Storage Heater Installation Guide


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After you have learned about which water heater to buy with the help of our storage heater buying guide, you may also be wondering how the installation will go. When installing a storage water heater, there are a number of things which you will have to take note of. These can help ensure that your storage water heater is properly installed and that any potential issues are prevented. Moreover, you will be able to enjoy a steady supply of hot water as a result.

Why Singaporeans Choose To Install Storage Water Heaters




Shared Bathrooms

Homeowners may ask if they should either install a storage or an instant water heater. However, the obvious answer to that is to opt for a storage water heater installation. It will reduce the initial investment in multiple heaters for each bathroom, and the family can use just a single large storage heater to supply hot water to different bathrooms. 

Compact Bathroom

The top 3 best-selling water heater brands and its products are available in various sizes, designs, and can be installed on the ceiling or beams of a compact bathroom. This flexibility in size and installation options make the storage heaters ideal for small bathrooms.

Bathroom Décor

Storage water heaters are available in different smaller sizes that can easily be integrated with the existing bathroom décor. In this way, the homeowner does not have to invest money to conceal it after installation. 

Immediate Hot Water Access

Though tankless or instant water heaters are considered more efficient, they will produce hot water only when switched on. In contrast, even if there is no electric supply to the house, the user can get hot water for some time with a storage water heater. 

After knowing why Singaporeans choose to install storage water heaters, be sure to learn about the things to note during a water heater installation.

Things to Consider Before Any Storage Water Heater Installation



In comparison to other electrical appliances you may have in your home, the quality of the storage water heater you are opting to install or buy is one of the things you should consider for a low-quality water heater that may malfunction and cause water heater issues



The water heater you will install should be based on the amount of water you need. Keep in mind that you should consider the number of people who use hot water. Usually, small families do not consume much hot water as compared to big families. 


Energy Consumption

Using an installed storage water heater consumes energy higher than other appliances. That is why it is advisable to install a quality water heater with higher energy efficiency to avoid higher monthly electricity bills. 


Safety Features

Overheating is one of the storage water heater issues you might encounter for this can increase the pressure and could lead to an emergency and can risk your water heater safety. Hence, it is advisable to ensure that a high quality thermostat is used to prevent overheating.


Installation Area

The storage water heater with the right size has to be chosen depending on the size of the bathroom where you want to install your water heater. For smaller bathrooms, a compact water heater is preferred. 


Tank and Heating Element

Replacing your water heater to a storage water heater comes with a storage tank that may always be full at a higher temperature. That is why it is important to consider the material of the tank, which should be made from a corrosion-resistant material.

Factors Affecting Storage Water Heater Installation Cost



Water heater cost

There are a lot of things to consider when buying a water heater like it costing depending on the model selected.

Plumbing labor cost

A factor that needs to be considered on plumbing labor costs depends on the experience of the plumber, number of staff, and time required to install the water heater

Job supplies 

There might be other supplies required for the water heater installation, like electric cables for wiring, pipes, and other hardware. These are usually procured by the plumber doing the installation work and strictly used for water heater installation.

Equipment allowance 

The plumber doing the installation usually has purchased the equipment initially and the cost of using and transporting the equipment is usually included in the cost of installation.

Debris disposal

The plumber will usually clean the area after the installation is complete and dispose of the debris generated. 

Now that you know about the factors affecting storage water heater installation cost, take note of the best storage water heater brands in Singapore.

Best Storage Water Heater Brands

Top Water Heater Brands

We at Water Heater City Singapore, offer the best brands of water heaters that will cater to all your needs! We also offer complete water heater services like water heater installation/replacement, water heater repair, and water heater leaking services.


Ariston storage heaters are one of the best-selling water heater brands in Singapore as it is compact and uses the latest technology. Additionally, their water heaters are well-known to be energy-efficient and are available in various capacities to cater to your needs.

Benefits of Ariston Water Heaters





Get Access to Cleaner Water

Ariston water heaters such as the Ariston AN2RS15L  are equipped with AG+ cartridge technology which is highly effective at preventing bacteria growth in the water tank. This means that your bathing water is not only hygienic but also relatively cleaner.

Optimal Size

Ariston storage water heaters are designed to be compact and minimalistic so that they can fit into the unoccupied areas of your bathroom easily.

Sleeker Design

Besides the smart space planning, the Ariston storage water heaters come with a super sleek design ideal for virtually all bathroom themes.

Cost-Effectiveness & Bigger Capacity

When planning for your home, it’s better to think on a long-term basis. For instance, the Ariston Pro R Slim 30L has a much bigger capacity than the standard tanks, which is much more cost-effective than instant water heaters.

