OLX India
Wishlist
Sell
All Categories
Cars
Motorcycles
Mobile Phones
For Sale: Houses & Apartments
For Rent: Houses & Apartments
beds-wardrobes
TVs, Video - Audio
25 Sep, 2026

258 Used Air Conditioners in Sector 21

Looking for an affordable second-hand air conditioner to beat the heat in Sector 21? We have a wide range of old ACs for sale, from top brands like Voltas, Daikin, LG, Blue Star, and Hitachi. With 258 used ACs currently in stock, you can easily find the perfect cooling solution within your budget.

Read more

Choosing the Right Capacity of Used AC in Sector 21

Choose the right capacity based on your room size to ensure optimal cooling from your AC. Depending on your needs, understanding the right tonnage helps you balance cooling power with energy efficiency. Review the table below to find the ideal used air conditioner capacity for your space in Sector 21.

Capacity

Average Price

Ideal Space

Electricity Consumption

1.5 Ton₹19,840Up to 180 sq. ft.1.2 to 1.5 kWh approx.
1 Ton₹21,833Up to 120 sq. ft.0.8 to 1.0 kWh approx.
2 Ton₹21,044Up to 240 sq. ft.1.7 to 2.0 kWh approx.
More Than 2 Ton₹3 LakhsLarge halls or commercial spaces2.2+ kWh approx.

Explore Different Types of Old ACs in Sector 21

Whether you need a used air conditioner for your home or office, understanding the different configurations available will help you make the best choice. In Sector 21, you can find excellent deals. Check the comparison below to see which type of second-hand AC fits your specific installation requirements and room layout.

Type

Average Price

Suitable For

Split AC₹41,161Medium to large rooms, quieter operation, and flexible wall placement.
Window AC₹18,333Smaller rooms, compact spaces, and easy, single-unit window installation.
Portable AC₹28,000Renters, spot cooling, and easy mobility from room to room.

Why Choose OLX for Used Air Conditioners in Sector 21?

✅ Massive Selection: Browse through 258 used ACs in your area to find exactly what you need.
✅ Budget-Friendly Options: Find second-hand air conditioners that offer a highly affordable cooling solution compared to new units.
✅ Trusted Brands: Access local listings for top brands of old ACs like Voltas, Daikin, LG, Blue Star, and Hitachi.
✅ Direct Transparency: Easily ask the seller about the previous usage and maintenance history of the second-hand AC before making a decision.
✅ Hyper-Local Deals: Discover the best used air conditioners and old ACs right in your neighbourhood in Sector 21.

collapse
Categories
ACs
Locations
Sector 21
Filters
Budget
Choose a range below
025,000+
Type
Choose from below options
Capacity
Choose from below options

258 ads near Sector 21

Sort By : Date Published
FAQs
Where can I find a second-hand air conditioner in Sector 21?

You can find a wide range of used ACs for sale on OLX in Sector 21, including Window ACs, Split ACs and Portable ACs from top brands at budget-friendly prices.

How do I choose the right used AC for my room in Sector 21?

Select the second-hand air conditioner based on your room size, a 1 ton AC is ideal for small rooms, a 1.5 ton old AC for medium rooms, and a 2 ton unit for larger spaces.

Which type of old air conditioner is best for me in Sector 21?

Depending on your preference, a split AC is quieter and ideal for larger rooms, while a window second-hand AC is compact, easy to install, and suitable for smaller spaces.

Are old air conditioners a good choice to buy on OLX in Sector 21?

Yes, buying an old air conditioner on OLX provides a highly affordable cooling solution. Always remember to check the details, photos, and condition provided by the seller before purchasing your second-hand AC.

What should I check before buying any of the 258 used air conditioners listed in Sector 21?

Before purchasing an old AC in Sector 21, check for cooling performance, gas levels, compressor condition, and any visible damage. It is also advisable to ask the seller about the used AC's previous usage and maintenance history.

Explore More