5 Best Air Duct Cleaning Services in Bangkok

Bangkok's air pollution doesn't stop at your front door. Dust, mould spores, and allergens accumulate inside your air conditioning ducts, circulating through your home every time the AC runs. If you've noticed musty smells, increased allergies, or uneven cooling, dirty air ducts could be the cause. These five services specialise in getting them clean.

1. Khun Clean

Website: khunclean.com

Book via LINE: @khunclean

Rated 5 stars on Google Reviews, Khun Clean offers air duct deep cleaning as part of its broader home cleaning and pest control services. Uses eco-friendly methods safe for families with children and pets. A good choice if you want duct cleaning combined with pest treatment in one visit — since dirty ducts often harbour cockroaches and other pests. Serves Bangkok, Samut Prakan, and Nonthaburi.

2. IAQ Technologies (Thailand)

Location: Soi Ramkhamhaeng 60/4, Bangkapi

Website: iaq-thailand.com

Thailand's indoor air quality market leader since 2001, with Australian roots dating back to 1971. The first company to offer HVAC cleaning and sanitisation in Thailand. Their signature "Air Knife" technology navigates complicated bends, round or rectangular ducts, and vertical sections. HEPA filtration captures all dislodged particles. Currently offers a free "Air-Check System" service with duct cleaning orders. Serves both residential and commercial clients nationwide.

3. Air-Tech Engineering

Location: Mahapruttaram Road, Bangrak

Website: airtechthailand.com

Established in 2003, Air-Tech is a dedicated air duct cleaning specialist (not a general cleaning company). Uses proprietary "Air-Tech T5 Technology" with robotic pre- and post-service inspection of ductwork. Operates under NADCA-equivalent standards with all staff certified for confined-space work. Also offers IAQ laboratory testing and consulting. Primarily commercial clients including hotels, hospitals, and offices.

4. Clean Air Thailand

Website: cleanairthailand.com

A British-operated company specialising in UV-C ultraviolet disinfection and indoor air quality solutions. Rather than mechanical duct cleaning alone, they focus on biological remediation — using UV-C and ozone equipment to eradicate bacteria, viruses, and mould within HVAC systems. Also performs scientific IAQ testing. A strong option when microbial contamination is your primary concern. Mainly serves commercial buildings.

5. bTaskee

Website: btaskee.com

While primarily known as a home cleaning app, bTaskee also offers AC and air duct cleaning services through their vetted "Taskers." A convenient, affordable option for residential air duct maintenance — book in 60 seconds through the app. Covers Bangkok and surrounding provinces. Best for routine residential duct cleaning rather than complex commercial systems.

Pests Love Dirty Air Ducts

Air ducts provide a highway for cockroaches, ants, and other pests to move between rooms — and between units in condo buildings. The dark, warm, humid environment inside ductwork is ideal for cockroach nesting. You might hear them scurrying at night, or find droppings near AC vents.

Clean ducts are the first step, but you also need to treat the pest problem at its source. Khun Clean's natural cockroach treatment includes applying food-grade diatomaceous earth around AC vents, duct entry points, and the wall cavities where pests travel — cutting off their route through your home.

Book a combined duct inspection and pest check to tackle both problems at once.