The best air-con servicing companies in Singapore

BCA's directory lists Gain City Engineering (M&E) Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L5, to 1 July 2028, as read on 7 October 2026. A second company at the same address, Gain City Digital Innovations Pte Ltd, is listed under ME01 at grade L1 to 1 April 2029.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names a Gain City company as the sponsoring company of 75 technicians, as read on 7 October 2026: 60 under "Gain City", 6 under Gain City Best-Electric Pte Ltd, 5 under Gain City Engineering (M&E) Pte Ltd, 3 under Gain City Eco Pte. Ltd. and 1 under Gain City Digital Innovations Pte Ltd. The list shows who sponsored each technician for the course, not where the technician works now.

The enquiry form on its site names Gain City Best-Electric Pte Ltd (registered on 21 July 1993), a different company from the one in BCA's directory; both are registered at Ang Mo Kio Industrial Park 2, Singapore 569500.

Sells one-year servicing contracts at listed prices: S$128 for two visits to two fan coil units, S$176 for two visits to three units and S$264 for three visits to three units (units below 24,000 BTU), as listed on 7 October 2026. It says the routine service does not include a chemical wash or servicing of the condenser unit.

Publishes the terms of a one-year repair warranty: a repair and the parts replaced are covered against poor workmanship and defects for 12 months from the date of repair. Exclusions include normal wear and tear and water leakage due to a blocked drainpipe under normal use.

Says it imposes no surcharge for air-conditioner servicing at night, on Sundays or on public holidays, with blackout dates over the Chinese New Year period. Its customer service line is listed as a 24/7 helpline.

Lists showrooms open from 11 am to 10 pm, among them Ang Mo Kio, Sungei Kadut and Marina Square, and five stores that sell air-conditioners only.

Says it was established in 1981 as an air-conditioner retailer. ACRA's dataset shows a business named Gain City Air Conditioning & Refrigeration Service registered on 6 March 1981, since terminated, and Gain City Engineering (M&E) Pte Ltd registered on 30 March 1996.

BCA's directory lists Natural Cool Airconditioning & Engineering Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L6, the highest of the six grades, to 1 July 2029, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Natural Cool Airconditioning & Engineering Pte Ltd as the sponsoring company of 38 technicians, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Publishes yearly contract prices before GST: servicing every three months costs S$248 a year for two fan coil units, S$312 for three and S$384 for four; servicing every two months costs S$360, S$414 and S$528.

Publishes its conditions of service. They allow a surcharge for work outside normal working hours, which they define as Monday to Friday, 8.30 am to 5 pm, and Saturday, 8.30 am to 12.30 pm, and they say the company does not warrant that the system will be free of defects after servicing.

Its main site gives the service and installation line's hours as Monday to Saturday, 8.30 am to 5.30 pm; its servicing site gives operating hours of Monday to Friday, 8.30 am to 6 pm, and says contract work is carried out from 9 am to 5.30 pm, Monday to Saturday.

Says it was incorporated in 1993 and has 300 employees; the company was registered on 3 December 1993.

Says it serves homes and offices, and that its customers come from the public, private and commercial sectors.

BCA's directory lists Coolserve Air-Condition Engineering as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, to 1 December 2026, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Coolserve Air-Condition Engineering as the sponsoring company of 22 technicians, one of them under a misspelt form of the name, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Lists a general service at S$50, a chemical service at S$180 to S$450, a gas top-up at S$120 to S$150 and a maintenance contract at S$120 to S$300, and offers a free check and inspection.

Says it backs its work and parts with a one-year warranty. Its warranty policy page states a three-year workmanship warranty on installations it carries out.

Office hours are Monday to Friday, 8.30 am to 6 pm, and Saturday, 8.30 am to 12.30 pm; field hours are Monday to Sunday, 9 am to 6 pm.

Says it was founded on 1 January 1996 and had 15 teams of technicians at the end of 2023; the business was registered on 19 December 1995. Its site prints its registration number, which matches the register.

BCA's directory lists Billy Air-Conditioning & Electrical Engineering as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, to 1 May 2027, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Billy Air-Conditioning & Electrical Engineering as the sponsoring company of 14 technicians, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

States its UEN and its BCA grade on its own site; both match the registers.

Publishes a price list before GST for standard wall-mounted units: S$50 for one unit, S$55 for two, S$70 for three and S$85 for four. A chemical wash is S$80 to S$100 a unit, a chemical overhaul S$130 to S$180, and a yearly contract of four visits starts from S$200 for two units.

States a 90-day workmanship warranty on every service, with a free return visit if something is not right.

Works Monday to Saturday, 9 am to 6 pm. It says it has no shopfront and comes to the customer anywhere on the island.

Takes on HDB flats, condominiums, landed homes and commercial premises.

Says it has served Singapore since 2003 and has a team of 26 technicians; the business was registered on 14 June 2003.

