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U Sin Air-conditioning Pte Ltd

Updated 2026-11-15 · 2,731 reviewed · 637 listed · Scored from 184 Google reviews · How we rank ›

4.8(184) 87 composite score See reviews on Google ✓ Google-verified
Aircon InstallationGas Top-Up & Chemical CleaningAircon Servicing & RepairHDB & Condo Aircon Specialist
U Sin Air-conditioning Pte Ltd
Location
Woodlands, Singapore
Services
Aircon Installation, Gas Top-Up & Chemical Cleaning, Aircon Servicing & Repair
Reviews
184
Ranking
#82 in Aircon Installation
Best for
Condo and HDB owners wanting neat piping and trunking work

Business data from Google Business Profile, checked 2026-11-15.

What do recent reviews say?

Reviewers often describe prompt visits, tidy trunking, and staff who explain options without pushing extra work. Several say the team cleaned up well after the job and kept to schedule on larger projects.

Named staff come up often, including Sanny, who coordinates projects, and technicians Edmund, Ah Wen, and Mr Raja. One reviewer found a blower left unremoved during a servicing visit. The business handled the follow-up, but that reviewer said the issue was resolved on their own.

Praised for
  • Neat trunking and clean installations
  • Punctual, professional technicians
  • Honest advice without hard selling
  • Patient, responsive coordination staff
Watch-outs
  • Servicing missed a stuck blower on one visit
  • Slow reply to a Friday enquiry
punctualresponsiveskilled-techniciansclean-workmanshiptidy-installationhonest-quotesprofessional-servicegood-after-sales-support
Best for: Condo and HDB owners wanting neat piping and trunking work
Think twice if: You need a fast reply on enquiries; one reviewer waited a few days.

What are they good at?

  • Neat trunking and pipe work
  • Honest advice, little hard selling
  • Named, experienced installation teams
  • Chemical wash and servicing

Worth knowing

  • Sanny coordinates projects and is named in several reviews
  • Ah Wen and Iskandar praised for BTO trunking routes
  • Edmund praised for a full-day install of five units and two condensers
  • Mr Raja praised for thorough cleaning and maintenance advice
  • Reviewer mentioned upgraded SWG21 copper pipe and Class 0 Armaflex insulation
  • Drainage pipe taped before tiling to prevent blockage

What reviews say by service

Aircon Installation
Praised for neat trunking, clean finishes, and careful work on condo and BTO installs.
Aircon Servicing & Repair
Praised for thorough cleaning; one visit left a blower unremoved and was criticised.
Gas Top-Up & Chemical Cleaning
Chemical wash praised for removing odours and thorough cleaning.

How it compares

  • Rated 4.8 against a 4.56 average across the 370 aircon installation businesses listed here.
  • Has more Google reviews than 87% of the businesses in this directory.

How we scored this

How We Rank
Star rating 84
Review volume 98
Review recency 100
Review sentiment 68
Profile completeness 100
Verification 30

Rating breakdown

5
166
4
8
3
2
2
2
1
6

FAQ

What are the opening hours?
Google lists Mon-Fri 09:00-18:00. Sat and Sun are closed.
Do reviewers mention condo or HDB installs?
Yes. Reviews describe condo piping, a 4-room BTO install, and a 4-room flat with 1001 sqft.
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Last updated 2026-11-15