
- Sunlight Exposure: This is crucial in India! If your room is directly under the roof (top floor), the ceiling radiates intense heat, meaning you require a more powerful AC.
- AC Type: Select the technology. 5-Star Inverter ACs cost more upfront but save significant money on electricity over the long term.
- Daily Usage & Electricity Rate: Enter how many hours you plan to run the AC (e.g., 8 hours while sleeping) and check your local electricity bill for the cost per unit (usually ₹6 to ₹10).
- Click "Calculate": The tool will instantly tell you whether you should buy a 1 Ton, 1.5 Ton, or 2 Ton AC, along with your estimated monthly power bill!
3. Frequently Asked Questions (FAQs)
Q1: What does "Ton" mean in Air Conditioners?
A: "Tonnage" does not refer to the weight of the AC unit. It is a cooling capacity measurement. Long before electricity, people used ice to cool rooms. 1 Ton of AC cooling is mathematically equal to the amount of heat absorbed by melting 1 Ton of solid ice over a 24-hour period.
Q2: Should I buy a 3-Star or 5-Star AC?
A: If you only use your AC for 3 to 4 hours a day during peak summer, a 3-Star AC is the best value for money. However, if you run your AC for 8+ hours every night, you should absolutely invest in a 5-Star Inverter AC, as it will recover the extra cost through electricity savings within just 1.5 years.
Q3: What is an Inverter AC?
A: Older non-inverter ACs only have two speeds: 100% ON or 100% OFF. This sudden switching consumes a massive amount of power. An Inverter AC works like a car's accelerator; it slowly adjusts the compressor speed to maintain the room temperature perfectly, saving up to 30% on electricity bills.
Q4: Will setting my AC to 18°C cool the room faster than 24°C?
A: No, this is a common myth! The compressor pumps out cool air at the exact same speed regardless of the temperature you set on the remote. Setting it to 18°C just forces the compressor to run continuously without stopping, which wastes electricity. The Bureau of Energy Efficiency (BEE) recommends setting your AC to 24°C for the best balance of comfort and savings.