轉季前夕必洗冷氣
轉季前夕，天氣逐漸由炎熱轉向涼爽，冷氣使用頻率開始下降。許多家庭在這個時候容易忽略冷氣保養，認為暫時用得少便無需處理。其實，經過整個夏天的高強度運轉，冷氣機內部往往已積聚大量灰塵與霉菌。把握轉季前夕進行清洗，能有效清除積污、恢復效能，並為來年使用做好準備。
9 October 2026
🔥Limited Offer2+ units enjoy 30% off
Professional AC Cleaning Fresh Air, Clean Living
AC Master provides professional, reliable AC cleaning services to restore your air conditioner to peak performance.
$450/unit when cleaning 10 or more units together.
8,000+
Satisfied Clients
99%
Approval Rate
5+
Years of Experience
24hr
Quick Response
Services & Pricing
Professional AC Cleaning Services
Transparent pricing, no hidden fees. Enjoy discounts when cleaning 2 or more units.
Window AC Cleaning
$750/unit
30 mins
- Full disassembly deep clean
- Pre-cleaning inspection
- High-pressure water jet cleaning
- AC coil disinfection treatment
- 30% off for 2+ units
Most Popular
Split AC Cleaning
$750/unit
30 mins
- Pre-cleaning inspection
- High-pressure water jet cleaning
- AC coil disinfection treatment
- Outdoor unit not included
- 30% off for 2+ units
Ceiling Cassette AC Cleaning
$980/unit
45-60 mins
- Pre-cleaning inspection
- Indoor unit body included
- Outdoor unit not included
- AC coil disinfection treatment
- 30% off for 2+ units
Ducted AC Cleaning
$1330/unit
45-60 mins
- Pre-cleaning inspection
- Indoor unit body included
- Outdoor unit not included
- AC coil disinfection treatment
- 30% off for 2+ units
Concealed AC Cleaning
$780/unit
45-60 mins
- Pre-cleaning inspection
- Indoor unit body included
- Outdoor unit not included
- AC coil disinfection treatment
- 30% off for 2+ units
Why Choose AC Master
Trusted Professional Service
Professional Guarantee
All technicians are rigorously trained and experienced, ensuring thorough and safe cleaning.
Fair Pricing
Transparent pricing with no hidden fees. Special discounts for multiple units.
Damage Compensation
We stand behind our service. If cleaning causes damage, we guarantee compensation.
90-Day Drip & Leak Warranty
Free follow-up service for any dripping or leaking issues within 90 days after cleaning.
Benefits of AC Cleaning
Why Should You Clean Your AC Regularly?
Regular cleaning not only makes your AC cooler but also protects your family's health and saves on electricity bills.
Health Protection
Remove mould, dust mites and bacteria to reduce allergens and protect respiratory health.
Save on Electricity
Improve cooling efficiency and reduce unnecessary power consumption, saving more each month.
Reduce Noise
Clear dust blockages and resolve operational noise caused by compressor high pressure.
Extend Lifespan
Regular maintenance reduces breakdown rates and extends your AC unit's service life.
Air Quality95%
Cooling Efficiency92%
Energy Efficiency88%
Customer Reviews
What Our Customers Say
5.0·200+ five-star reviews from satisfied customers
Feb 2026
The technician was punctual and very thorough. The AC is much cooler now and the musty smell is completely gone. Very satisfied!
Mr. Chan
Tseung Kwan O｜Split AC Cleaning
Jan 2026
This is the second time using AC Master. The service is consistently excellent, the technician was polite and the AC is spotlessly clean.
Mrs. Lee
Sha Tin｜Window AC Cleaning
Jan 2026
My AC always had a bad smell before. After cleaning, it's completely gone. The technician even carefully explained the whole process. Highly recommend!
Ms. Wong
Tsuen Wan｜Split AC Cleaning
Dec 2025
Fair pricing, professional service. The technician arrived on time and even cleaned up the area after. Highly recommended.
Mr. Cheung
Kwun Tong｜Window AC Cleaning
Dec 2025
Had three AC units cleaned at once with a discount. The technician was fast but not careless. Very happy!
Mrs. Wong
Tuen Mun｜Split AC Cleaning
Nov 2025
Our office central AC hadn't been cleaned in ages. After AC Master cleaned it, the performance improved dramatically. All colleagues noticed it was much cooler.
Mr. Lau
Tai Po｜Central AC Cleaning
Brand Partners
Compatible with All Major AC Brands
Our technicians are familiar with the structure of all major AC brands, providing the most professional cleaning and repair services.
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Our Clients
Trusted Across Industries
From social welfare organisations to commercial brands, clients across all industries choose AC Master for reliable AC cleaning and repair services.
FAQ
Common Questions
How often should I clean my AC?
For residential AC units, including split and window types, we recommend cleaning every 6 to 12 months to ensure proper operation. For offices, shops or commercial premises, we recommend cleaning every 6 months on average.
What should I do if my AC has a musty or unpleasant smell?
When your AC produces an odour at higher temperature settings that dissipates when you lower the temperature, it's usually because dust and microorganisms have accumulated inside the unit, forming mould. Once you notice an odour, we recommend scheduling a cleaning immediately to avoid inhaling harmful substances.
How long does the cleaning process take?
Window and split AC cleaning typically takes about 30 minutes, while ceiling cassette, ducted, concealed and central AC units take about 45-60 minutes. We perform a pre-cleaning inspection, high-pressure water jet cleaning, and professional coil disinfection treatment. Actual time depends on the level of dirt and the unit's location.
Is there a warranty after cleaning?
Yes! We offer a 90-day drip and leak warranty. If you notice any dripping or leaking issues after cleaning, we'll arrange for a professional technician to come back and resolve the problem at no extra charge.
Serving All 18 Districts in Hong Kong
AC Master serves Hong Kong Island, Kowloon and the New Territories. Wherever you are, we can provide professional AC services.
Blog
AC maintenance tips, cleaning techniques and energy-saving advice
Ready for Fresh Air?
Book a professional cleaning service now and rejuvenate your AC unit. Special discounts for multiple units!