Heat Pump Hot Water Repairs Melbourne
Licensed Melbourne Plumbers Who Repair Replace & Install Heat Pump Hot Water Systems
No hot water, an error code on the display, an outdoor unit iced up in the morning, or a compressor that never stops running? We repair heat pump hot water systems across Melbourne, with same-day bookings for households with no hot water. We diagnose whether the fault is a controller, fan, compressor, refrigerant, sensor or tank issue, then fix what’s actually wrong.
- Lifetime workmanship warranty
- $55 off first job
- Local Melbourne Team
- Upfront Fixed Pricing
- 5.0 Stars, 206+ Google Reviews
We'll call you back — usually within the hour
Heat Hot Water System System Repairs in Melbourne
No hot water, an error code on the controller, ice building up on the outdoor unit, or a system that keeps tripping the switchboard? We repair the plumbing and mechanical side of heat pump hot water systems across Melbourne, with same-day bookings for urgent breakdowns. We diagnose the real fault, whether it’s a valve, sensor, fan, compressor or tank, then fix or replace what needs doing.
- Local Melbourne Team
- Upfront Fixed Pricing
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We'll call you back — usually within the hour
Heat Pump Hot Water Services We Provide in Melbourne
Heat Pump Fault Diagnosis & Repair
Error codes, no hot water, or a system that keeps cutting out? We diagnose the real fault, whether it's a controller, sensor, fan motor, compressor or refrigerant issue, and repair what's actually broken instead of pushing a full replacement.
No Hot Water Diagnosis
No hot water, or water that never gets properly hot? We check the tank, controller, sensors, element (on hybrid units) and pipework to find why your heat pump has stopped delivering, and get you back into hot water as fast as possible.
Iced-Up Outdoor Unit & Defrost Faults
Ice building up on your outdoor unit on cold Melbourne mornings usually means the defrost cycle isn't running properly. We check the fan, sensors, and defrost control, then repair the fault so the system runs cleanly through winter.
Heat Pump Replacement
Older heat pump on its last legs, or one that keeps failing? We replace end-of-life units with a properly sized system suited to your household, sort the plumbing, electrical rough-in coordination, and old unit removal, no sales pitch attached.
New Heat Pump Installation
Bought a heat pump directly or through a rebate program? We install customer-supplied units to manufacturer spec, connect the plumbing, coordinate the electrical, and pressure test the system so your rebate paperwork and warranty stay valid.
Heat Pump Servicing & Maintenance
A well-serviced heat pump runs cheaper, quieter and longer. We inspect the tank, anode, valves, sensors, controller, refrigerant lines and outdoor unit, then flag anything that needs attention before it becomes a full breakdown.
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Your Melbourne Heat Pump Hot Water Repair Plumbers
Every winter we get calls from Melbourne homeowners standing in a cold shower, staring at a flashing error code, or watching an outdoor unit crusted with ice at 6 am. As licensed plumbers who work on heat pump hot water systems every week, we’ll find the real cause, whether it’s a controller, sensor, valve, fan, compressor or tank, and give you a straight answer on whether it’s a repair worth a few hundred dollars or a replacement worth doing properly.
We’re plumbers, not a heat pump retailer. That means no upselling you into a brand-new unit when your existing one has years left, and no sales commissions steering the diagnosis. We repair, we replace when it’s the right call, and we install units you’ve already purchased. That’s it.
Call 0420 646 641 to speak with a licensed Melbourne plumber, or fill out the form for a fast quote.
Your Melbourne Heat Pump Hot Water Repair Plumbers
Every winter we get calls from Melbourne homeowners standing in a cold shower, staring at a flashing error code, or watching an outdoor unit crusted with ice at 6 am. As licensed plumbers who work on heat pump hot water systems every week, we’ll find the real cause, whether it’s a controller, sensor, valve, fan, compressor or tank, and give you a straight answer on whether it’s a repair worth a few hundred dollars or a replacement worth doing properly.
Call now at 0420 646 641 to speak with a plumber in Melbourne or fill out the form to get a quick quote.
Our customers regularly tell us they appreciate our professional approach, friendly service, and reliable results. Many have shared that our team did a fantastic job and delivered great service at a good price.
Heat Pump Hot Water Problems We Commonly Fix in Melbourne
0420 646 641
A dead heat pump in the middle of a Melbourne winter isn’t something that waits. We offer same-day bookings across Melbourne; we turn up when we say we will, and we send an SMS with photo ID before we arrive. Clear pricing, no hidden charges, and a straight answer on what your system actually needs.
- Same-Day Service
- Licensed & Insured
- Clear Pricing, No Surprises
0420 646 641
Heat Pump Hot Water Faults & Fault Diagnosis in Melbourne
This is the part most operators skip, and the part that matters most once your heat pump stops working properly. If your system is playing up, here’s what’s usually happening and what to do about it.
Is it a controller fault, a sensor, or something more serious?
Most heat pumps display an error code before they fully fail. A fault on a temperature sensor, high-pressure switch, or communication line is often a straightforward repair once the code is properly diagnosed. What isn't straightforward is a controller that clears the code every time it's reset, or one that ignores the fault entirely, which usually points to a deeper compressor, refrigerant or board issue. A licensed plumber can read the fault log, isolate the cause, and tell you what's actually going on.