Safety and Durability

The Ariston brand has been one of the most reliable water heater brands in the market for over 80 years. The brand originates from Italy and aims to provide its customers with high quality and energy water heaters.


From its sleek design to optimum water storage capacity, Ariston water heaters will transform your bathroom water heating experience for good.


Ariston water heaters are energy-efficient which consume less energy, thus reducing greenhouse emissions significantly.

Best Ariston Water Heater Models

Ariston Andris RS Storage Water Heater (comes in 15L and 30L)
Ariston Andris R Series promises extra durability through a copper heating element, optimum water efficiency through the Flexomix technology, and total safety.

Ariston Andris 2 LUX Storage Water Heater (comes in 15L and 30L)
Ariston’s Andris LUX series showcases a clean and modern Italian design storage water heater. 

Ariston Pro RS J Storage Water Heater (comes in 25L, 35L, and 50L)
Ariston’s PRO RS J series consists of a slim and space-saving electrical storage water heater that is extremely easy to maintain. 

Ariston Andris LUX Storage Water Heater (comes in 15L and 30L)
The Ariston Andris Lux 15L is made with super-ecologic insulation materials and energy can be better conserved through its improved titanium-enamel tank.


Rheem water heater is one of the most popular brands of water heater in Singapore due to the fact that it has excellent quality and affordable price for their storage water heater models.

Benefits of Rheem Water Heaters

High-quality Heaters Have A Reliable Water Supply

A reliable water heater like the Rheem water heater guarantees not only a consistent hot water supply but also a great sense of security. 


Rheem Heaters Are Designed To Be 100% Environment-Friendly

The manufacturer has the duty of producing water heaters that help keep the carbon footprint to the lowest level possible. This is precisely what is happening with Rheem water heaters.

A High-Quality Heater Incorporates High Standards Of Safety

Whenever hot water is involved, you would surely want to be 100% assured of safety. This is why most people opt for a high-quality and the best selling water heater though relatively expensive than regular heaters. 

Temperature And Pressure Relief Valve

Heating water in a tank will result in pressure and temperature build-up. This is where the valves play their role. Rheem water heater makes it possible for you to manually release the accumulated pressure and temperature to ensure a safe living condition.


Automatic Heating Cut-Off

You know how upsetting it can be to have an abrupt disruption from hot water leakage while you are peacefully enjoying your healthy shower. This is one of the reasons why all Rheem Heater products are designed to protect users from scorching hot water while enjoying a hot shower.

Best Rheem Water Heater Models

Rheem EH Electric Storage Water Heater (comes in 25L, 40L, and 55L)
The Rheem EH Electric Storage Water Heate rconsists of a heater built with Rheemglass to prevent corrosion and conserves energy through its CFC free polyurethane foam insulation.

Rheem Storage Water Heater – Vertical Model (comes in 23L, 38L, and 57L)
The Rheem Storage Water Heater – Vertical Model is coated with exclusively-made Rheemglass to protect against corrosion, it also consists of an incoloy sheathed immersion heating element for efficient performance.

Rheem EHG Electric Storage Water Heater (comes in 30L, 40L, and 60L)
The Rheem EHG Electric Storage Water Heater has an adjustable thermostat which automatically cuts off its power whenever the preset temperature is exceeded.


The Joven water heater is a well-established brand from Malaysia and can be considered as one of the most reputed water heater brands in Singapore. Their products are designed with quality thoughts for the end-user in line.

Benefits of Joven Water Heaters

Reliability and Safety

One of the reasons why the Joven water heater is among the top brands of water heaters is because it is very reliable and safe for Singapore weather conditions. Furthermore, each water heater is tested for compliance with safety standards. 


Joven is an innovation-focused company. It is always trying to improve its products as well as incorporate the latest technology. 

Energy Efficient 

Joven’s water heaters are energy-efficient as they use an electrical power source to heat the water but only for a shorter period.

No Heat Loss

Storage water heaters have a tank filled with hot water, which will lose some heat naturally. The storage water heaters from Joven water heaters are designed to reduce heat loss to the extent possible by using a better foam type for its insulation.

Low Cost

Since the Joven water heaters are designed and manufactured in Asia, the cost of the water heaters is relatively affordable than most American and European brands.

Best Joven Water Heater Models

Joven JH Storage Water Heater (comes in 15L, 25L, 35L, 38L, 50L, 56L, 68L, and 91L)
The Joven JH Storage Water Heater is built with Heat Elevator Technology which makes it very energy-efficient. It also consists of a triple safety system and stainless steel heater tank to prevent scalding and provide clean water. 

