Hot Water Systems Adelaide
From new installs to urgent repairs, we look after hot water systems across Adelaide. Most replacements happen the same day, with interest-free finance available.
199 Google reviews
- 5.0 on GoogleRead our 199 Google reviews
- Lifetime labour warrantyOn our workmanship
- Open 24/7Same rate after hours
- $50 off your first servicePensioner and veterans discounts
Hot Water Installation, Repairs and Replacement Across Adelaide
Fully licensed and insured, Simms Plumbing & Air Conditioning backs every job with a lifetime labour warranty, upfront fixed pricing, interest-free finance, and same-day replacement across southern Adelaide.
When your hot water fails, you want it back fast and sized right for the home. We install gas, electric and heat pump hot water systems across Adelaide, fit them to code, and explain the running costs first.
Hot Water Services We Provide Across Adelaide
We install, replace and repair every type of hot water system for homes across Adelaide:
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Gas Hot Water Systems
Gas storage and continuous flow units suit larger Morphett Vale households that want endless hot water, and we size, install and certify each gas hot water system for efficient operation.
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Electric Hot Water Systems
Simple and reliable, electric storage units remain a popular choice across Hallett Cove homes, and we supply, replace and connect (with electrical work carried out by a licensed electrician).
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Heat Pump Hot Water
Highly efficient heat pumps draw warmth from the air and use far less power than standard electric units, making them a smart upgrade for cost-conscious Aberfoyle Park families planning ahead.
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Continuous Flow Systems
Also called instantaneous units, continuous flow systems heat water on demand and never run out, which suits busy Flagstaff Hill homes where several people often shower at the same time.
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Hot Water System Installation
Whether you are building in Reynella East or replacing an old unit, our hot water system installation covers correct sizing, compliant connection, safe removal of the old heater, and commissioning.
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Repairs and Servicing
When a system underperforms, we diagnose faults like failed elements, dead thermostats and faulty valves, then repair or service the unit so Woodcroft households are not left without hot water.
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Emergency Hot Water Replacement
A burst or dead heater cannot wait, so we aim to arrive within the hour, supply a suitable replacement, and restore hot water to your Happy Valley home same day.
Why the Right Hot Water System Matters
Choosing and installing the right unit affects your bills for years, which is why Simms gets it right:
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Lower Running Costs
Water heating is one of the biggest energy costs at home, and the Australian Government reports a heat pump uses about a third of a standard electric unit's energy use.
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No More Cold Showers
A system sized for your household means reliable hot water every morning, so growing families across southern Adelaide are not left fighting over the last warm shower of the day.
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Sized for Your Household
Too small and you run out, too large and you pay to heat water you never use, so we match the tank or flow rate to how your family lives.
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Rebates and Incentives
Efficient heat pump and solar systems can qualify for small-scale technology certificates that cut the upfront price, and we help you understand which rebates apply before you choose a system.
Our Hot Water Installation Process, Step by Step
Every hot water system we fit across Adelaide follows the same careful, step-by-step approach:
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Talking Through Your Needs
We discuss your household size, budget and energy preferences, then recommend the system that genuinely suits your home and usage.
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A Clear Fixed Quote
Before any work starts, we put the full price in writing, including the unit, installation and removal, with no surprises.
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Removing the Old Unit
Our team safely disconnects and removes your old heater, manages the waste responsibly, and prepares the site for the replacement.
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Installing to Code
We install and connect the new system to the relevant plumbing, gas and electrical standards, then fit a tempering valve.
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Testing and Commissioning
We pressure-test the connections, check the temperature, confirm safe operation, and make sure hot water flows properly to every outlet.
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Handover and Compliance
Finally, we explain how your new system works and leave care advice.
Speak to the family today
for same-day service
One call and we'll talk you through your options, with same-day service wherever we can manage it and the same rate after hours, 24/7.
Common Hot Water Problems in Adelaide Homes
These are the hot water faults our Adelaide customers call us about most often:
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No Hot Water at All
A dead electric element, a pilot light that will not stay lit, or a tripped circuit can all leave you with no hot water, and each needs a different fix.
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Running Out Too Quickly
If your hot water disappears mid-shower, the tank may be undersized for the household or sediment may have built up inside, reducing how much usable hot water it can hold.
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Water Too Hot or Scalding
A failed tempering valve can send dangerously hot water to your taps, so South Australia requires personal-hygiene outlets to deliver water no hotter than fifty degrees to prevent scalding injuries.
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Leaks and Rusty Water
Pooling water around the base or rusty discolouration usually means the tank or anode has corroded, and once a steel cylinder leaks it almost always needs replacement rather than repair.
Hot Water Solutions for Every Property
Different buildings call for different systems, so our advice changes with the property:
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Established Family Homes
Older O'Halloran Hill homes often run ageing electric storage units, and a heat pump or continuous flow upgrade can cut running costs noticeably while freeing up space in the laundry.
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New Builds and Extensions
For new Reynella East builds, we help you choose a system that meets current energy requirements from day one, sized correctly for the extra bedrooms and bathrooms you are adding.
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Units and Apartments
Compact Hallett Cove units often suit a continuous flow or small electric system, and we work within tight cupboard spaces and strata rules to install one that fits the space.
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Rentals and Investments
Landlords and agents rely on us for fast, compliant replacements that keep tenants in hot water and provide the paperwork needed to meet maintenance obligations and document it for insurers.
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Cafes and Commercial Sites
Busy Morphett Vale cafes and salons need a reliable, high-capacity supply, so we specify and install commercial-grade systems that keep hot water flowing through the busiest trading periods without interruption.
