How quickly can Gradecool book an appointment?

Five-star reviewers consistently praise fast scheduling. One reviewer noted an evening slot was arranged promptly for urgent cooling failure. However, a separate review flagged 3-4 hours of lateness to pre-booked appointments.

Do they charge fairly for pressure testing and gas top-up?

One reviewer noted pressure-testing charges as above market rate. Another praised fair and affordable pricing for a broader service package. Prices appear to vary by job.

Does Gradecool offer a one-stop service?

Yes. Their website lists installation, servicing, repair, chemical wash, gas top-up, and maintenance. A five-star reviewer appreciated paying one overall fee rather than itemised charges.

Gradecool Air-Condition Pte Ltd

Updated 2026-08-11 · 2,604 reviewed · 600 listed · Scored from 111 Google reviews · How we rank ›

4.5(111) 74 composite score See reviews on Google ✓ Google-verified

Aircon InstallationGas Top-Up & Chemical Cleaning

Services: Aircon Installation, Gas Top-Up & Chemical Cleaning
Reviews: 111

What recent reviews say

Gradecool draws strong praise for fast scheduling and fair-priced repair work; technicians like Mr Liu, Mr Seng, Ming, Michael, and Niki earn individual recognition for professionalism and clear explanations. However, servicing quality varies sharply. Multiple reviewers report incomplete cleaning, unnecessary chemical wash upselling, and one costly incident where water protection failed during servicing yet the company deflected blame rather than make it right, offering only token compensation after public review pressure.

Their website claims nearly 20 years operating and acceptance of Climate Vouchers. The 4.5-star average masks the split: 86% five-star versus 14% one/two-star, revealing a business whose weakest link is consistency in quality control and accountability when things go wrong.

Praised for

fast response and appointments
fair pricing
skilled technicians
transparent communication
professional workmanship on repairs

Watch-outs

poor quality servicing and incomplete cleaning
no accountability for damage
defensive customer service
pushes unnecessary chemical washes
severe appointment lateness

quick-responsefair-pricingresponsiveskilled-technicianspushy-upsellingpoor-communicationunresolved-issue

Best for: Customers seeking quick emergency repair scheduling with experienced technicians and transparent pricing.

Think twice if: Routine servicing quality is inconsistent; some reviewers report incomplete work. Pressure-test and chemical-wash pricing warrant verification. Accountability for damage is defensive rather than proactive.

Strengths

Fast appointment scheduling and response times
Individual technician recognition for professionalism
One-stop service across installation, repair, and maintenance
Transparent diagnosis and customer control over options

Worth knowing

Technicians named in five-star reviews: Mr Liu, Mr Seng, Ming, Michael, Niki
One servicing job left water damage to laminate flooring; company offered $30 discount initially, $100 after public review
Reviewer confirmed by independent company that chemical wash was not done on one visit
Website claims: Registered Air-conditioning Specialist, Climate Voucher accepted, VRV System expertise, 20-year operating history

What reviews say by service

Aircon Installation: Praised for professional workmanship and transparent diagnosis in repair/installation contexts.
Gas Top-Up & Chemical Cleaning: Mixed: some say work is complete and fair; others report incomplete chemical washes and unnecessary upselling pressure at each visit.

How it compares

Rated 4.5 against a 4.47 average across the 417 aircon installation businesses listed here.
Has more Google reviews than 81% of the businesses in this directory.

How we scored this

How We Rank

Star rating 66

Review volume 89

Review recency 100

Review sentiment 48

Profile completeness 100

Verification 30

Rating breakdown

Common questions

How quickly can Gradecool book an appointment?: Five-star reviewers consistently praise fast scheduling. One reviewer noted an evening slot was arranged promptly for urgent cooling failure. However, a separate review flagged 3-4 hours of lateness to pre-booked appointments.
Do they charge fairly for pressure testing and gas top-up?: One reviewer noted pressure-testing charges as above market rate. Another praised fair and affordable pricing for a broader service package. Prices appear to vary by job.
Does Gradecool offer a one-stop service?: Yes. Their website lists installation, servicing, repair, chemical wash, gas top-up, and maintenance. A five-star reviewer appreciated paying one overall fee rather than itemised charges.

Contact

Phone: +6567479707
Website: https://www.gradecool.com.sg/
Address: 9004 Tampines Street 93, #03-78 Tampines Industrial Park A, Singapore 528838
Open in Google Maps

Last verified 2026-08-11

Opening hours

Monday: 09:00-18:00
Tuesday: 09:00-18:00
Wednesday: 09:00-18:00
Thursday: 09:00-18:00
Friday: 09:00-18:00
Saturday: 09:00-18:00
Sunday: Closed

As listed on Google.

From their website

Services listed

Aircon InstallationAircon Chemical WashConduct Pressure TestGas Top UpPart ReplacementVRV SystemAircon RepairAircon Servicing

Credentials claimed:Registered Air-conditioning Specialist, Climate Voucher Accepted

Operating:nearly 20 years

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

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