Joven JVA Storage Water Heater (comes in 25L and 50L)
The Joven JVA Storage Water Heater has excellent life expectancy and allows users to set the temperature conveniently. It is also energy-efficient and has a centralised multi-point system for multiple water distribution.

How To Prepare for Storage Water Heater Installation

Make sure it fits in the location

You should ensure enough space in the bathroom to properly make the electric and plumbing connections to the water heater without any obstruction. Storage water heaters are usually installed above the false ceiling because of their bulky size. 

Check water supply route

The water that will pass through the showerhead, as well as the tap, will depend on what type of water heater you use.  For a storage water heater, the water in the pipes will be stored in the tank. 


The water heater you will install should be based on the amount of water you need. Keep in mind that you should consider the number of people who use hot water. For big families or for commercial spaces that use hot water the most, it is advisable to install a 40 Liters tank capacity like the Rheem EHG 40.

Common Issues That Occur During Storage Water Heater Installation

  • Buying the Wrong Water Heater Size

The size of the water heater depends on the capacity of the heater, and the amount of water it will heat. If a larger capacity heater is selected for a small family, more energy will be required to heat a larger volume of water, and some of the hot water may not be needed.

  • Wrong location or placement of water heater tank

One of the reasons behind a leaking water heater is due to improper water heater placement. An improper water heater placement can damage the siding, ruin flooring, wreck personal belongings, and more.

Besides being familiar with the common issues that occur during storage water heater installation, you should know how to choose the best water heater installer to ensure that your water heater is installed properly.

Choosing The Best Water Heater Installer




Company’s Reputation

One of the points to note during water heater installation is choosing a well-established company. For example, a company with more than ten or twenty years of experience, can be more trusted for the installation and to attend to your water heater issues and maintenance in the future.

Company’s Experience

If the staff are well trained and experienced, they are more likely to be aware of the different types of storage water heaters available. Aside from being aware of the best practices, they exactly know when you should replace your water heater.

Whether Company Is Licensed and Insured

An important fact about water heater installation is that it should be done by professionals because of its complexity. Licensed plumbers also know the significance of installing energy efficient water heaters and you can rely on them to install one into your bathrooms.

Company’s Tools and Technology

Having the latest equipment for quick installing and replacing is one of the reasons to hire a professional to install your water heaters. The plumbers are also well trained in the most suitable techniques, using the best testing equipment to avoid the causing of water heater failure due to improper installation.

Company’s Certifications

In addition to having licensed plumbers, the company should have acquired certifications from relevant bodies which show that they have the best systems in place. In this way, they can ensure that all the clients get the same quality of service.

Company’s Servicing Costs

Before you contact a water heater servicing company, it is recommended to get a quote from at least three reputed companies. This will help the property owner get information about the market rates for the installation work, terms and conditions, and the time taken.

If you are thinking of having a storage water heater installed in your home, keep in mind the things to consider before any storage water heater installation. You should also study the factors affecting storage water heater installation cost and the best storage water heater brands. To prevent any form of damage, you should also know how to prepare for storage water heater installation. Knowing the common issues that occur during storage water heater installation is equally vital. To ensure that your storage water heater is properly installed, take note of how to choose the best water heater installer as well.

In case you are unsure about what storage water heater to buy, be sure to read our comprehensive water heater buying guide.

Water Heater City Singapore offers complete water heater services for both storage and instant water heater tanks including water heater installation and replacement, and water heater leak. We can provide the supply and installation or replacement of Singapore’s most popular water heater brands like Ariston water heaterRheem water heaterJoven water heater, 707 water heater, Rubine water heater, and Champs water heater. If required, we are also able to open false ceiling, patch it back up and paint it to restore it to its original condition. We have over 10 years of experience for installation of water heaters and have done hundreds of water heater installation cases for landed, condo and HDB, including complete one-stop installation above false ceiling, plastering, and resealing false ceiling. We are a highly recommended Water Heater Services Company in Singapore, with many delighted customers and reviews over the years on Google and Facebook.  WhatsApp us at +65 8241 0032 for transparent quotations and honest pricing for all your water heater needs. We also provide a fast and efficient service to solve any of your water heater needs!

Choose Water Heater City Singapore


Google Rating
Based on 303 reviews

Water Heater City Singapore offers complete water heater services such water heater installation, water heater repair, and water heater leaking services. We provide one-stop supply and installation services for instant water heaters and storage water heaters. Our range of water heater brands includes Ariston, Rheem, Joven, 707, Rubine and more! If you are looking to replace your water heater or install or new heater, do not hesitate to WhatsApp us at +65 8241 0032 for a quick consultation!

