23 low data
Jasper Air-Condition Engineering Pte Ltd
No rating yet✓ Google-verified
Not enough recent reviews yet to synthesise a reliable sentiment read for this business.
Aircon Installation
COOLSERVE Air-Condition Engineering
Aircon Maintenance ContractsCommercial & Industrial AirconAircon Servicing & RepairAircon InstallationGas Top-Up & Chemical CleaningHDB & Condo Aircon Specialist
- Location
- Toa Payoh, Singapore
- Services
- Aircon Maintenance Contracts, Commercial & Industrial Aircon, Aircon Servicing & Repair
- Reviews
- 128
- Ranking
- #91 in Aircon Maintenance Contracts
- Best for
- Homeowners and businesses needing reliable installation or repair with minimal disruption and thorough cleanup.
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?
Reviewers consistently report fast, neat installations and repairs by skilled technicians who protect homes and clean up thoroughly. Staff like Evan, Yong, Ben, and Chee Heng earn specific praise for professionalism and willingness to solve complex problems. One customer had their broken Mitsubishi system fully restored; another credits a 10-year relationship for reliable, consistent service. The main caveat is a single report of unanswered WhatsApp messages.
Their website lists general service at $50 and maintenance contracts from $120–$300 monthly. Installation prices for System 3 units start around $1,613–$1,635. Booking is described as straightforward. The team offers Sunday service and will go beyond the job scope (painting patched walls, rewiring water heaters) when needed.
Praised for
- professional, punctual technicians
- thorough, clean workmanship
- responsive, knowledgeable staff (especially Evan)
- reliable long-term service
- fair pricing
Watch-outs
- poor communication on enquiries (one case of ghosting)
punctualresponsiveskilled-techniciansclean-workmanshipprofessional-servicehonest-quotesgood-after-sales-support
Best for: Homeowners and businesses needing reliable installation or repair with minimal disruption and thorough cleanup.
Think twice if: One customer reported unanswered WhatsApp messages over several days; responsiveness may vary by channel or volume.
What are they good at?
- Long-standing reputation (customers cite 10+ years of engagement)
- Protective setup during work (plastic partitions to prevent dust)
- Named technicians widely praised (Evan, Yong, Ben, Chee Heng, Rong, Stephen, Choong)
- Beyond-scope help (painting walls, rewiring, problem diagnosis)
Worth knowing
- Technicians Evan (customer liaison), Yong, Ben, Chee Heng, Rong, Stephen, and Choong named in praise
- Multi-team deployments standard (two senior technicians plus support)
- Use of plastic partitions to protect furniture during work
- Handles complex diagnostics (e.g., factory reset of Mitsubishi Starmex system after another company's failed service)
- Will help with non-aircon issues (rewiring, painting) as goodwill
- Long-term customers (10+ years) report consistency
- Installation cleanup and testing of controls included
What reviews say by service
- Aircon Installation
- Multiple reviewers praise neat, prompt installations with thorough cleanup; teams work efficiently and test controls before leaving.
- Aircon Servicing & Repair
- Customers note reliability over years; technicians provide photos of work and explain findings clearly; one customer had a failed competitor's job correctly diagnosed and fixed to factory-fresh condition.
- Aircon Maintenance Contracts
- Not explicitly detailed in reviews, but customers describe engagement over many years for regular servicing.
- HDB & Condo Aircon Specialist
- Reviews mention HDB installation and servicing; team handles wall-hacking for pipe replacement and works tidily in residential spaces.
- Commercial & Industrial Aircon
- One reviewer mentions their company has been engaging Coolserve and they applied the same high standard when the reviewer used them for personal HDB installation.
- Gas Top-Up & Chemical Cleaning
- Website lists Gas Top Up and Chemical Service; one review commends handling of 'leaked gas pipes concealed inside the house' and mentions 'hacking the walls to replace the leaked pipes'.
How it compares
- Rated 4.6 against a 4.52 average across the 411 aircon servicing & repair businesses listed here.
- Has more Google reviews than 82% of the businesses in this directory.
How we scored this
How We Rank Star rating 72
Review volume 92
Review recency 100
Review sentiment 75
Profile completeness 100
Verification 30
Rating breakdown
5
108
4
5
3
3
2
3
1
9
FAQ
- Do you offer free inspections?
- Yes, their website lists a FREE Checking / Inspection service.
- Can you install on weekends?
- The website states Sunday service/repair is available. One customer received next-day service after calling with an emergency.
- What does a maintenance contract cost?
- Their website lists Aircon Maintenance Contracts from SGD 120 to SGD 300 per month, depending on scope.
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Every recent review rates them five stars. Reviewers praise Joel, Amirul, Koh Sien, Rashid, and others by name for methodical chemical cleaning and mould treatment that removes deep dirt buildup. Work consistently includes before-and-after photos, protective coverings for floors and furniture, and cleanup after the job. Customers emphasise their low-corrosive chemistry (claimed to protect older units and be safer around children) and post-service advice on aircon care. Staff explain each step and inspect hidden areas like behind brackets. The pattern repeats: professional, efficient, respectful of the home, and thorough to the point where customers book them again for maintenance contracts.
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Infinity Air Pte Ltd - Aircon Specialist
4.1(66)✓ Google-verified
Customers report strong work from named technicians like Lynette, Alvin, and Habib on installations and routine maintenance, with some praising the responsiveness and care taken. However, a consistent friction surfaces: missed or delayed appointments, conflicting promises about neighbour notification, technicians refusing standard procedures on repeat visits, and charges for unresolved problems-leaving several customers feeling let down by backend operations despite the field team's skill.
Aircon Maintenance ContractsCommercial & Industrial AirconAircon Servicing & Repair