Trusted aircon specialists for homes and offices. General service, chemical wash, gas top-up, repair and installation — done right, on time.
What we do
From routine servicing to deep chemical cleaning and full installation — one team for every unit type.
Filter clean, coil wipe-down, drainage check and performance test. Ideal every 3–4 months.
From $25 / unit
Deep clean of indoor coil with chemical solution. Restores airflow and cooling efficiency.
From $80 / unit
Full dismantle and soak clean for heavily clogged units. Best for stubborn leaks and odour.
From $150 / unit
Refrigerant check and top-up for weak cooling. Includes pressure test where applicable.
From $60
Water leaking, not cold, noisy fan, error codes — we diagnose and fix common faults.
Diagnosis on-site
New unit install, replacement and shifting. System 1 to multi-split — ask us for a quote.
Free quote
Transparent rates
No hidden charges. Final price confirmed before work starts. Multi-unit discounts available.
Routine clean & check
Deep coil cleaning
Full dismantle clean
Prices are indicative and may vary by unit type, access and condition. WhatsApp us for an exact quote.
Why AOT
We keep it simple: clear pricing, skilled technicians, and fast response via call or WhatsApp. Homes, condos and offices across Singapore.
Reviews
“Booked chemical wash for 3 units. Came on time, explained everything, and the aircon is cold again. Fair price.”
“WhatsApp reply was fast. Fixed our leaking unit the same afternoon. Will use AOT again for servicing.”
“Office maintenance-style service — punctual and tidy. Good value for multi-split units.”
FAQ
Tell us your unit count and preferred time — we’ll get you booked quickly.
Fill in the form — we’ll open WhatsApp with your message ready to send.