Nirav Parikh
Nirav Parikh
13:28 18 May 22
Technician name: Mahfuz and YeasinResponsive, value quote, and no fuss quality service exactly as promised. No attempts to oversell or wriggle more work. Technicians were competent, punctual and courteous. Will certainly ise them again. Thanks
Allan Dass
Allan Dass
09:44 17 May 22
Just to share my experience with water heater city ..I spoke to Lorraine and appreciated all her assistance in my purchase of ARISTON water storage and also to Technician Mani for the installation of the storage unit..thanks a lot..if there is anyone who wants installed WATER HEATERS IN THEIR HOME WILL HIGHTLY RECOMMEND.
John Parvio
John Parvio
07:26 17 May 22
Engaged water heater installation from Everyworks Group Pte Ltd. Attended by installer named Casmir. Meticulous and professional. Lastly CSO, Haze who arranged the appointment. Swift and hassle free transaction.👍👍👍
James Tangga
James Tangga
09:05 16 May 22
Technician Casmir was very skill full and professional.
Goh Koon Hua
Goh Koon Hua
04:37 16 May 22
The technician Casmir has been very helpful. He guided me on why my previous water heater is not working and I have a plesant experience.
Kavid Yan
Kavid Yan
05:38 09 May 22
Satified with the replacement of a faulty water heater including installation and disposal service. Price was reasonable, satisfied with the customer service via Whatsapp and professional workmanship.
Cwk Keat
Cwk Keat
01:56 09 May 22
Thank you CSO Crichell and CSO Cora,The service for replacement is easy to arrange and on time. Good service and professional. now my heater has a brank new look.
Siva S
Siva S
08:26 08 May 22
Engaged the service to replace water heater tank and it was a prompt support by Customer support Mike and the technician Panduan whom came down performed the installation professionally!!
Rani Usha
Rani Usha
12:02 07 May 22
Raj was on time and did the job with the least noise. Very satisfied.
Yanzhong Huang
Yanzhong Huang
13:05 03 May 22
The deployex techs Mahfuz and Pandian were good and efficient.
Samir Yazid
Samir Yazid
08:50 01 May 22
Good job done by Raj and Yeasin!
Emily Tang
Emily Tang
06:56 28 Apr 22
Technicians (Casmir and Raj) are skilled in replacing the heater. They cleaned up the place after all the work is done. Good service and price is cheaper than other places. I was happy that I found this company.
maggie S
maggie S
02:29 28 Apr 22
On time. Professional response. Lowest reasonable quote of 3 vendors. No hard selling or pushing of other brand’s that are not suitable. No pushing of other services that are not required. Highly Recommended.
Harvey Chew
Harvey Chew
00:51 28 Apr 22
The plumber fixing the water heater arrived on time and was really friendly and honest. I really recommend them.
Joshua Ong
Joshua Ong
14:09 27 Apr 22
They really have one of the most knowledgeable and professional service to replace the water heater. I'll surely call them for any future water heater needs.
Wee Long Lim
Wee Long Lim
04:03 23 Apr 22
Good workmanship from Mr Madhuz and Mr Mani. Thanks
Dicky Yee
Dicky Yee
03:08 23 Apr 22
The CSO - Lorraine and Jinky are very prompt in replying my enquires. They are also professional in handling me as a customer. Really appreciate their hardwork and coordination.The plumber - Mahfuz is very friendly and professional. He is patience and able to explain to me how the water storage work. I appreciate he is on time and his professionalism.I would recommend the company to any household who need a water storage replacement.
Wee Song Tan
Wee Song Tan
08:53 22 Apr 22
Electricians Ladi and CasmirThey were professional & punctual with their delivery and calls in advance to confirm timing of installation.During the work , they handled all procedures with caution and care .Advise me on proper use of product and care.Lastly cleaned up before leaving .Recommended Everyworks for their package and installation service which in all inclusive.
Lynn Aziz
Lynn Aziz
07:18 21 Apr 22
I sent a message on Tuesday, 19 April and was subsequently attended to by CSO Jinky. He made several in-depth queries and subsequently arranged for my appointment to be on Wednesday, 20 April. On the day, Technician Raj came earlier than the allotted time. He was quick and there was minimal noise and dirt left after the project.Recommend this fuss-free company. Good service and professional.
Rajendra Balakrishnan
Rajendra Balakrishnan
11:57 20 Apr 22
The service provided by Shafikul and Yeasin in getting my water heater installed was nothing short of being timely, professional and seamless. They were courteous and respectful. They also did a neat job of drilling and installing my new heater. All in all, an extremely pleasant experience.
