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Water Heaters And Filters

Digital Water Heaters

The first storage water heater in Singapore that comes with a digital touch screen control panel.

Micro Heat Pump

Heat pumps water heaters are more energy saving than gas, electric and solar water heaters.

Electric Water Heaters

In Singapore, most heaters last 3 to 5 years. A. O. Smith heaters are renowned to last over 10 years.

A.O. Smith Pre-filters.
Home Pre Filter

Prevent sand and sediments from entering your tank and prolong the life of your water heater.

How can AOS heaters help you save time and money?

Watch icon.

Speed heating saves you time

Other heaters have you waiting for 15 minutes. Our heaters give you hot water in 2 minutes.

Animated persons enjoying a hot bath.

Triple your hot water without waiting

Perfect for the morning peak rush hour. You don’t have to get up extra early ever again.

A temperate island.

Extract free heat from the air

The latest renewable energy technology uses our hot climate to save you money.

Tell us more.

Speak to a friendly water heater specialist and tell us about your dream shower.

Select your heater.

From your needs, we propose the best options for you. Take your pick.

Place order

Reserve your heater after you’ve finalized your choice.

Fixing the heater

Installation is a breeze. Just pick a date or link us up with your designer.

Relax and unwind

Recharge in the comfort of your home with the 5 star shower of your dreams.


What’s the right heater for you?

Generation 1

The most economical option. Durable, mechanical, no frills.


Blue Diamond Tank technology. Lifespan of entire heater >10 years

Blue Diamond Element technology. Maintains high hot water temperature > 10 years.

Thermos Insulation 2-inches, keeps water hot for 12 hours.

Generation 6

Get 2x more hot water than a Gen 1 heater in minutes.

All in Gen 1, plus

Temperature Control digital panel

Speed Heating – 2 minutes

Hot Water Multiplier. Double your hot water volume.

Thermos Insulation keeps water hot for 18 hours.

Generation 8

Get 3x more hot water than a Gen 1 heater within seconds

All in Gen 6, plus

Speed Heating – 5 seconds

Hot Water Multiplier - Triple your hot water volume.

Water cleanliness prompt (IMM)

Thermos Insulation 3-inches, keeps water hot for 24 hours.

Heat Pump

Renewable energy heater, more efficient than solar.

All in Gen 6, plus

Heat Pump Technology Absorbs free air heat, converts it to hot water

Saves 80% energy

Microchannel Technology for high efficiency heat transfer.

Thermos Insulation keeps water hot for 24 hours.

Testimonials and Reviews

Satisfied clients of AOS Bath.

“I use the built-in timer instead of waking up at 5am for my daughter.”

Mrs. Ong, mother of two

Satisfied client with his integrated heat-pump.

“The heat pump is placed close to the aircon compressor so its efficiency can be boosted by 20%.”

Mr. Chan, engineer

Satisfied client of AOS Bath.

“My friends come over often and all I need to do is change the mode of the heater. We never run out.”

J & M Lee, young couple

As Seen On:



Instant vs. Storage

Water heaters in Singapore fall into two categories: storage and instant. Which is best for you?


Gas vs. Electric Heaters

How much energy will you save? What is the best place to install these heaters?


4 Water Pressure Facts

Is the water pressure at your HDB or high rise condo quite low? Have you bought a rainshower that does not work?

Get 3X more hot water than an electric heater. Available with digital heat technology.

Hot Water Multiplier

Double your hot water volume. Perfect for families that do back to back showers in the morning.

Blue Diamond Tank

10 year AOS heater lifespan due to patented tank technology. #1 Water Heater in USA.

Save $600 a year

Heat Pump Technology absorbs free air heat and converts it to hot water.

Thermos Insulation

Super thick insulation means less reheating. Happy homeowners have reported keeping water hot for up to 24 hours.

Delivery within 3 days

Order before 5pm, Mon - Thu. Need your order fast? WhatsApp us and we will try to help.

Shop from home

Do a simple quiz and we will size your heater. Then save a trip down and easily buy it online.

Instalments with OCBC

Purchase over $1000? Use your OCBC card to activate a 12-month instalment plan.

Installation Guarantee

Heater delivered but does not fit? You may return it for a full refund.

Quick service, fast response

Heater is down and you need urgent help? We’ll reply you within the hour. Fast response times are part of our service to you.

We know how important hot water can be especially when you have a child or elderly parent at home.

8X faster than regular heaters

Need hot water right after you get home from a vacation? In the past, you had to wait 20 min. With speed heating, it’s just 2 min.

Speed up your water heater with our patented heating sequence.
AOS Bath banner.

3-year full warranty

Most brands offer partial warranties. The maximum full warranty only goes up to 1 year. We are confident enough to offer you 3 years.

A full warranty means you have zero out of pocket costs.

Discover Blue Diamond Technology. The patented formula which allows our heaters to last 10 years!

Find out how the built-in timer can help your little kids save money.