Do they operate weekends?

Yes, they publish opening hours for 7 days a week.

Are they registered contractors?

They claim BCA registration and Slots membership ME-01(ACMV).

Coolzone Engineering Pte Ltd

Updated 2026-09-15 · 2,661 reviewed · 598 listed · Scored from 6 Google reviews · How we rank ›

3.2(6) 60 low data composite score See reviews on Google

Commercial & Industrial AirconAircon InstallationAircon Servicing & RepairAircon Maintenance ContractsGas Top-Up & Chemical Cleaning

Location: Toa Payoh, Singapore
Services: Commercial & Industrial Aircon, Aircon Installation, Aircon Servicing & Repair
Reviews: 6
Ranking: #97 in Commercial & Industrial Aircon
Best for: homeowners seeking installation with professional finish quality

Business data from Google Business Profile, checked 2026-09-15. Facts from the business's own website were fetched 2026-08-11.

What do recent reviews say?

Recent positive experiences highlight skilled technicians and neat installation work, though older reviews show gaps in warranty follow-up and site cleanliness. Half the reviews are five-star, half are one or two, suggesting inconsistent service quality.

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

Praised for

experienced technician (Ah Wei)
clean workmanship and finish
thorough cleanup after install

Watch-outs

poor after-sales support
quote discrepancies
work site left messy on repeat visits

skilled-technicianstidy-installationclean-workmanshippoor-communicationunresolved-issue

Best for: homeowners seeking installation with professional finish quality

Think twice if: you need strong after-sales support or have concerns about cost accuracy

What are they good at?

experienced technicians named by reviewers
tidy, finished installation work
operates 7 days a week

Worth knowing

Technician Ah Wei praised for problem-solving and honesty
installed Mitsubishi systems; casing joints noted as well-finished
claim of BCA registration and Slots ME-01(ACMV) membership
operates since 2010

What reviews say by service

Aircon Installation: two positive recent reviews praised clean finish and professional setup; older complaints about quoted price not matching charged amount

How it compares

Rated 3.2 against a 4.54 average across the 135 commercial & industrial aircon businesses listed here.
Has more Google reviews than 45% of the businesses in this directory.

How we scored this

How We Rank

Star rating 50

Review volume 37

Review recency 100

Review sentiment 49

Profile completeness 100

Verification 30

Rating breakdown

FAQ

Do they operate weekends?: Yes, they publish opening hours for 7 days a week.
Are they registered contractors?: They claim BCA registration and Slots membership ME-01(ACMV).

Contact

Address: 5 Toa Payoh Industrial Park, Singapore 319057
Open in Google Maps

Last verified 2026-09-15

Opening hours

Monday: 08:00-18:00
Tuesday: 08:00-18:00
Wednesday: 08:00-18:00
Thursday: 08:00-18:00
Friday: 08:00-18:00
Saturday: 08:00-18:00
Sunday: Closed

As listed on Google.

From their website

Services listed

Normal/general serviceChemical overhaulYearly contract serviceAC checking and repairs

Credentials claimed:BCA registered contractor, Slots member - ME-01(ACMV), Biz Safe Level 3

Operating:since 2010

As published by the business on its own website; not independently verified.

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