Aircon Chemical Overhaul Prices in Singapore: 12 Companies
Guide · Published 13 October 2026
Reviewed and approved by a NearbyWise editor before publishing. Every fact is checked against the business's own website. How we check
Chemical wash and chemical overhaul are two different services, and the names are easy to confuse. A chemical wash cleans the cooling coil and drain with chemical solution, usually with the indoor unit left on the wall. A chemical overhaul goes further: the indoor unit is taken down and dismantled, and each part is chemically cleaned separately before it is reassembled. Below are 12 companies in the order ranked by our method, with the overhaul prices each one publishes. Check whether a price is a starting figure, depends on unit size or falls when you book several units.
1. LM Brothers Aircond Pte Ltd
LM Brothers Aircond lists a chemical overhaul at $130 for the first unit and $88 for each additional unit. It states a 90-day workmanship warranty on every job. The company covers anywhere in Singapore with no travel charge. Bookings are by WhatsApp, with details and a photo of the unit. Stated hours are 8am to midnight every day, including public holidays.
| Stated price | General servicing $50 per unit (or $20 per unit for 6+ units), chemical overhaul $130 first unit and $88 each additional unit, repair $50 call-out fee (waived if work proceeds) |
| Stated price | $50 for one unit, $20 a unit at 6 units |
| Warranty | 90-day workmanship warranty on every job |
| Response time | Same-day servicing subject to team availability, otherwise next available slot usually following day |
| Brands serviced | Daikin, Mitsubishi, National, Sanyo and other brands |
| How to book | WhatsApp or full price list |
- Service area: Anywhere in Singapore, with no travel charge; Anywhere in Singapore with no travel charge
- Hours: 8am to midnight, every day including public holidays; 8am to midnight every day including public holidays
- Phone: 8193 8336 (from Google)
- Website: lmaircond.com
More about LM Brothers Aircond Pte Ltd
2. Aircon Servicing & Repair Singapore
Aircon Servicing & Repair Singapore lists chemical overhaul from $130 per unit and chemical wash from $80 per unit. It describes its chemical overhaul as dismantling the full fan coil and chemical-washing every part individually, with a free gas top-up included. Its chemical wash is described as a deeper clean including a full general service. Its price list adds $30 per unit for 24,000 BTU single-split units. It serves all of Singapore.
| Stated price | Chemical overhaul from $130 per unit |
| Stated price | Annual contract: 1 unit $160, 2 units $240, 3 units $300, 4 units $360, 5 units $400, 6 units $480 per year |
| Warranty | 30/60-days labour warranty on aircon repair |
| Response time | Same-day appointments available, usually within hours of message |
| Brands serviced | Daikin, Mitsubishi, Panasonic, Midea, Hitachi, Toshiba |
| How to book | WhatsApp or phone call |
- Service area: All of Singapore; Every neighborhood in Singapore
- Hours: Mon–Sun 7:00 AM – 11:00 PM (from Google)
- Phone: +65 9855 3721
- Website: aircon-service.com.sg
More about Aircon Servicing & Repair Singapore
3. Cool Channels Engineering Pte Ltd
Cool Channels Engineering lists its fan coil chemical wash overhaul from $150 per unit for 9-12 Btu units and from $180 per unit for 18-24 Btu units. It states a 90-day warranty for water leakage issues arising from the serviced unit. Stated hours are Monday to Saturday 8:30am to 10pm and Sunday 8:30am to 5pm. It lists all regions in Singapore as its service area.
| Stated price | 9-12 Btu Fan Coil Chemical Wash Overhaul From $150/unit |
| Stated price | 18-24 Btu Fan Coil Chemical Wash Overhaul From $180/unit |
| Warranty | Workmanship support for completed servicing, repair, and installation works; technicians will assess and assist if issues related to the serviced area recur shortly after the visit |
| Response time | 1 to 3 hours per unit depending on size and complexity |
| Brands serviced | Daikin, Mitsubishi Electric, Panasonic, Samsung, LG, Fujitsu, Toshiba, Hitachi, Midea |
- Service area: Singapore including HDB flats, condominiums, offices, and commercial spaces across the island; Singapore (islandwide)
- Hours: Available 7 days a week; Monday to Saturday 8:30am to 10pm, Sunday 8:30am to 5pm
- Phone: 6258 8400 (from Google)
- Website: coolchannels.com.sg
More about Cool Channels Engineering Pte Ltd
4. Jetstyle Aircon
Jetstyle Aircon lists chemical overhaul at $130-$150 per unit. It notes that multi-split servicing ranges $90-$150 and that chemical overhauls may be higher. It states a 90-day workmanship and service warranty on top of the manufacturer warranty. Stated hours are Monday to Saturday 8AM to 8PM, closed on Sundays and public holidays. It can be reached on +65 6969 7779.
