SG Aircon Guide
Menu

Ah Hong AirCOOL

Updated 2026-11-15 · 2,731 reviewed · 637 listed · Scored from 18 Google reviews · How we rank ›

4.5(18) 62 low data composite score See reviews on Google ✓ Google-verified
Gas Top-Up & Chemical CleaningAircon Servicing & Repair
Ah Hong AirCOOL
Location
Hougang, Singapore
Services
Gas Top-Up & Chemical Cleaning, Aircon Servicing & Repair
Reviews
18
Ranking
#212 in Gas Top-Up & Chemical Cleaning
Best for
Homeowners wanting thorough chemical cleans beyond standard vacuum-and-spray servicing.

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

What do recent reviews say?

Mr and Mrs Yap deliver meticulous chemical cleaning and gas top-ups using professional gear like high-pressure jets and heavy-duty vacuums. Reviewers praise transparent pricing, protective site setup, and detailed workmanship that leaves homes cleaner than typical servicing.

Watch for isolated reports of rising prices after initial visits. Strong track record across 3-4 years, though a small sample of older complaints suggests occasional pricing friction.

Based on limited recent reviews, so treat this as low-confidence.

Praised for
  • thorough deep-cleaning with high-pressure equipment
  • honest quotes, no upselling
  • tidy worksite, protective coverings used
  • reasonable transparent pricing
Watch-outs
  • price hikes on repeat visits
  • vague negative feedback on service
skilled-technicianshonest-quotesfair-pricingclean-workmanshipprofessional-service
Best for: Homeowners wanting thorough chemical cleans beyond standard vacuum-and-spray servicing.
Think twice if: Review reports hint at price increases on repeat bookings; confirm costs upfront before committing to long-term service.

What are they good at?

  • Professional-grade deep-clean with high-pressure jets
  • Protective coverings and thorough site cleanup
  • Transparent pricing, no hidden charges
  • Owner-operated by Mr and Mrs Yap

Worth knowing

  • Mr and Mrs Yap as owner-operators
  • High-pressure Karcher water jet used for deep-cleaning fins and blowers without dismantling
  • Heavy-duty vacuum run during cleaning to contain water and dirt
  • Protective coverings placed on walls, beds, and furniture before work begins
  • Total of SGD 290 documented for 3-unit chemical wash and gas top-up including compressor cleaning
  • Four-hour typical service window

What reviews say by service

Gas Top-Up & Chemical Cleaning
Deep-cleaning with high-pressure jets and thorough worksite protection; reviewers note visible dirt removal and immediate cooling improvement.

How it compares

  • Rated 4.5 against a 4.6 average across the 316 gas top-up & chemical cleaning businesses listed here.
  • Has more Google reviews than 60% of the businesses in this directory.

How we scored this

How We Rank
Star rating 66
Review volume 56
Review recency 55
Review sentiment 59
Profile completeness 75
Verification 0

Rating breakdown

5
15
4
1
3
0
2
0
1
2

FAQ

What does a typical chemical wash visit involve?
Mr and Mrs Yap bring high-pressure jets, heavy-duty vacuum, protective coverings, and tools. They flush fins and blowers without dismantling, run simultaneous vacuuming to contain mess, and clean surrounding walls before leaving. A three-unit service with compressor cleaning typically takes four hours.
How much does a chemical wash cost?
One documented price was SGD 290 for chemical washing and gas top-up on three split units plus compressor cleaning. Reviewers note pricing is transparent with no hidden charges, but suggest confirming the quote upfront.
Do they clean up after the work?
Yes. Reviewers consistently mention protective coverings placed before work, and thorough cleanup of walls and work areas after completion, with no additional cleanup needed by the homeowner.

Similar air conditioning contractors nearby

Best Aircon servicing and installation by Goodcool
89

Best Aircon servicing and installation by Goodcool

5.0(73)✓ Google-verified

Reviewers say the crew arrives on time, works fast, and leaves the unit clean. Many praise how clearly the technicians explain what they found. Ratings are five stars across all 73 reviews on Google. Named technicians come up again and again, including Kenny, Lee, Chin, Ming, and Vincent. One reviewer praised a technician for finding a motherboard fault beyond routine servicing. Several customers booked for four or five units at once and said the job was done in about an hour.

Aircon InstallationGas Top-Up & Chemical CleaningAircon Maintenance Contracts
Fong Yang Air-conditioning Pte Ltd
48 low data

Fong Yang Air-conditioning Pte Ltd

3.7(3)✓ Google-verified

Only three Google reviews exist, so evidence is thin. One reviewer praises a technician named Mr Goh as knowledgeable and helpful. Another reports a changed quote and a disputed warranty.

Aircon Servicing & RepairAircon Installation
AC HUB Pte Ltd & City Ice Air Conditioning
89

AC HUB Pte Ltd & City Ice Air Conditioning

4.9(559)✓ Google-verifiedPublishes prices

Reviewers consistently praise punctuality, technical skill, and the thoroughness of work, with multiple mentions of technician Arif's professionalism and 15 years of experience. Two older reviews flag significant issues: incomplete installation work and poor after-sales support on warranty claims, alongside one report of a late arrival and unresponsive phone lines. The business installs residential multi-zone systems and provides general servicing with chemical cleaning and gas top-up. Their website lists branded systems from Mitsubishi and Daikin at prices ranging $2,220–$4,465, and they promote an annual membership for regular maintenance. Staff like Arif and Lu earn repeated praise for efficiency and customer care.

Aircon Servicing & RepairCommercial & Industrial AirconAircon Installation

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