Frequently Asked Questions
Answers to popular questions and how to use the platform
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FAQ about Air Conditioning Cleaning
Generally, you should clean your air conditioner every 4–6 months if you use it daily.
Yes, because when the AC is clean, the cooling system works more efficiently, using less energy.
Typically about 30 minutes to 1 hour per unit.
The average cost of AC cleaning in Thailand ranges from 400–900 baht per unit for wall-mounted ACs, and may be higher for larger or ceiling-mounted units.
Choosing a professional service like DR-AIRCARE ensures your air conditioner is properly and safely maintained, with transparent pricing, no hidden fees, and a 30-day service warranty.
Not necessarily! 80% of AC cooling issues are caused by dirty units, not low refrigerant. Refrigerant is a sealed system — if there are no leaks, you rarely need a refill for the entire 10-15 year lifespan. A good technician will clean the AC first, then measure the refrigerant level. Only if it is still not cooling after cleaning should leak detection and refilling be considered.
There are 5 main signs: (1) Musty smell when AC is on — a sign of mold and bacteria. (2) Abnormally high electricity bills — dust blockage makes the AC work harder. (3) Weak or uneven airflow — the blower wheel is clogged with dust. (4) Water dripping from AC — the drain pan is blocked. (5) Unusual noises — dust on fan blades causes imbalance. We recommend cleaning your AC every 6 months to prevent these issues.
Very necessary, especially for ACs over 3 years old! If AC were a human body, cleaning is like bathing, but an annual checkup is like a blood test. It includes: checking electrical systems to prevent short circuits, measuring refrigerant levels to detect leaks, inspecting the compressor (the heart of the AC), and tuning up for 10-20% energy savings. Investing a few hundred baht in a checkup today can save thousands in repair costs later.
There are 3 major risks if the technician is not experienced: (1) Refrigerant leak — if Pump Down is not done before removal, you will need a full refill. (2) Kinked copper pipes — causing the compressor to overwork and burn out. (3) No vacuum — AC cools slowly and wastes energy. Dr-Aircare recommends doing a deep cleaning along with the relocation, as the technician can easily clean areas that are normally hard to reach.
If there are no leaks, you never need to refill! Refrigerant circulates in a sealed system and does not evaporate. If you need frequent refills, it means there is a leak that needs repair. Signs of genuinely low refrigerant include: AC runs but does not cool, ice forming on the coil, warm air from the outdoor unit, oil stains at pipe joints, or hissing sounds. At Dr-Aircare, we detect the leak, repair it, vacuum the system, and refill to the manufacturer's exact specification.
Regular AC cleaning is essential maintenance that helps your air conditioner run at peak efficiency, save electricity, and extend its lifespan. AC cleaning in Thailand typically costs 400–900 baht per unit.
Choosing a professional service like DR-AIRCARE ensures your air conditioner receives proper and safe maintenance from certified technicians.
Dr-Aircare AC Care Guide
Tips and knowledge from our professional technicians to keep your AC in top condition year-round
Many people wait until their AC "stops cooling" before calling a technician, but that may be too late! Regular AC cleaning is like an annual health check that extends the lifespan of the hardest-working appliance in your home.
1. Musty Smell
If you turn on the AC and smell something musty or like damp clothes, it's a sign of mold and bacteria accumulating in the evaporator coil.
2. Abnormally High Electricity Bills
When dust clogs the filters and coils, the AC must work harder (overload) to produce the same cooling. The result is skyrocketing electricity bills without you realizing it.
3. Weak or Uneven Airflow
If the airflow is weak or intermittent even at the highest fan speed, the blower wheel is likely clogged with dust, preventing air from passing through.
4. Water Dripping/Leaking
A "crying AC" is usually caused by a blocked drain pan due to slime and dust. If left unchecked, it can damage wallpaper or furniture, and may even cause electrical short circuits.
5. Unusual Noises
Rattling or vibrating sounds from the outdoor unit may be caused by dust buildup on fan blades causing imbalance, or the motor working too hard.