| Stated price | Chemical overhaul $130-$150 per unit |
| Stated price | Mid-level services range from $50-$70 per unit |
| Warranty | 90 days workmanship and services warranty |
| Brands serviced | Mitsubishi, Daikin, Panasonic, Toshiba, LG, Fujitsu, Midea |
- Service area: Singapore
- Hours: Monday-Saturday 8AM-8PM, Sunday and Public Holidays closed; Monday to Saturday 8AM to 8PM, Sunday and Public Holidays closed
- Phone: +65 6969 7779
- Website: jetstyle.com.sg
5. StringsSG Singapore
StringsSG lists chemical wash from $82.80 and chemical overhaul from $149.04. Its aircon services also include general servicing, gas top-up, ceiling cassette servicing and condenser cleaning. It covers HDB flats, BTO and resale units, condominiums and commercial premises island-wide.
| Stated price | Chemical wash starts at $82.80, chemical overhaul starts at $149.04 |
| Warranty | 30 days warranty on general servicing and repair, 60 days on chemical wash and chemical overhaul and drainage work, 90 days on refrigerant gas top-up |
| Response time | Same-day and emergency servicing available, 8am to 10pm daily |
| Brands serviced | Daikin, Mitsubishi Electric, Mitsubishi Heavy Industries, Panasonic, Midea, LG, Samsung, Fujitsu, Hitachi, Toshiba, York, Haier, Gree, Prism+ |
| How to book | Web or mobile app |
- Service area: Island-wide Singapore including HDB flats, BTO and resale units, condominiums and commercial premises
- Hours: 8am to 10pm daily, including weekends
- Phone: +65 9351 2695
- Website: stringssg.com
More about StringsSG Singapore
6. Letscool Aircon and Services
Letscool Aircon and Services lists aircon chemical overhaul from $90 per unit. Chemical wash is listed from $60 per unit. It states a workmanship warranty on chemical overhaul services. Other services include steam cleaning, gas top-up, repair and emergency aircon servicing. General service is $30 for a single unit or $25 per unit for 2 or more units.
| Stated price | Aircon chemical overhaul from $90 per unit |
| Stated price | Per unit $90 (prices vary depending on BTU) |
| Warranty | Service warranty provided covering workmanship-related issues |
| Response time | 24/7 call available, aims to arrange technician as quickly as possible |
| Brands serviced | All major brands including Mitsubishi Electric, Daikin, Panasonic, Midea, Toshiba, LG, Fujitsu, Haier, York, Hitachi, Gree, Mitsubishi Heavy Industries |
| How to book | Call or WhatsApp at 9862 3678 |
- Service area: Singapore
- Hours: Mon–Sun Open 24 hours (from Google)
- Phone: 9862 3678
- Website: letscoolaircon.com.sg
More about Letscool Aircon and Services
7. Affordable Aircon Services Pte Ltd
Affordable Aircon Services lists chemical overhaul servicing at $107.91, marked as limited time only. Its annual contract of four general services a year comes with a free gas top-up worth $130.80. It services most brands and models of air conditioners. Troubleshooting is from $50 nett. Contact numbers are 9161-3535 and 9006-1990.
| Stated price | Chemical Overhaul servicing $107.91 (Limited time only) |
| Stated price | Annual Contract (1 year 4 times) General Service: 3 units $287.76 total ($23.98 per unit) or $261.60 with 10% off |
| Warranty | Warranty registration and after-sales support provided as part of aircon installation service |
| Brands serviced | Most brands and models of air conditioners |
| How to book | Phone, WhatsApp, or online contact form for scheduling free site assessment |
- Service area: Singapore
- Hours: Mon–Sat 9:00 AM – 6:00 PM; Sun Closed (from Google)
- Phone: 9161-3535
- Website: affordable-aircon.com.sg
More about Affordable Aircon Services Pte Ltd
8. TJ Aircon Engineering
TJ Aircon Engineering lists chemical overhaul at $150 for one unit and $130 per unit for 2 units and above. Chemical wash is $80 for one unit and $60 per unit for 2 units and above. Normal servicing is $40 for one unit. It states it covers all over Singapore within the same day. It also offers yearly maintenance contracts.
| Stated price | Chemical Overhaul: $150 per unit (1 unit) |
| Stated price | Chemical Overhaul: $130 per unit (2 units and above) |
| Warranty | Best quality workmanship with warranty |
| Brands serviced | All brands of air-conditioning units |
| How to book | Phone call for free quotation |
- Service area: All over Singapore within the same day
- Hours: Mon–Sun 9:00 AM – 6:00 PM (from Google)
- Phone: +65 9478 2638
- Website: tjaircon.com.sg
More about TJ Aircon Engineering
9. Coolcare Aircon Service
Coolcare Aircon Service lists chemical overhaul at $90 for one unit, rising to $360 for four units. Chemical wash is $60 for one unit and $240 for four. It states a 90-day workmanship warranty for its chemical overhaul service. Other services include steam cleaning and compressor chemical wash. Booking is by online form, WhatsApp or phone call.
