Looking for a cooling solution for your HDB flat or condo? A System 3 aircon
is ideal for 3-bedroom homes, offering energy-efficient performance and
streamlined installation. Explore our reliable 3-system aircon options
designed for everyday comfort and long-term savings.
Why Buy System 3 Aircon from 81Aircon?
Free Site Survey & Expert Advice
Let us help you find the right System 3 aircon setup with a complimentary
on-site assessment.
Licensed Technicians, In-House Team
Our skilled, in-house team ensures safe, efficient installation — no
outsourcing.
Warranty on Parts & Labour
Enjoy peace of mind with warranty coverage on both components and
workmanship.
NEA Energy-Rated Models
We supply trusted brands with high energy efficiency ratings, helping you
save more long-term.
No Hidden Fees
Transparent pricing on every 3-system aircon unit — what you see is what
you pay.
System 3 Aircon Price & BTU Options
The system 3 aircon price varies depending on the brand, indoor unit size
(BTU), and smart features like inverter technology or Wi-Fi controls. At
81Aircon, we offer competitively priced 3-system aircon units that include
full installation by licensed technicians — with no hidden fees.
Filter by Room Size & Usage
Choosing the right System 3 aircon setup depends on your room sizes and
how frequently each space is used. A common configuration for HDB flats
and condos is:
9,000 BTU for bedrooms (up to 12–16 sqm)
12,000 BTU for slightly larger rooms or living rooms (up to 12–16 sqm)
18,000 BTU for large living spaces (90-110 sqm)
Tip: Bedrooms typically require less cooling
capacity, while living rooms or open-plan areas may need higher BTU units
for optimal comfort.
Benefits and Features of System 3 Aircon
Cool 3 rooms with 1 outdoor unit: Save space on
your AC ledge — a System 3 aircon powers three indoor units using just
one condenser.
Optimised for HDB and condo layouts: Ideal for
3-room setups, including bedrooms and living areas, without overloading
your electrical system.
Energy savings with NEA-certified models: Choose
from 4- or 5-tick energy-rated options to reduce power bills and support
greener living.
Customisable BTU combinations: Tailor your
3-system aircon to suit different room sizes and cooling needs.
Smart control options: Many models come with Wi-Fi
and app-enabled features, so you can manage temperature remotely.
Quiet and efficient operation: Enjoy restful sleep
with low-noise indoor units and energy-efficient inverter technology.
Warranty for peace of mind: Get brand-backed
warranty coverage plus installation warranty from 81Aircon.
Frequently Asked Questions About System 3 Aircons
Trusted brands in Singapore include
Mitsubishi Starmex,
Daikin,
Panasonic, and Midea. These offer consistent cooling, energy efficiency,
and long-term reliability — all available with installation from
81Aircon.
The system 3 aircon price typically ranges from S$1,000 to S$2,000,
depending on the brand, BTU configuration, and features. Prices usually
include standard installation and warranty coverage.
Yes, most HDB flats can support System 3 aircon setups — especially 4-
or 5-room flats. However,
aircon installation
must comply with HDB guidelines. 81Aircon offers free site surveys to
assess compatibility.
Yes. All 3-system aircon units sold by 81Aircon come with a
manufacturer’s warranty on parts and compressor, as well as workmanship
warranty on installation.
Power consumption depends on the BTU combination and usage patterns. On
average, a System 3 aircon uses 2.5 to 4.5 kWh per hour when all units
are running. Choosing an NEA 5-tick model can help reduce energy bills.
