Yishun · System 2 from $1,800
Aircon Installation & Replacement in Yishun
Whether you are fitting out a new BTO, replacing a tired system in an older flat or upgrading a condo, we survey the site, recommend the right size and brand, and install with neat trunking and proper drainage.

What's included
- Free site survey
- System sizing by room size and sun exposure
- Supply of major brands (Daikin, Mitsubishi Electric, Panasonic, LG, Midea)
- Removal and disposal of old units
- Copper piping, insulation, trunking and drainage
- Testing, handover and warranty registration
Signs you need this
- System is over 10 years old
- Repairs cost more than half the price of a new system
- Still using R22 gas
- Moving into a new BTO, condo or renovating
Installation prices
| Service | Price (SGD) |
|---|---|
| System 2 (1 outdoor + 2 indoor), supply and install | from $1,800 |
| System 3 (1 outdoor + 3 indoor) | from $2,600 |
| System 4 (1 outdoor + 4 indoor) | from $3,300 |
| Removal and disposal of old unit | $30 per unit |
Prices are for standard wall-mounted units. Ceiling cassette, ducted and hard-to-reach units are quoted after a look. No transport charge within Yishun, Canberra and Sembawang. The price we quote on WhatsApp is the price you pay.
Timeline
- Booking wait
- Usually 3 to 7 days after you confirm the quote
- Time on site
- One day for a typical HDB System 3 or 4. Replacements with new piping take 1 to 2 days
How a visit works
- Message us on WhatsApp with your address, number of units and a photo of any error light. We reply with a price, usually within minutes during opening hours.
- Pick a slot. Servicing is usually available within 2 to 4 days; urgent repairs the same or next day.
- Technician arrives, lays down protective sheets and works through each unit.
- Test and pay. We run each unit with you, then you pay by PayNow or card. You get a service record on WhatsApp.
Before we arrive
- Clear a path to each indoor unit and move furniture or items directly below it.
- Make sure the outdoor unit or aircon ledge window can be opened.
- Note any error codes or problems so the technician can check them.
- Keep pets in another room while we work.
Maintenance afterwards
Service new systems every 3 months and keep the receipts. Many brands require proof of servicing for compressor warranty claims.
- Local to YishunShort travel, more available slots
- Price before workClear quote on WhatsApp
- 30-day warrantyOn servicing and repair workmanship
- All major brandsDaikin, Mitsubishi, Panasonic, LG and more
Installation by neighbourhood
Installation photos from recent jobs
Real photos from recent Konnect Werkz jobs.




Frequently asked questions
How long does installation take?
A typical HDB System 3 or 4 is installed in one day. Replacements with new piping can take 1 to 2 days.
Do you install in new Yishun BTO flats?
Yes. We follow HDB's requirements for the aircon ledge and piping routes.
Can I reuse my old piping?
Sometimes. We test it during the survey. New piping is recommended when switching gas types or when pipes are corroded.
Which size system do I need?
Most 3-room flats use System 2 or 3, 4-room flats System 3 or 4, and 5-room flats System 4 or 5. We confirm after measuring the rooms.
Need an aircon technician in Yishun?
Send a photo of your unit on WhatsApp and get a clear price in minutes.