Yishun · Condo
Aircon Servicing at Signature at Yishun
With 525 homes, Signature at Yishun at 21-41 Yishun Street 51 is one of the executive condominiums we serve in Yishun. Here's what to expect for servicing, repairs and replacement in your unit, with prices and timelines.

About Signature at Yishun
| Address | 21-41 Yishun Street 51, Singapore |
|---|---|
| Area | Yishun |
| Number of units | 525 |
| Completed (TOP) | 2018 (8 years ago) |
| Tenure | 99-year leasehold |
| Type | Executive condominium (EC) |
Systems at the mid-life stage
- Expect more chemical washes, drain issues and the first gas leaks at this age.
- If one unit needs gas more than once a year, have the leak fixed rather than topping up again.
- Start budgeting for replacement. Systems typically last around 10 to 12 years with good servicing.
Recent work by our technicians
Real photos from recent Konnect Werkz jobs. Condo units like yours usually need the same steps.



Aircon prices at Signature at Yishun
| General servicing at Signature at Yishun | Price (SGD) |
|---|---|
| 2 units (typical 1–2 bedroom) | $55 |
| 3 units (typical 2–3 bedroom) | $75 |
| 4 units (typical 3–4 bedroom) | $95 |
| 5 units (typical 4–5 bedroom) | $115 |
| Chemical wash, per unit | $80 |
| New System 3 / System 4, supply and install | from $2,600 / $3,300 |
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.
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
- Let your guardhouse know we are coming, or register us as your visitor. Share the block and unit number when you book.
- Routine servicing is normally allowed during your condo's working hours. Installation and replacement may need management office approval and lift protection; we can help with the paperwork.
- Condensers on the aircon ledge are serviced from inside your unit through the window. You never need to arrange outside access.
- Parking: we use visitor lots where available. Tell us if your condo has special rules.
How long each job takes
| Service | Time on site | Usual booking wait |
|---|---|---|
| General servicing | 30–45 min per unit | 2 to 4 days |
| Chemical wash | 1–1.5 hours per unit | 2 to 4 days |
| Chemical overhaul | 2–3 hours per unit | 2 to 4 days |
| Gas top-up | 30–60 min per unit | the same or next day |
| Repair / diagnosis | 30–60 min to diagnose | the same or next day |
| New installation | 1 day (System 3/4) | 3 to 7 days after you confirm the quote |
Maintenance schedule
| Task | How often | Who |
|---|---|---|
| Wash filters | Every 2–4 weeks | You |
| General servicing | Every 3 months (daily use) | Technician |
| Chemical wash | About once a year | Technician |
| Replacement | Around 10–12 years | Technician |
Services at Signature at Yishun
Other condos near Signature at Yishun
| Condo | Address | Completed | Units | Type |
|---|---|---|---|---|
| Orchid Park Condominium | 81-97 Yishun Street 81 | 1994 | 615 | Condo |
| The Estuary | 87-99 Yishun Avenue 1 | 2013 | 608 | Condo |
| The Nautical | 93-99 Jalan Sendudok | 2016 | 435 | Condo |
| The Miltonia Residences | 520-556 Miltonia Close | 2014 | 410 | Condo |
| Lilydale | 554 Yishun Avenue 6 | 2003 | 318 | EC |
| Euphony Gardens | 1-13A Jalan Mata Ayer | 2002 | 304 | Condo |
Frequently asked questions
Do you service aircons at Signature at Yishun?
Yes. We service, repair and install aircon at Signature at Yishun and other condos in Yishun.
How much is aircon servicing at Signature at Yishun?
General servicing is $75 for 3 units and $95 for 4 units, with no transport charge.
My Signature at Yishun aircon is getting older. Repair or replace?
Repair if the fault is minor. If the compressor or PCB fails on a 10-year-old unit, replacement is usually better value. We quote both.
Do I need approval from the management office?
Not usually for servicing. For installation or replacement, check with your management office; we can provide the documents they ask for.
Aircon help at Signature at Yishun?
Send a photo of your unit on WhatsApp and get a clear price in minutes.