Tip from the AC Doctor
Cleaning your AC every 6 months can save more than 10-15% on electricity bills and reduce the risk of sudden AC failure during summer by up to 80%!
Regular AC cleaning is good, but an annual checkup is what separates an AC that is "just cool" from one that is "in perfect condition." If AC were a human body, cleaning is like bathing, but the annual checkup is like a blood test and internal system check.
Why is an annual checkup necessary?
Electrical System Check (Safety First)
Inspect wire connections and electrical current (Amp). Loose connections or deteriorated wiring are the main cause of electrical short circuits.
Refrigerant Level Check
If levels drop, there is a leak. Leaving low refrigerant causes the compressor to overwork and burn out (repair costs in the thousands!).
Compressor Inspection (Heart of the AC)
Check sounds, vibrations, and heat dissipation to prevent sudden failure when you need cooling the most.
Energy Efficiency Improvement
An AC that has been tuned up with calibrated sensors can actually reduce electricity bills by 10-20%.
Dr-Aircare Checklist
Electrical Audit: Check current, wiring, and capacitor
Gas Leak Test: Check joints for leaks and refrigerant level
Mechanical Inspection: Check fan blades, motor, and bearings
Drainage System: Check slope and blockages in drain pipe
Professional Consultation: Summary and area-specific recommendations
"Investing a few hundred in a checkup today can save thousands in repair costs tomorrow."
Myth #1: "Refrigerant needs regular refills, like engine oil in a car"
Fact: The AC system is a sealed system. Refrigerant circulates in copper pipes continuously and does not evaporate. If you need a refill, it means the system has a leak.
5 Signs of Genuinely Low Refrigerant
AC blows air but not cold: Runs for a long time but room temperature does not drop.
Ice on evaporator coil or copper pipes: Too little refrigerant causes abnormal expansion.
Outdoor unit fan spins but air is not warm: No refrigerant to carry heat from the room.
Oil stains at pipe joints: Compressor oil leaking through the leak points.
Hissing or air leak sounds: Audible around the coil or copper pipes.
Don't refill yet! Clean the AC first
80% of AC cooling issues are caused by dirt, not low refrigerant. A good technician will clean the AC first, then do a pressure check. Only if levels are still low after cleaning should leak detection and refilling proceed.
Dr-Aircare Refrigerant Refill Standards
Leak Detection: Find and repair the leak first.
Vacuum: Remove air and moisture before refilling.
Precise Charging: Refill to manufacturer specs exactly — overfilling damages the compressor.
Moving homes or renovating? AC relocation is a major task. Many think it's just removing from one wall and mounting on another, but in engineering terms, relocation carries high risks if the technician lacks expertise.
3 Major Risks of Improper AC Relocation
Refrigerant Leak: If Pump Down is not performed to store refrigerant before removal, you will need a complete refill.
Kinked Pipes: Copper pipes are fragile. Improper bending or rolling blocks the refrigerant path, causing the compressor to burn out.
Incomplete System: Reinstalling without vacuum to remove air from the system causes slow cooling and energy waste.
Dr-Aircare Relocation Steps
Professional Pump Down
Run the unit and use pressure gauges to store all refrigerant back into the outdoor unit.
Pre-Move Inspection
Assess the condition of copper pipes and pipe insulation. If deteriorated, recommend immediate replacement.
New Location Audit
Verify indoor unit has no airflow obstruction, outdoor unit has good ventilation, and future servicing is accessible.
Installation & Vacuum
Use a vacuum pump to remove 100% of moisture and air before opening the refrigerant system, ensuring pure cooling and compressor protection.
Dr-Aircare Recommendation
If you need to relocate your AC, we recommend doing a deep cleaning at the same time. Since the unit is already disassembled, the technician can easily clean hard-to-reach areas — saving you money and effort!
Free on-site assessment
Installation warranty after relocation
Professional team with complete tools