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Ultimate AC buying Guide
Ultimate AC buying Guide

To choose the best AC, match tonnage to room size, prioritize high star ratings (5-star) for efficiency (especially with Inverter tech), select the right type (Split for quietness, Window for budget), check for features like Wi-Fi/air purification, and consider brand/warranty for reliability and service. Focus on long-term savings with efficient models for lower bills.

1. Determine Cooling Needs (Tonnage) 

  • Measure Room: Calculate square footage (Length x Width).
  • Capacity Guide:
    • 1 Ton: ~100-120 sq. ft.
    • 1.5 Ton: ~120-180 sq. ft.
    • 2 Ton: ~180-250 sq. ft.
  • Adjust for Factors: More windows, sunlight, or heat sources mean you might need a slightly higher tonnage.


2. Prioritize Energy Efficiency (Star Rating) 

  • Look for 4 or 5 Stars: Higher ratings mean lower electricity bills.
  • Inverter ACs: Variable speed compressors save significantly more energy than non-inverter models


3. Choose the Right Type

  • Split AC: Quieter, better for bedrooms/larger rooms, requires professional installation.
  • Window AC: Budget-friendly, compact, good for small rooms, simpler installation


4. Consider Key Features & Tech

  • Inverter Technology: Essential for consistent cooling & efficiency.
  • Smart Features: Wi-Fi, app control, voice assistant compatibility for convenience.
  • Air Quality: Dehumidifiers, air filters/purifiers.
  • Compressor: Inverter or Dual Rotary for better performance

5. Check Other Important Factors
  • Noise Level: Split ACs are quieter; check decibel ratings if noise is a concern.
  • Brand & Warranty: Look for good brand reputation and solid compressor/PCB warranties (e.g., 10-year compressor).
  • Refrigerant: R32 gas is a better, eco-friendlier choice

Quick Checklist:
  1. Room Size: Calculate sq. ft. for tonnage.
  2. Energy: Aim for 4/5 Star Inverter AC.
  3. Type: Split for quiet, Window for budget.
  4. Features: Wi-Fi, purifier?
  5. Reliability: Good brand + Warranty.
  6. Installation: Factor in costs and requirements.