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Uni Finish AC Services
HVAC Technicians on Duty in Mumbai & Pune
verified Certified HVAC Refrigerant Protocols verified_user 60-Day Gas Guarantee

AC Gas Refill & Electronic Leak Detection

Engineered cooling restoration with nitrogen high-pressure pressure-drop testing, electronic refrigerant sniffers, dual-stage deep vacuuming, and exact-gram gas charging according to OEM manufacturer specs.

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Engineering Notice: Cooling issues do not always mean low gas. We strictly test and verify system operating pressures, superheat, and subcooling before recommending any refill.

Complete Cooling Restoration
₹1,499 ₹1,899 Save 21%

Covers full nitrogen leak audit, deep 500-micron vacuuming & factory-standard charge.

bolt Same-Day 90 Min Arrival No hidden charges
Close up photography of a certified HVAC specialist using a yellow digital manifold gauge and electronic halogen leak detector probe checking copper flare joints on a modern outdoor split AC compressor unit on an urban balcony. Crisp, industrial detail, cool blue tones, studio grade focus.

Target Vacuum Pressure

Dual-Stage Rotary Vane

check_circle R32 / R410A Pure
speed
Deep Vacuum < 500 Microns
100% Moisture Free Extraction
tune Digital Gram Scales
Diagnostic Indicators

Signs That Warrant Gas & Pressure Inspection

Don't let a minor copper pinhole compromise your compressor. Watch out for these four telltale operational symptoms.

air

Weak or Lukewarm Airflow

Compressor runs continuously without tripping, yet air delivery delta-T between room return air and vent supply is less than 4°C.

priority_high Low Operating Pressure
ac_unit

Frost or Ice Formation

Thin layer of white frost on the thin outdoor discharge valve or visible freeze-up on indoor evaporator cooling fins.

thermostat Evaporator Starvation
volume_up

Hissing Sound Near Condenser

A faint, continuous sibilant hiss or bubbling sound caused by pressurized refrigerant escaping from cracked flare connection nuts.

crisis_alert Active Flare Micro-Crack
electric_meter

Unusually High Electric Bills

Inverter compressor forced into permanent 100% duty cycle, burning excessive kW without ever satisfying room thermostat parameters.

trending_up Extended Inefficient Cycle
Rigorous Methodology

Our 4-Stage Refrigerant Standard Operating Procedure

Unlike unverified roadside gas refilling that pumps air and contaminated Freon, we deploy standardized Rigorous HVAC industry protocols to guarantee permanent cooling.

Phase 01 01

Electronic Leak Sniffing & Nitrogen Test

System pressurized with dry nitrogen up to 350 PSI. We scan flare nuts, Schrader charging ports, and coil U-bends with sensitive electronic halogen sniffers and bubble spray.

search_check Locate microscopic fissures
Phase 02 02

Brazing Fix & Flare Joint Re-making

Damaged brass flare nuts are freshly re-cut with precision flaring tools. Any punctured coil headers receive industrial silver-copper brazing using oxy-acetylene torching.

build Permanent mechanical seal
Phase 03 03

Deep Vacuum Micron Evacuation

Two-stage rotary vane vacuum pump draws the closed loop down below 500 microns. This boils away every trace of internal atmospheric moisture that would otherwise acidify compressor oil.

compress Zero moisture & non-condensables
Phase 04 04

Digital Scale Exact-Gram Charging

Virgin sealed cylinder refrigerant (R32 or R410A) is measured on a high-precision digital platform scale, charging the exact grams stamped on your AC unit's technical nameplate.

scale Factory-spec thermal balance
science

100% Virgin Grade Refrigerants Only

We never use recycled, contaminated gas cylinders that cause compressor seizure. Every cylinder carries certified purity certificates.

R32 Eco-Green R410A Puron R22 Hydrofluorocarbon
Standardized Rates

Transparent Refrigerant Pricing Matrix

Upfront fixed pricing. All gas refills include full nitrogen vacuum protocol and our 60-day replacement warranty.

verified No hidden technician convenience fees
Inspection 45 Mins

Full Leak Test & Pressure Audit

Comprehensive nitrogen leak test, gauge manifold pressure check, amp reading, and electronic leak sniffer inspection.

  • check_circle Fee waived if full refill service is booked
  • check_circle Digital report of operating suction pressures
₹499 Fixed diagnostic charge
Most Popular
Complete Restoration 75 Mins

Split AC Complete Gas Refill

Suitable for Split ACs up to 1.5 Ton (R32 / R410A). Includes complete vacuuming, nitrogen leak fix check, and 100% full cylinder charge.

  • check_circle Includes 500-micron deep vacuuming
  • check_circle 60-Day Replacement Gas Guarantee
  • check_circle Post-service temperature drop verification
₹1,499 ₹1,899
Inclusive of all taxes
Heavy Duty 90 Mins

Heavy Inverter / 2.0 Ton Refill

Engineered for large cooling coils and commercial grade multi-split systems with higher gram capacity requirements.

  • check_circle High gram capacity OEM exact charge
  • check_circle Extended 60-Day cooling warranty
₹1,899 2.0 Ton / Ductable units
Top-Up 30 Mins

Refrigerant Top-Up & Flare Tighten

Applicable only if pressure loss is minor (under 15 PSI) and unit has no active coil leak. Includes service valve tightening.

  • check_circle Pressure equalisation test
  • check_circle Valve core O-ring inspection
₹899 Up to 30 PSI top-up
Mechanical Repair Per Joint

Copper Flare Nut Re-flaring

Cutting back brittle copper pipe ends, creating fresh 45° smooth eccentric flares, and torquing with calibrated torque wrench.

  • check_circle Heavy-duty brass nut replacement
  • check_circle Torqued to manufacturer specs
₹350 Per joint repair
contact_support

Unsure what your AC requires?

Don't guess. Talk directly to our chief refrigeration technician. We diagnose symptoms over phone or send an inspection expert within 90 minutes.

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The Uni Finish 60-Day Guarantee Policy

If your AC experiences cooling loss due to gas leakage within 60 days of our refill, our technician visits free of cost, fixes the leak, and refills the gas at zero charge.

Customer Rating star 4.92 / 5.0
Gas Refills Done 14,200+
Knowledge Base

Frequently Asked Questions

Everything you need to know about AC gas replenishment, leak diagnostics, and cooling safety.

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Restore Ice-Cold Cooling to Your Home Today

Don't sweat through the heat with low gas pressures. Book our certified technician now with 60 days of leak-proof assurance.