How much does a single aircon service cost?

One-time normal service costs S$45 for one fancoil unit or S$40 for two units. Annual packages (3x or 4x per year) offer discounts for multiple units.

Do they offer chemical cleaning?

Yes. Chemical overhaul for wall-mounted units costs S$160 per fancoil unit, or S$180 per unit as an annual package add-on.

How quickly do they arrive?

Reviewers report punctual or early arrival. Recent bookings were scheduled within 24 hours. Contact them directly to check availability for your date.

Kool@Whissh

Updated 2026-08-11 · 2,604 reviewed · 600 listed · Scored from 21 Google reviews · How we rank ›

5.0(21) 78 composite score See reviews on Google ✓ Google-verified Publishes prices

Gas Top-Up & Chemical CleaningAircon Servicing & Repair

Services: Gas Top-Up & Chemical Cleaning, Aircon Servicing & Repair
Reviews: 21

What recent reviews say

All 17 recent reviews award five stars. Work arrives on schedule, completes efficiently, and technicians explain problems clearly without pressure. Staff respond quickly to inquiries, book appointments easily, and offer straightforward chemical overhaul and maintenance packages. A technician named Ryan and Subash are mentioned for diligence and knowledge. Website checkout once had glitches, though direct contact resolved it.

Praised for

punctual arrival and timely completion
thorough, professional technicians
clear explanations of issues and recommendations
easy booking and responsive customer service
fair value for service packages

Watch-outs

website purchasing errors in past
occasional delays with advance notice

punctualresponsivefair-pricingskilled-techniciansclean-workmanshipprofessional-servicequick-responsehonest-quotes

Best for: homeowners wanting reliable routine servicing without sales pressure or surprise charges.

Think twice if: website booking has had glitches in the past; phone or direct contact may be more reliable.

Strengths

Arrive on time, finish efficiently
Technicians explain faults and options transparently
Straightforward pricing on one-time and package plans
Responsive booking and customer updates

Worth knowing

Technician Subash noted for covering absent team member without complaint
Technician Ryan praised for candid condition assessments and chemical-wash recommendations
Staff provide aircon maintenance tips during visits
Typical visit: two units serviced in one hour, including additional cleaning (e.g. toilet)
Early arrival (15 mins) reported in one recent visit

What reviews say by service

Aircon Servicing & Repair: Thorough inspection and transparent diagnosis; customers report issues explained clearly and technicians help with gas checks and water-leak troubleshooting.
Gas Top-Up & Chemical Cleaning: Chemical overhauling offered as eco-friendly option for allergies; reviewers praise the process and aftercare tips provided.

How it compares

Rated 5 against a 4.64 average across the 256 aircon servicing & repair businesses listed here.
Has more Google reviews than 61% of the businesses in this directory.

How we scored this

How We Rank

Star rating 81

Review volume 58

Review recency 100

Review sentiment 70

Profile completeness 100

Verification 30

Rating breakdown

Common questions

How much does a single aircon service cost?: One-time normal service costs S$45 for one fancoil unit or S$40 for two units. Annual packages (3x or 4x per year) offer discounts for multiple units.
Do they offer chemical cleaning?: Yes. Chemical overhaul for wall-mounted units costs S$160 per fancoil unit, or S$180 per unit as an annual package add-on.
How quickly do they arrive?: Reviewers report punctual or early arrival. Recent bookings were scheduled within 24 hours. Contact them directly to check availability for your date.

Contact

Phone: +6562218626
Website: http://koolwhissh.com/
Address: Lee King Hwa Building, Singapore 534053
Open in Google Maps

Last verified 2026-08-11

Opening hours

Monday: 08:00-21:00
Tuesday: 08:00-21:00
Wednesday: 08:00-21:00
Thursday: 08:00-21:00
Friday: 08:00-21:00
Saturday: 08:00-18:00
Sunday: 08:00-13:00

As listed on Google.

From their website

Services listed

Normal servicing (one-time)Regular servicing (3x a year package)Regular servicing (4x a year package)Chemical overhaul (wall-mounted)Enhanced annual packages (basic)Enhanced annual packages (premium)Aircon installationAircon repair

Published prices

Normal Service (One-Time) - 1 Fancoil Unit: S$45.00
Normal Service (One-Time) - 2 Fancoil Units: S$40.00
Regular Servicing (3x a year) - 3 Fancoil Units: S$225.00
Regular Servicing (3x a year) - 4 Fancoil Units: S$270.00
Regular Servicing (3x a year) - 5 Fancoil Units: S$315.00
Regular Servicing (3x a year) - 6 Fancoil Units: S$360.00

Operating:over 20 years of experiences

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

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Kool@Whissh

What recent reviews say

Strengths

Worth knowing

What reviews say by service

How it compares

How we scored this

Rating breakdown

Common questions

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