SG Aircon Guide
Menu
Request a quote

One One Air-Conditioning Engineering Pte Ltd

Updated 2026-11-15 · 2,731 reviewed · 637 listed · Scored from 22 Google reviews · How we rank ›

5.0(22) 78 composite score See reviews on Google ✓ Google-verified
Aircon InstallationAircon Maintenance ContractsAircon Servicing & RepairGas Top-Up & Chemical CleaningHDB & Condo Aircon Specialist
One One Air-Conditioning Engineering Pte Ltd
Services
Aircon Installation, Aircon Maintenance Contracts, Aircon Servicing & Repair
Reviews
22
Ranking
#156 in Aircon Installation
Best for
Home owners wanting servicing and repairs with clear explanations and fair prices

Business data from Google Business Profile, checked 2026-11-15. Facts from the business's own website were fetched 2026-10-15.

What do recent reviews say?

Reviewers say the crew arrives quickly, explains faults in plain terms, and leaves the home neat. Several customers call the prices fair and say they would book again. No complaints appear in the recent reviews.

Joseph and Steven come up most often, along with Lee and Tan on a few servicing visits. One customer says the team advised only essential work. Others mention a leaking unit that was fixed and a cold-air problem that improved after servicing.

Praised for
  • Professional technicians
  • Quick response and scheduling
  • Reasonable pricing
  • Tidy work and clean-up afterward
  • Clear explanations of problems
professional-serviceskilled-techniciansresponsivequick-responsefair-pricinghonest-quotesclean-workmanshiptidy-installation
Best for: Home owners wanting servicing and repairs with clear explanations and fair prices
Think twice if: Reviews are few and mostly short, so detail on large or commercial jobs is limited.

What are they good at?

  • Professional technicians who explain faults clearly
  • Quick scheduling and turnaround
  • Tidy work with clean-up afterward
  • Reasonable pricing per reviews

Worth knowing

  • Technicians Joseph and Steven are named in many reviews
  • Lee and Tan are named in other servicing reviews
  • Website lists chemical wash, chemical overhaul and water leakage repair
  • Website states it also installs new and used units
  • Reviews mention a leaking unit that was fixed

What reviews say by service

Aircon Servicing & Repair
Reviewers praise diagnosis, repairs and thorough servicing visits.
Gas Top-Up & Chemical Cleaning
Reviews mention a leak fix; chemical wash is listed on the website only.
HDB & Condo Aircon Specialist
Reviews mention home visits; website claims HDB and condo coverage.

How it compares

  • Rated 5 against a 4.56 average across the 370 aircon installation businesses listed here.
  • Has more Google reviews than 62% of the businesses in this directory.

How we scored this

How We Rank
Star rating 82
Review volume 59
Review recency 100
Review sentiment 81
Profile completeness 75
Verification 30

Rating breakdown

5
22
4
0
3
0
2
0
1
0

FAQ

What are the opening hours?
Google lists Mon-Sat 09:00-18:00, and Sunday closed.
Do they install new units?
Their website says they install new and used aircon units.
Request a quote

Similar air conditioning contractors nearby

Lion City Air Conditioner Services Pte Ltd
91

Lion City Air Conditioner Services Pte Ltd

5.0(2411)✓ Google-verifiedPublishes prices

Reviewers say the team arrives on time and cleans units thoroughly. Several customers say the technicians walk them through the work and explain how to run the aircon better, such as setting the fan speed to stop water build-up. The service is mostly praised by name: Asad and Rana, Nazrul, Zaherul, Abu and Rafi, and Jaherul. Some first-time customers say they plan to book again. One reviewer praised the lack of hard-selling. Few reviews mention weak points, and the text is short and informal.

Aircon Servicing & RepairAircon InstallationGas Top-Up & Chemical Cleaning
View profile
Local Service Pte Ltd
89

Local Service Pte Ltd

4.9(536)✓ Google-verified

Local Service Pte Ltd holds a 4.9 rating from 536 Google reviews, with 93% five-star. Reviewers say jobs finish quickly and the crew arrives on time. Many praise the team as skilled, friendly, and fairly priced. Most of the recent reviews cover home fixes rather than aircon work. Jobs include sliding door rollers, lock cylinders, window handles, a bathroom door, and a fire door. One reviewer used them for an urgent door replacement, done two days later. Vincent, the boss, and technician Wei Zhong are named.

Aircon Servicing & RepairAircon InstallationGas Top-Up & Chemical Cleaning
View profile
Aircon Rescue Pte Ltd
89

Aircon Rescue Pte Ltd

4.9(284)✓ Google-verifiedPublishes prices

Reviewers keep returning to the same points: the crew shows up fast, explains what the aircon needs, and skips the sales pitch. Several say they booked again or plan to. Leak checks and full cleaning jobs come up often, and reviewers praise the team for not cutting corners. Installation jobs get the most mention in these reviews. Kabir is named most often, with reviewers praising his work on multi-room and wardrobe-linked fittings. Other reviewers mention Hossein, Sheikh, Saher, and Selvan and Ravi, mostly for servicing. Most reviews are short, and complaints are absent from the set provided.

24/7 Emergency Aircon RepairGas Top-Up & Chemical CleaningAircon Maintenance Contracts
View profile

Own this business? Get featured

Own or market a business here? Ask about featured placement and advertising on this directory. Your message goes straight to the directory team.

Last updated 2026-11-15