Keeping Your Hot Water Installation Safe and Compliant
Hot water touches gas, electrical and plumbing work, so compliance is built into how we operate:
- Licensed plumbers and gasfitters on every job, regulated in South Australia by the Office of the Technical Regulator
- Director Daniel holds a Certificate IV in Plumbing and Gas, plus Builders Licence BLD341932
- Hot water installed to AS/NZS 3500.4, the heated water services standard, including a tempering valve for safe delivery temperatures
- South Australian Trade Licence 315246, with full public liability insurance held at all times
Simms Plumbing & Air Conditioning is fully licensed and insured, and ARC accredited (Licence AU066279).
Licensed, insured, checkable
- SA trade licence
- 315246
- Builders Licence
- BLD341932
- ARC refrigerant licence
- AU066279
- Qualification
- Cert IV Plumbing & Gas
Why Choose Simms Plumbing & Air Conditioning
On hot water, a few things set our family-run team apart from the big franchises:
199 Google reviews
Run by our family, for your family.
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Same Rate, Day or After Hours
Many plumbers add a premium for after-hours call-outs, but we charge the same rate at night, so an emergency hot water failure costs no more than a standard weekday visit.
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Same-Day Replacement, Often Within the Hour
We stock common gas and electric units on the van and aim to arrive within the hour, replacing most failed systems the same day right across Hallett Cove and beyond.
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Pensioner and Veterans Discounts
As a local family business, we offer pensioner and veterans discounts on hot water work, our way of giving back to the southern Adelaide community that keeps on recommending us.
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Lifetime Warranty on Our Workmanship
Every system we install carries a lifetime labour warranty, and director Daniel Simms personally stands behind the workmanship, so any issue with our installation is put right at no cost.
The Adelaide Suburbs We Cover
What Adelaide Customers Say About Us
- Google review
“Very pleased with the service we received from Daniel. We needed a new hot water service in Happy Valley and it was arranged with minimum fuss. …”
Andrew Waldie
June 2026 - Google review
“Thoroughly impressed with Daniel. From the moment he came to give a quote to the moment he walked out the door with the completed job he was professional, curteous, and considerate. He went above and beyond to listen to my needs and …”
Angela Niejalke
August 2026 - Google review
“Daniel came out today to unblock a drain for me. He was following up a request that I had only phoned him about yesterday. He arrived promptly and after introducing himself, he clearly communicated to me what the job would entail. As the …”
Janine Brown
August 2026 - Google review
“Very happy with the plumbing service. He cleared the blocked pipe caused by tree roots and cleaned everything properly. He also fixed and added some parts to the inspection points. …”
Geetha Harshani
August 2026 - Google review
“Daniel came and changed our shower taps over for a mixer tap. Great price and thorough work. Also added a pressure reduction valve for us. Highly recommend”
Shane Picken
May 2026 - Google review
“Brilliant service. Searched for evaporative aircon repairs in Happy Valley as ours died on one of the hottest days of summer (43°) before a long weekend. Daniel came out and diagnosed it on a Sunday. …”
Kingsley Smith
January 2026 - Google review
“I had an excellent experience with Simms Plumbing. I contacted Daniel regarding a blocked drain, and he was able to fit me in on the same day. He not only fixed the immediate issue but also conducted an inspection to check for potential …”
Manoj Meemanage
January 2026 - Google review
“I am at Richmond; contacted Daniel to install air con through hi pages which he did within a week. Very informative and professional. Did other extra jobs for us too; appreciate it. …”
prity gurung
January 2026 - Customer testimonial
“Daniel did a great job replacing the water tank pump and outlet. It looks top quality. Daniel was respectful, professional and patient. He showed up when he said he would and communicated with me throughout the job.”
Julie Connell
- Customer testimonial
“I use Simms plumbing gas & Air con as my go to company when my clients are after a reliable plumber. Being a specialist in all 3 major industries makes life for me a lot easier.”
Matt Sheehan
- Customer testimonial
“Simms is very reasonably priced, does a great job with the install, and won't give you the bum steer on what you need. Daniel was fantastic at communicating everything I needed, and also giving me the option of different fittings so I could make an informed decision.”
Scott Willis
- Customer testimonial
“I use Simms plumbing gas & Air con as my go to company when my clients are after a reliable plumber. Being a specialist in all 3 major industries makes life for me a lot easier.”
Matt Sheehan
Run by our family, for your family.
Stuck Without Hot Water?
Cold showers tonight? Get hot water back fast. Phone Simms Plumbing & Air Conditioning on 0420 104 118 for same-day replacement across Adelaide, interest-free finance, fixed upfront pricing, and a lifetime labour warranty on every hot water system we install.
Frequently Asked Questions
Adelaide homeowners choosing a hot water system ask us these six questions most often:
How much do hot water systems in Adelaide cost?
It depends on the type and size, but we quote a fixed price upfront, with interest-free finance available and rebates applied where your chosen system qualifies for them.
Which is better, gas or electric hot water?
It depends on your home and usage; gas suits high continuous demand, while a heat pump or electric system can be cheaper to run, especially when paired with solar.
How quickly can you replace a failed hot water system?
In most cases the same day; we carry common gas and electric units, so an Aberfoyle Park household is rarely left waiting long without hot water.
Do you remove and dispose of the old unit?
Yes; our installation includes safely disconnecting and removing your old heater and disposing of it responsibly, so you are not left with the old tank to deal with.
Are you licensed to install gas hot water?
Yes; Simms Plumbing & Air Conditioning is fully licensed for plumbing and gas work (Builders Licence BLD341932).
How long does a hot water system last?
Most storage systems last eight to twelve years, while heat pumps and continuous flow units often last longer, especially when serviced and fitted with a working tempering valve.