| Stated price | General Service: Unit 1 $30 + Transport, Unit 2 $50, Unit 3 $75, Unit 4 $100; Steam Cleaning: Unit 1 $40, Unit 2 $80, Unit 3 $120, Unit 4 $160; Chemical Wash: Unit 1 $60, Unit 2 $120, Unit 3 $180, Unit 4 $240; Chemical Overhaul: Unit 1 $90, Unit 2 $180, Unit 3 $270, Unit 4 $360 |
| Stated price | $30 + Transport |
| Warranty | 30 to 90 days workmanship warranty for services; 2 years workmanship warranty for installation |
| How to book | Online form, WhatsApp, or phone call |
- Service area: All locations in Singapore; HDB/BTO, commercial, condominium, landed properties
- Hours: Mon–Sun Open 24 hours (from Google)
- Phone: 9023 5452 (from Google)
- Website: coolcare.com.sg
More about Coolcare Aircon Service
10. Great Aircon- Aircon Servicing Singapore
Great Aircon lists chemical overhaul cleaning at $120-$150 for 9000-12000 BTU units and $150-$200 for 18000-24000 BTU units. A system check and troubleshooting visit is $25, inclusive of transportation and checking charges. It states a 1-year warranty on spares and a 5-year warranty on compressors. Its address is MidView City, 22 Sin Ming Lane #06-76, Singapore 573969.
| Stated price | Chemical overhaul cleaning 9000-12000 BTU at $120-$150 |
| Stated price | Chemical overhaul cleaning 18000-24000 BTU at $150-$200 |
| Warranty | 1 year warranty on Spares |
| Brands serviced | All brands |
- Service area: Singapore
- Hours: Mon–Fri 9:00 AM – 6:00 PM; Sat 9:00 AM – 6:00 AM; Sun Closed (from Google)
- Phone: +65 8661 6634
- Website: greataircon.com
More about Great Aircon- Aircon Servicing Singapore
11. Cool Aircon
Cool Aircon lists chemical overhaul from $150. It describes the overhaul as taking the indoor unit apart and cleaning every part separately. Its chemical wash cleans the cooling coil and drain without taking the unit down. One-time general servicing is $55 for one unit. It states island-wide coverage across Singapore.
| Stated price | From $150 (chemical overhaul) |
| Stated price | Bi-annual package 2 visits/year for 4 units: $175/year |
| Response time | Reply to WhatsApp and call enquiries within 2-4 hours |
| Brands serviced | Daikin, Mitsubishi, Panasonic, LG and more |
| How to book | WhatsApp or phone call |
- Service area: Island-wide coverage across Singapore
- Hours: 8am to 10pm daily including weekends and public holidays; 8am to 10pm daily, 7 days a week
- Phone: 9778 8986 (from Google)
- Website: coolaircon.sg
12. 2cool Air Conditioning Pte Ltd
2cool Air Conditioning lists chemical overhaul from $150 per unit and chemical wash from $80 per unit. Gas top-up is from $60 for R22 and from $80 for R410A. Its services include aircon servicing, repair and installation. It lists its service area as across Singapore. Its repair prices include water leak repair from $60.
| Stated price | Chemical Overhaul from $150 per unit |
| Stated price | Chemical Wash from $80 per unit |
| Response time | Same-day service available |
| Brands serviced | All brands and models |
- Service area: Across Singapore
- Hours: Mon – Sun: 8am – 9pm, including public holidays with no surcharge
- Phone: 9643 9405 (from Google)
- Website: 2coolairconditioning.netlify.app
More about 2cool Air Conditioning Pte Ltd
Frequently asked questions
What is the difference between a chemical wash and a chemical overhaul?
A chemical wash cleans the cooling coil and drain with chemical solution, usually with the indoor unit left in place. A chemical overhaul goes further: the indoor fan coil is dismantled and each part is chemically cleaned separately before reassembly.
How much does an aircon chemical overhaul cost in Singapore?
Letscool lists chemical overhaul from $90 per unit. Cool Aircon and 2cool list it from $150. Great Aircon prices by unit size, at $150-$200 for 18000-24000 BTU units.
Is a chemical overhaul cheaper per unit if I have several aircons?
LM Brothers Aircond lists $130 for the first unit and $88 for each additional unit. TJ Aircon Engineering lists $150 for one unit and $130 per unit for 2 units and above.
Does a chemical overhaul come with a warranty?
Coolcare Aircon Service states a 90-day workmanship warranty for its chemical overhaul service. LM Brothers Aircond states a 90-day workmanship warranty on every job.
How we chose these companies
We ranked every aircon servicing business in our database that states the relevant service on its own website. The ranking combines the business's Google rating, adjusted for how many reviews it has, how many of the facts this guide needs the business publishes, and how recently we checked them. Every price, warranty and service listed here comes from the business's own website. NearbyWise has not used these services, and no business paid to be included. Prices change, so confirm with the company before you book. How we rank · Report a correction
Facts last checked against each company's website on 7 October 2026.