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C.H Aircon Engineering

Updated 2026-08-11 · 2,604 reviewed · 600 listed · Scored from 13 Google reviews · How we rank ›

5.0(13) 79 composite score See reviews on Google ✓ Google-verified
Gas Top-Up & Chemical Cleaning
C.H Aircon Engineering
Service
Gas Top-Up & Chemical Cleaning
Reviews
13

What recent reviews say

All 13 reviews award five stars. Reviewers consistently praise Chen, Ah Chen, and Ah Cheng for meticulous chemical cleaning that includes dismantling blowers and interior parts. They value the team's calm, honest approach-diagnoses without pressure to replace components, straightforward pricing, and practical maintenance tips. One repeat customer has referred family members; another notes cleaning four units cost $80 for 2+ hours.

Work spans gas top-ups, chemical overhauls, and troubleshooting of compressors and cooling issues. Response time appears quick, and tidiness during and after work is remarked on. No complaints surface in the review record.

Praised for
  • thorough cleaning and dismantling
  • friendly and professional staff
  • reasonable pricing
  • trustworthy diagnosis without upselling
  • attentive follow-up and advice
skilled-techniciansfair-pricingclean-workmanshiphonest-quotesprofessional-serviceresponsivegood-after-sales-support
Best for: Homeowners wanting reliable chemical cleaning and gas work without sales pressure.

Strengths

  • Dismantles blowers and internal parts for deep cleaning
  • Honest diagnosis without pressure to replace
  • Transparent pricing
  • Named technicians (Chen, Ah Chen, Ah Cheng) with consistent feedback

Worth knowing

  • Technicians Chen, Ah Chen, and Ah Cheng named across reviews
  • Chemical cleaning includes blower dismantling (sets them apart)
  • Offer post-service maintenance tips and follow-up advice
  • One customer noted four-unit cleaning in 2+ hours for $80
  • Chemical overhaul pricing described as lower than competitors

What reviews say by service

Gas Top-Up & Chemical Cleaning
All 13 reviews praise thorough chemical cleaning with blower dismantling, gas top-ups, and leak diagnosis without upselling.

How it compares

  • Rated 5 against a 4.73 average across the 191 gas top-up & chemical cleaning businesses listed here.
  • Has more Google reviews than 54% of the businesses in this directory.

How we scored this

How We Rank
Star rating 77
Review volume 50
Review recency 100
Review sentiment 81
Profile completeness 100
Verification 30

Rating breakdown

5
13
4
0
3
0
2
0
1
0

Common questions

Do they dismantle parts during cleaning?
Yes. Reviewers note they remove and wash blowers and other internal parts-more thorough than competitors who skip this step.
What does a typical cleaning cost?
One customer paid $80 for cleaning and servicing four units; chemical overhauls are noted as lower priced than competitors.
Will they push me to replace parts I don't need?
No. Reviewers consistently praise their honest approach: they diagnose issues clearly and suggest monitoring before recommending replacement.
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Last updated 2026-08-11