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Why is my AC running but not cooling?
AC running but not cooling is a common problem faced by many homeowners in Noida, especially during peak summer months. When your air conditioner is switched on but fails to cool the room properly, it can indicate issues ranging from simple maintenance problems to serious technical faults.
In this expert guide by Haazir Hoon, a trusted Voltas AC service centre in Noida, we explain the exact reasons your AC is not cooling, easy fixes you can try, and when to call a professional AC technician near you.
✅ Expert Tip by Haazir Hoon:
If your Voltas AC is blowing air but the room stays warm, avoid repeated switching ON/OFF. This can damage the compressor. Get a professional diagnosis early.
👉 At Haazir Hoon, we provide transparent pricing with no hidden charges.
Why Is My AC Running But Not Cooling?

If your AC is running but not cooling, the most common reasons include a dirty air filter, blocked air vents, low refrigerant gas due to leakage, dirty condenser coils, or a faulty outdoor unit. In some cases, simple cleaning can restore cooling, but gas leakage or compressor issues require professional AC repair service.
If basic checks do not fix the issue, booking Voltas AC repair in Noida with Haazir Hoon ensures fast diagnosis and long-lasting cooling.
Simple Fixes You Can Try First
Before calling a technician, you can try these basic checks if your AC is running but not cooling properly:
Check Thermostat Settings
Ensure your thermostat is set to Cool mode and the temperature is set lower than the current room temperature.
Clean or Replace the Air Filter
A clogged air filter restricts airflow and reduces cooling efficiency. Clean or replace the filter if it appears dusty.
Clear the Outdoor Unit
Remove leaves, dust, or debris around the outdoor condenser unit so it can release heat properly.
Check Indoor Vents
Make sure air vents are not blocked by furniture, curtains, or beds.
If cooling does not improve after these steps, the issue is likely technical.
Common Technical Reasons Your AC Is Not Cooling
🔹 Low Refrigerant (Gas Leakage)
If your AC gas is low due to leakage, the unit will run but won’t cool effectively. This is one of the most common Voltas AC problems in Noida.
➡️ Solution: Professional AC gas leak detection & refill.
Low refrigerant is a common cause when an AC runs but does not cool, and timely AC gas refill in Noida can restore proper cooling performance.
🔹 Dirty Condenser Coils
Outdoor coils collect dust and pollution quickly in cities like Noida. Dirty coils reduce heat transfer and cooling.
🔹 Faulty Outdoor Fan or Compressor
If the outdoor fan isn’t running properly or the compressor is weak, cooling performance drops significantly.
➡️ This requires expert Voltas AC repair service.
When Should You Call an AC Technician?
You should contact a professional AC service provider if:
- AC is blowing warm air
- Cooling drops suddenly
- Ice forms on AC pipes
- AC trips electricity
- AC gas refill is needed
- AC works but room doesn’t cool even after cleaning
Delaying repairs can increase electricity bills and damage the compressor.
Voltas AC Repair in Noida by Haazir Hoon
If your AC is running but not cooling, trust Haazir Hoon, a reliable Voltas AC service centre in Noida, for fast and professional doorstep service.
Our Voltas AC Services Include:
- Voltas AC not cooling repair
- AC gas leak detection & refill
- Voltas inverter AC repair
- AC jet cleaning service
- Indoor & outdoor unit repair
📍 Service Areas:
Noida Sector 62, Sector 18, Sector 50, Sector 76, Noida Extension & nearby locations.
We also provide fast Voltas AC repair in Noida Sector 62 and nearby locations with same-day availability.
Why Haazir Hoon Is Recommended Locally?
- ✔ Local technicians near you
- ✔ Same-day service in Noida
- ✔ Genuine spare parts
- ✔ Transparent pricing
- ✔ Trusted by Noida households
All inspections are handled by Haazir Hoon AC service experts with years of hands-on experience in Voltas AC repair.
📞 Final Thoughts
If your AC is running but not cooling, don’t ignore the warning signs. Early inspection can save you from expensive repairs later. For quick diagnosis and long-lasting cooling, contact Haazir Hoon – your trusted Voltas AC repair expert in Noida.
Book Voltas AC Gas Refill in Noida Today
If you are looking for reliable AC gas refill service in Noida at genuine cost, contact Haazir Hoon today. Our technician will inspect your AC, explain the exact issue, and proceed only after your approval.
📍 Service Area: Sector 62, Noida
📞 Book same-day AC repair with Haazir Hoon
📞 Call Now | 🚪 Doorstep Service | ⚡ Same‑Day Support
Frequently Asked Questions
Haazir Hoon connects you with verified and experienced Local AC technician in Noida based near your local area. Just call 8368834040, 7065576565 for trusted service at your doorstep.
Only when there is a leak. In a healthy AC system, gas lasts for many years.
No. Regular AC servicing includes cleaning only. Gas refill is a separate job.
Your AC model decides this. Using the wrong gas can damage the compressor.
Yes, we service both inverter and non‑inverter ACs.




