Window AC vs Split AC
Compare window and split air conditioners to find the best cooling solution for your home or office.
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Split AC
Split ACs have two units - an indoor unit mounted on the wall and an outdoor compressor unit, connected by refrigerant pipes.
Window AC
Window ACs are single-unit systems designed to be mounted in a window opening, containing all components in one box.
Feature Comparison
| Feature | Split AC | Window AC |
|---|---|---|
| Noise Level | 26-40 dB (Quiet) | 45-55 dB (Noticeable) |
| Purchase Cost | $350 - $1,500 | $150 - $600 |
| Installation Cost | $50 - $150 | $0 - $50 |
| Energy Efficiency | Higher (3.5-6.0) | Lower (2.8-3.8) |
| Aesthetics | Modern, sleek | Bulky, visible |
| Cooling Capacity | 0.75 - 3 Ton | 0.75 - 2 Ton |
| Portability | Fixed installation | Can be relocated |
| Maintenance | Professional needed | DIY possible |
| Inverter Options | Widely available | Limited |
Split AC
Pros
- Quieter operation (compressor outside)
- Better aesthetics and modern look
- More efficient cooling
- Available in inverter variants
- Flexible installation options
- Better air distribution
Cons
- Higher purchase cost
- Professional installation required
- Takes up wall space
- Outdoor unit needs space
- More complex maintenance
Window AC
Pros
- Lower purchase cost
- Easy DIY installation possible
- Portable/relocatable
- No outdoor unit needed
- Simple maintenance
- Good for small rooms
Cons
- Noisier operation
- Blocks window/natural light
- Less aesthetic
- Limited to window placement
- Less efficient
- Mostly non-inverter
Our Verdict
Split ACs are the better choice for most permanent installations, offering superior efficiency, quieter operation, and better aesthetics. Window ACs remain viable for budget-conscious buyers, renters, or temporary cooling needs.
Choose Split AC if:
Choose Split AC if you want quiet operation, better efficiency, modern aesthetics, or need cooling for medium to large rooms.
Choose Window AC if:
Choose Window AC if you're on a budget, renting, need a portable solution, or cooling a small room occasionally.
Frequently Asked Questions
Which is more energy efficient - window or split AC?
Split ACs are generally more energy efficient, especially inverter models. They can be 20-30% more efficient than window ACs of the same capacity.
Can I install a split AC myself?
No, split ACs require professional installation due to refrigerant handling, electrical work, and proper mounting. DIY installation can void warranty and cause damage.
Which AC is better for a bedroom?
Split ACs are better for bedrooms due to quieter operation (26-35 dB vs 45-55 dB). The compressor noise stays outside, ensuring peaceful sleep.
How long do window and split ACs last?
With proper maintenance, split ACs last 12-15 years while window ACs typically last 8-10 years. Inverter split ACs can last up to 20 years.
Can I use a window AC if I don't have a suitable window?
Window ACs can be installed through walls with proper framing, but this requires more work. Split ACs offer more flexibility in such situations.
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Best For
Split AC
- Living rooms and bedrooms
- Modern homes and apartments
- Noise-sensitive environments
- Permanent installations
Window AC
- Small rooms and offices
- Rental properties
- Temporary installations
- Budget-conscious buyers