Dolly Low
Dolly Low
09:16 20 Apr 22
[Technician Pandian and CSO: Marc were efficient in their job
Palaniappan Alagappan
Palaniappan Alagappan
10:22 19 Apr 22
Services were up to my expectation, neat and clean installation by Mr. Pandian!
Daisy Khoo
Daisy Khoo
05:11 19 Apr 22
Fast n responsible. Technician very good to keep update when he is coming over.... pleasant spoken Technician. Job completion neat n help to clean up , effort to explain the heater usage.Highly recommended -[Technician GT Mahfuz : CSO Jinky and Marc
Wei Chia Goh
Wei Chia Goh
05:47 18 Apr 22
Very efficient and very fast. Thank you!
Koh Peck Lian
Koh Peck Lian
05:37 15 Apr 22
Very prompt response and quick replacement! Very satisfied with the job! 👍
Alice Tang
Alice Tang
05:15 15 Apr 22
Technician Mijan, Casmir and CSO Haze are very helpful with my water heater purchase and installation.
Yeong Meng Leong
Yeong Meng Leong
03:26 15 Apr 22
CSO Marc was very responsive and professional (not those 'text book' responses that one experiences with some businesses) and factual (in answering my queries) in my non-face conversación with him/her....that led me to conclude my work order with the company.I was not at home when Technician Casmir came to instal the new unit. But he prior called me and came within a few minutes. My son told me he did the job pretty timely and finished installation looks well done.A good experiencia for me and will most likely engage the company for future work.
Soh HC
Soh HC
12:53 14 Apr 22
Pandian; CSO Mike and Haze are very experience and professional in their work. Call to check if we are available earlier.
Elaine Chong
Elaine Chong
06:14 12 Apr 22
The technician Mahfuz came on time. He is very professional and efficient, everything done within one hour. Thank you
Siak Wee Sern
Siak Wee Sern
04:15 10 Apr 22
Good, fast installation by Ladi.
Ernie Er
Ernie Er
05:40 08 Apr 22
Technician: MahfuzCSO: Marc and CrichellMahfuz came on time for both the survey/inspection and for the installation. Workmanship for installation is good and detailed.Marc and Crichell were both helpful for the shedule arrangement and updates.Thanks Guys.
Tan Kheng meng
Tan Kheng meng
04:37 06 Apr 22
Technician Casmir very good and friendly
Teou Lai Chin
Teou Lai Chin
17:46 05 Apr 22
Customer service officer Haze replied to questions promptly and Technician Pandian is very professional and did his work neatly. I am happy with the service and everything went smoothly. Thank you, will definitely recommend to friends.
huang Qingguo
huang Qingguo
04:30 04 Apr 22
Come on time , very professional 🙂
Dorothy chan
Dorothy chan
03:16 04 Apr 22
CSOs Haze and Glenn were very responsive during the initial & after sales support. The technicians arrived way ahead of the appointment time on day of installation. Technicians Mijan and Yeasin were very skilled and installation completed seamlessly. Very happy with the whole experience.
Musa Aziz
Musa Aziz
10:52 03 Apr 22
Technician Casmir & CSO Haze were very helpful and knowledgeable on the products.
Jayaprakash Jayadevan
Jayaprakash Jayadevan
05:26 03 Apr 22
Prompt and excellent service
Alaric Ng
Alaric Ng
05:19 31 Mar 22
Thanks to Casmir and Mahfuz for the efficient installation!
Khairul Anwar
Khairul Anwar
04:25 31 Mar 22
Was looking around for a new storage water heater due to current one leaking. Sent an enquiry via watsapp and was attended to promptly. Recommended a Joven JH35. Confirmed order same day and delivery/installation was scheduled next day. Was served by technician Mr Mahfuz who was punctual, polite and professional. Completed removal of old unit and installation of new unit within 2hrs. Overall, hassle free and happy with the service. Recommended.
Patrick Lek
Patrick Lek
03:37 30 Mar 22
I would like to shoutout to Technician Pandian and CSO Hazelyn for their good and fast service. CSO Hazelyn is responsive to my queries and patience in answering my queries. Technician Pandian is fast in installing the water heater and also helpful with my queries. Highly recommended to engage them!
Peng Tan
Peng Tan
07:00 29 Mar 22
Technician Mijan arrived promptly and did a good job within hour. Our hot water supply is back...
Richard Yap
Richard Yap
15:30 24 Mar 22
The two technician assigned to me showed utmost aptitude, friendliness, and professionalism. They did absolutely everything to ensure that all my water heater installation is done properly. Thats why I highly recommend them.
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