BCA's directory lists Twin City Air-Conditioning Engrg as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, and under CR01 (Minor Construction Works), both to 1 April 2029, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Twin City Air-Conditioning Engineering as the sponsoring company of 26 technicians, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Publishes no servicing prices: its rates page says specific figures are not listed there. Its FAQ says an inspection on an ad-hoc call is charged, normally at S$50, and is free for contract customers between scheduled visits.

States a one-year workmanship warranty on installations. The pages read state no warranty period for servicing.

Opening hours are Monday to Saturday, 8.30 am to 5.30 pm; closed on Sundays and public holidays.

Says it serves residential, commercial and industrial customers.

Says it was founded in 1992 under another name and rebranded as Twin City in 1999; the business was registered on 27 July 1999.

BCA's directory lists Easy Cool Engineering Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, to 1 February 2029, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Easy Cool Engineering Pte. Ltd. as the sponsoring company of 13 technicians, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Publishes prices for general servicing of wall-mounted units: a single visit is S$70 for two units, S$90 for three and S$120 for four, and a contract of four visits is S$256, S$312 and S$416. A chemical wash is S$100 to S$120 a unit without dismantling and S$140 to S$160 with dismantling. The list does not say whether GST is included.

Says customers on a contract of three or four visits get a free inspection within one year of the contract date. The pages read state no warranty period.

Office hours are Monday to Friday, 9 am to 6 pm, and Saturday, 9 am to 2 pm; closed on Sundays and public holidays. It also lists a shop at Block 136 Bedok North Avenue 3, open from 11 am to 9 pm, seven days a week.

Says it works on residential and commercial air-conditioning, and also cleans washing machines and dryers.

Says it was established in 2016; the company was registered on 29 June 2016.

BCA's directory lists Skyzone Aircon Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, to 1 May 2028, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Skyzone Aircon Pte. Ltd. as the sponsoring company of nine technicians, as read on 7 October 2026. Six more are under Skyzone Aircon Engineering, a business registered in 2012 at the same building. The list shows who sponsored each technician for the course, not where the technician works now.

Publishes prices that it says include GST and transport: a one-time general service is S$43.60 for one fan coil unit, S$65.40 for two, S$81.75 for three and S$98.10 for four; a contract of four visits a year is S$218.00 for two units and S$239.80 for three. A chemical overhaul is S$152.60 or S$174.40 a unit, depending on size.

Charges a diagnosis fee of S$27.25, which it says it waives when the customer goes ahead with the repair.

States a 90-day workmanship warranty, on the scope of the service only.

Operating hours are Monday to Saturday, 9 am to 6 pm.

Prints its company registration number on its contact page; it matches the company in BCA's directory, which was registered on 27 January 2015.

BCA's directory lists Fortuna Air Conditioning & Electrical Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L5, to 1 May 2028, as read on 7 October 2026.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Fortuna Air-Conditioning & Electrical Pte Ltd as the sponsoring company of 14 technicians, under two spellings of the name, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Lists an air-con maintenance contract for HDB flats and condominiums among its services. Its site publishes no prices and no warranty terms.

Office hours are Monday to Friday, 8.30 am to 5.30 pm, and Saturday, 8.30 am to 12.30 pm; closed on Sundays and public holidays. It also lists a shop at 221 Holland Avenue, open Monday to Friday, 10 am to 6 pm.

Says it works on residential, commercial and industrial systems, and names condominiums, HDB flats and landed homes among its past work.

Says it was founded in 1974. The company was registered on 22 October 1999; ACRA's dataset also shows a business named Fortuna Air Conditioning and Electrical Company registered on 23 March 1977, since terminated.

BCA's directory lists Chan Brothers Air-Conditioning Engineering Pte Ltd as a registered contractor under workhead ME01 (Air-Conditioning, Refrigeration & Ventilation Works), grade L1, to 1 November 2028, as read on 7 October 2026. The directory gives its address as 31 Woodlands Close, #05-14 Woodlands Horizon, which is not the address on its site.

NEA's list of technicians who completed ITE's Certificate of Competency in Residential Air-Conditioning System (Refrigerant), updated as of June 2026, names Chan Brothers Air-Conditioning Engineering Pte. Ltd as the sponsoring company of four technicians, as read on 7 October 2026. The list shows who sponsored each technician for the course, not where the technician works now.

Publishes nett prices: a one-time service is S$50 for one fan coil unit, S$60 for two, S$70 for three and S$85 for four; a contract of four visits a year is S$200 for two units, S$216 for three and S$288 for four. A chemical overhaul is S$150 for one unit.

States a 90-day workmanship warranty on the scope of a one-time service, and for contract customers 365 days of cover against water leakage during the contract year, with free transport and inspection.

Office hours are Monday to Saturday, 8 am to 6.30 pm, with an emergency line from 7.30 am to 8 pm; closed on Sundays.

Says it has more than 20 years in air-con servicing and repair; the company was registered on 21 December 2012. Its site prints its company registration number, which matches the register.