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Summer · April – June
A properly installed split AC keeps its refrigerant charge for 8–12 years. Refrigerant is not consumed like fuel; it circulates in a sealed loop. If gas is low after 1–3 years, there is a leak somewhere — usually at a flare joint on the copper pipe. Fixing the leak (₹800–₹2,000) plus refilling is the right sequence.
A common scam pattern: technician arrives, opens the outdoor unit, says "gas is low, needs refill". Ask them to attach a manifold gauge and show you the reading. Anything above 60 PSI on R-32 low side means gas is actually fine and they are lying.
Refrigerant type determines the cost. Older R-22 units (pre-2018) are the most expensive to refill now because R-22 is being phased out. Newer R-32 units are cheapest.
| Refrigerant | Cost 2026 (₹) | Used in |
|---|---|---|
| R-32 refill (1.0–1.5 ton) | 1,500 – 2,500 | AC bought after 2020 |
| R-32 refill (2.0 ton) | 2,000 – 3,000 | AC bought after 2020 |
| R-410 refill (1.0–1.5 ton) | 1,800 – 2,800 | AC bought 2015–2020 |
| R-410 refill (2.0 ton) | 2,200 – 3,000 | AC bought 2015–2020 |
| R-22 refill (any size) | 2,500 – 3,500 | Pre-2018 units (phase-out cost) |
| Leak detection (soap / UV dye) | 400 – 900 | Should precede any refill |
| Flare joint repair | 600 – 1,500 | When leak is at pipe joint |
| Vacuum + full re-charge | 2,500 – 4,000 | After compressor replacement |
If a technician suggests gas refill, look for these four independently observable signs first. If none are present, the AC does not need gas.
The exact same gas refill costs ₹1,500 in March and ₹2,500 in mid-May in the same city, because technicians ration slots and add "urgency" premiums. Cheapest window: mid-March to first week of April.
Solve24 AC technicians show reviews and years of experience on their profile. You agree the refill price on WhatsApp before they come, and they show you the gauge reading before and after. Commission-based apps typically upsell "gas refill" to every second visit because of the built-in per-lead margin.
Every ac technician on Solve24 lists directly — no platform commission on the job. See real reviews, agree the rate on WhatsApp, and pay them directly.
R-32 refill is ₹1,500–₹3,000 depending on tonnage. R-410 is ₹1,800–₹3,000. R-22 (older units) is ₹2,500–₹3,500 because it is phased out. Always ask for leak detection first — ₹400–₹900.
A healthy sealed AC does not need refill for 8–12 years. If gas is low in year 1–3, there is a leak — usually at a copper flare joint. Fix the leak first (₹800–₹2,000), then refill.
Both copper pipes at outdoor unit feel same temperature, ice forming on coil, or room stays warm 45 minutes after set temp 20°C. Ask the technician to show you the gauge reading — R-32 low side should be 100–140 PSI when running.
R-32 (2020+) is most efficient and cheapest to refill. R-410 (2015–2020) is efficient but slightly costlier. R-22 (pre-2018) is being phased out globally and now costs the most because supply is dwindling.
No. Each refrigerant has different operating pressure and oil compatibility. Mixing damages the compressor within weeks. A trained technician always vacuums before charging.
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