Best air conditioning contractors in Yishun for new installations and renovations
These are the Yishun air conditioning contractors best suited to new installations and renovations, from HDB flats to condo fit-outs. Scores come from our methodology, last updated 2026-10-28.
This list weighs install and renovation work, so firms known mainly for servicing sit lower here. For a broader view that includes servicing and repairs, see the overall air conditioning contractor ranking.
Every business on this list has review evidence for new installations and renovations. The full field is ranked in the overall ranking.
Picks are ranked by score and relevance to air conditioning contractor, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Amazing Aircon Engineering Pte Ltd | 92 | 4.9 (277) | — | Neat, honest new installs |
| 2 | U Sin Air-conditioning Pte Ltd | 88 | 4.8 (183) | — | HDB and condo renovations |
| 3 | Commercestar Engineering | 86 | 4.7 (178) | — | Quoted, site-surveyed installs |
| 4 | 48 COLD PTE. LTD. | 84 | 4.8 (79) | — | Honest site checks, fair pricing |
| 5 | Chan Brothers Aircon | 83 | 4.8 (736) | — | Replacement units, same day |
| 6 | Aircon Crew Pte Ltd | 83 | 4.9 (39) | — | Pre-install site surveys |
| 7 | Air Connection | 77 | 4.3 (112) | — | Multi-brand and System 4 installs |
| 8 | Senpai Aircons Pte Ltd | 77 | 5 (24) | — | Careful, tidy crews |
| 9 | Jk Aircon Specialist | 76 | 4.6 (71) | — | Budget multi-brand installs |
| 10 | Fortuna Air-Conditioning & Electrical Pte. Ltd. | 76 | 4.4 (47) | — | Ducted and wall-mounted installs |
| 11 | TZ AIRCON PTE LTD | 73 | 5 (13) | — | Post-install support |
| 12 | Kiebler Air Pte Ltd | 73 | 5 (13) | — | Free site visit, renovation jobs |
| 13 | O2 Engineering Pte.Ltd. | 70 | 4.6 (74) | — | Budget installs, older track record |
| 14 | Citicool Engineering Pte. Ltd. | 62 | 4.5 (16) | — | Small, owner-led installs |
1. Amazing Aircon Engineering Pte Ltd
4.9 (277 reviews)score 92/100
A 4.9 rating over 277 reviews gives the strongest install track record here. Reviewers praise neat installation work, punctual tidy crews and advice that does not push extras, which suits a new-unit or renovation job. Confidence is medium, so check the listing for detail.
- Installation work praised for neatness
- Honest, low-pressure advice
- Named technicians requested again by repeat customers
- Mitsubishi and Daikin installs, per website
Google-verified277 Google reviews
Services: Aircon Repair, 24/7 Emergency Callout, Aircon Servicing & Cleaning, Aircon Installation
2. U Sin Air-conditioning Pte Ltd
4.8 (183 reviews)score 88/100
With 4.8 from 183 reviews, this team is praised for neat trunking and pipe routing on HDB flats and condo renovations. Reviewers say system and unit choices are explained without hard selling, which helps when you are fitting out a new home.
- Neat trunking and pipe routing
- Clear advice on system and unit choice
- Punctual, professional crews
- Smooth scheduling and payment through office staff
Watch out: One recent servicing review mentioned a missed blower wash, so confirm the scope for any cleaning bundled with your install.
Google-verified183 Google reviews
Services: Aircon Installation, Aircon Servicing & Cleaning
3. Commercestar Engineering
4.7 (178 reviews)score 86/100
Installation is the main story across 178 reviews at 4.7. Site visits come before work, quotes match the final bill, and crews cover floors and furniture. Mitsubishi Electric Starmex and Daikin systems, plus condo and BTO jobs, make it a solid fit for renovation timelines.
- Site visit and transparent quotes before work
- Floors and furniture protected during install
- Installs for HDB, resale and condo units
- Site manager Raymond and installers named in reviews
Watch out: One older review says a Samsung system's piping leaked after installation and the business's fix was disputed
Google-verified178 Google reviews
Services: Aircon Servicing & Cleaning, Aircon Repair, Aircon Installation, 24/7 Emergency Callout
4. 48 COLD PTE. LTD.
4.8 (79 reviews)score 84/100
A 4.8 rating from 79 reviews, with reviewers citing honest site visits, on-time clean installations and no hidden costs. A good pick if you want a straightforward quote for new units.
- Honest site inspections without pushy sales
- Clean, on-time installations
- Reasonable pricing, no hidden costs
- Quick replies from friendly staff
Watch out: One older 1-star review disputes a gas refill and cooling result
Google-verified79 Google reviews
Services: Aircon Repair, Commercial & Industrial Aircon, Aircon Servicing & Cleaning, Aircon Installation
5. Chan Brothers Aircon
4.8 (736 reviews)score 83/100
The largest review base on the list at 736, with a 4.8 rating. Recent jobs include a two-unit replacement installed on the day of the visit, and reviewers value clear advice on unit sizing and placement.
- 4.8 rating from 736 Google reviews
- Same-day replacement installs
- Clear advice on sizing and placement
- Long-term clients, some about 10 years
Watch out: Some recent reviews mention extra services being suggested, so ask for a clear scope up front.
Google-verified736 Google reviews
Services: Aircon Repair, Commercial & Industrial Aircon, Aircon Installation, Aircon Servicing & Cleaning
6. Aircon Crew Pte Ltd
4.9 (39 reviews)score 83/100
A 4.9 rating from 39 reviews, with the last 19 all four or five stars. One reviewer praised a System 4 installation with a site survey and trunking route advice. The review base is smaller than the top names.
- Site survey and advice before installation
- No hard selling, per multiple reviewers
- Punctual crews that leave the area clean
- Plain explanations of the work
Google-verified39 Google reviews
Services: Aircon Servicing & Cleaning, Aircon Repair, Aircon Installation, 24/7 Emergency Callout
7. Air Connection
4.3 (112 reviews)score 77/100
Reviewers mention a full System 4 installation and an MHI unit, with Daikin and Mitsubishi also handled. At 4.3 from 112 reviews the rating is lower than the leaders, but punctual crews and fair prices come up often.
- Handles Daikin, Mitsubishi and MHI units
- Punctual technicians who explain clearly
- Fast replies on messages and bookings
- Tidy cleanup after jobs
Watch out: One recent repair involved a parts delay and a deposit request, so clarify timing for any order.
Google-verified112 Google reviews14 years (homepage); since 2011 (About Us)
Services: Aircon Repair, Aircon Installation, Commercial & Industrial Aircon, Aircon Servicing & Cleaning
8. Senpai Aircons Pte Ltd
5 (24 reviews)score 77/100
A perfect 5 rating, though from only 24 reviews, so treat it as a smaller sample. Customers describe careful technicians, on-time visits and clean job sites, and installs are among the jobs covered.
- Careful, experienced named technicians
- On-time appointments
- No hard selling of packages
- Clean job site with no mess left
Watch out: Install-specific feedback is thinner than servicing feedback.
Google-verified24 Google reviews
Services: Aircon Servicing & Cleaning, Aircon Repair, Aircon Installation, 24/7 Emergency Callout
9. Jk Aircon Specialist
4.6 (71 reviews)score 76/100
Prices and neat install work are the main draws, with 4.6 from 71 reviews. The website lists a free 3 year workmanship warranty, which is useful on a new install.
- Competitive pricing on multi-brand units
- Free 3 year workmanship warranty (per website)
- Friendly, responsive staff
- Helpful after-sales follow-up
Watch out: Recent reviews are mixed, so agree on site cleanup and after-install checks before work starts.
Google-verified71 Google reviews
Services: Commercial & Industrial Aircon, Aircon Installation, Aircon Repair, Aircon Servicing & Cleaning
10. Fortuna Air-Conditioning & Electrical Pte. Ltd.
4.4 (47 reviews)score 76/100
A 4.4 rating from 47 reviews, with recent comments covering ducted and wall-mounted installs and unit replacements. Technician Yao Ming is repeatedly praised for explaining options and following up.
- Yao Ming praised for consultation and follow-up
- Daikin proshop, per reviewers
- Quick installations with tidy cleanup
- Fair pricing for new units
Watch out: Plan for some scheduling back and forth when booking.
Google-verified47 Google reviewsSince 1974 (founded in 1974; site also cites "50 Years of Cooling Excellence" and "over 50 years of industry experience")
Services: Aircon Installation, Aircon Servicing & Cleaning, Aircon Repair, Commercial & Industrial Aircon
11. TZ AIRCON PTE LTD
5 (13 reviews)score 73/100
A 5 rating from 13 reviews, so confidence is medium and the sample is small. Reviewers praise fast fixes after installation and technicians who explain options clearly.
- Fast after-installation fixes
- Knowledgeable technicians who explain options
- Responsive admin for booking
- Neat, thorough workmanship
Watch out: Few reviews, so the picture may shift as more come in.
Google-verified13 Google reviews
Services: Aircon Installation, Aircon Servicing & Cleaning
12. Kiebler Air Pte Ltd
5 (13 reviews)score 73/100
A 5 rating from 13 reviews, with praise for the free site visit, clear quotes and fair prices. It installs split systems and handles renovation jobs, but newer reviews are sparse and the sample is small.
- Free site visit and clear quotes
- Kang Yong praised for explaining options
- Installs split systems, handles renovations
- Website claims over 12 years of experience
Watch out: Newer reviews are sparse, so check current availability.
Google-verified13 Google reviewsover 12 years of industry experience
Services: Commercial & Industrial Aircon, Aircon Installation, Aircon Repair, Aircon Servicing & Cleaning
13. O2 Engineering Pte.Ltd.
4.6 (74 reviews)score 70/100
A 4.6 rating from 74 reviews, but most praise dates back four or five years and the newest review is a year old. Confidence is low, so verify current service before committing to an install.
- Professional, friendly technicians
- Reasonable pricing
- Quick response on servicing
- Google-verified business
Watch out: Missed or delayed appointments appear in older reviews, so confirm dates in writing.
Google-verified74 Google reviews
Services: Aircon Installation, Aircon Servicing & Cleaning, Aircon Repair, 24/7 Emergency Callout
14. Citicool Engineering Pte. Ltd.
4.5 (16 reviews)score 62/100
A 4.5 rating from only 16 reviews, so confidence is low. Reviewers praise honest advice, careful installs with tidy ceiling patching, and owner Kenny's involvement in quotes.
- Honest advice, no unnecessary upselling
- Tidy ceiling patching after install
- Owner Kenny involved in quotes
- Registered BCA contractor per website
Watch out: Few and older reviews, so ask for recent install references.
Google-verified16 Google reviewsestablished in year 2005
Services: Commercial & Industrial Aircon, Aircon Servicing & Cleaning, Aircon Repair, Aircon Installation
What decides who ranks first?
| Signal | Weight |
|---|---|
| Review sentiment | 28% |
| Google rating | 26% |
| Review volume | 20% |
| Profile completeness | 16% |
| Review recency | 10% |
Ranking data checked 2026-10-28 · Full methodology ›
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