Why your outdoor unit ices up on Melbourne winter mornings
Every heat pump uses a defrost cycle to melt frost off the outdoor coil. On cold Melbourne mornings, especially in the outer north and east, that cycle runs several times a night. If the defrost sensor is faulty, the reversing valve is stuck, or the fan is failing, ice builds up faster than the system can clear it, and heating output drops to almost nothing. Caught early, it's usually a sensor, fan or valve repair rather than a full unit replacement.
When a panel can be repaired vs when it needs a bypass or replacement
If a system freezes (because the valve failed or was never fitted), the collectors can crack internally where you can't see it, then leak the moment they thaw. Frozen, split collectors usually can't be repaired. In that case we'll either bypass the solar collectors and keep you running on the booster, or replace the affected panel or system. We'll give you the straight call on repair versus replace before we start.
When a heat pump can be repaired vs when it needs replacing
A refrigerant top-up, sensor swap, valve or fan repair is usually well worth doing on a unit under 10 years old. Once you're looking at a failed compressor, a leaking tank, or a system past its warranty window that's had multiple faults, replacement is often the better long-term value. We'll give you the straight call before we start, including realistic operating life expectations for your specific brand and model.
Rebate and warranty protection: why the install matters
Federal STC rebates and the Victorian Energy Upgrades program both require licensed installation to remain valid. So do manufacturer warranties. A cheap or unlicensed install can void your rebate, void the warranty, and leave you paying full replacement cost if something goes wrong two years in. Whether we install a new unit or repair an existing one, everything is done to the manufacturer's spec so your paperwork holds up.
Emergency Heat Pump Hot Water Repairs in Melbourne
No hot water in the middle of winter
No hot water in the middle of a Melbourne winter is an emergency for most households. We prioritise same-day bookings and get you back into hot water fast.
Iced-up outdoor unit at dawn
An outdoor unit crusted with ice usually means a failed defrost cycle. We diagnose the fault on the spot and, where possible, repair it the same visit.
Leaking heat pump tank or pipework
A leaking tank, condensate line or connection can damage floors, cabinetry and switchboards. We isolate the leak fast and repair or replace what’s failed.
System keeps tripping the switchboard
A heat pump that trips the breaker points to an electrical or component fault. We coordinate with a licensed electrician to isolate the cause and get it sorted.
0420 646 641
Heat Pumps In Melbourne's Cold Suburbs
Why Heat Pumps Struggle in Melbourne Winters
Melbourne isn’t the coldest city in Australia, but it’s cold enough to give heat pump hot water systems a proper workout. Anyone in the outer suburbs knows the frosts hit hard from May through August, and that’s exactly when the calls start coming in.
The way a heat pump works, pulling warmth out of the outside air to heat your water, means it works harder as the outdoor temperature drops. The defrost cycle runs more often. The compressor runs longer. The refrigerant is under more strain. If any part of that system is worn, undersized, or badly sited, winter is when it shows.
It’s worst in Melbourne’s cooler, elevated pockets: Melton, Sunbury, Craigieburn and Whittlesea in the north and west, the Dandenong Ranges and Yarra Valley in the east, and the Macedon Ranges. But we see winter heat pump breakdowns right across the metro every year, from Brunswick townhouses to Werribee family homes.
We work on all major brands, including Sanden, Reclaim, iStore, Rheem Ambiheat, Stiebel Eltron, Chromagen, Aquatech, Emerald, Bosch and Enviroheat, whether or not we installed the unit originally.
How We Repair Heat Pump Hot Water Systems
Find the Real Cause
We inspect the controller fault log, tank, valves, sensors, fan, compressor and refrigerant side to work out exactly what's failed, not just what the symptom looks like on the surface.
Fix It or Quote It Straight
Where it's a repair, we carry the common parts and get you sorted on the spot. Where it's a bigger job or a replacement, you get a clear itemised quote before any work begins, with no pressure.
Test and Protect for Next Winter
We run the system end to end, confirm the fault is cleared, check the heating cycle is holding, and make sure you're set up to get through the rest of winter without another call-out.
Why Choose Select Plumbing & Gas for Heat Pump Hot Water Repairs
Licensed Melbourne plumbers who work on heat pumps
We repair, replace and install heat pump hot water systems across the Melbourne metro every week, so we know how these units behave through Melbourne's winters and exactly where the common faults show up.
We diagnose before we quote
You get a clear answer on whether your system needs a repair or a replacement, with an upfront price, before any work starts. There's never a surprise line item waiting on the invoice.
Same-day and emergency repairs
No hot water, an iced-up outdoor unit, or a leaking tank in the middle of winter? We offer same-day bookings and fast response right across Melbourne to get you sorted quickly.
Repair-first, not replacement-first
Plenty of operators will push a new heat pump because that's the bigger sale. We repair what can be repaired and only recommend replacement when it's genuinely the better call, so your money goes to what actually needs doing.
We don't sell heat pumps; we make them work
We're not a heat pump retailer or a sales-driven brand pusher. We repair the units already on your property, install units you've purchased, and give straight advice on what your system actually needs.
Browse a selection of real jobs our team has completed across Melbourne, from emergency callouts to full system installations.
Northcote, Melbourne
Fitzroy North
Brunswick
Essendon
Richmond
At Select Plumbing and Gas, We Work with Leading Brands in the Plumbing Industry.
Local Melbourne Plumbers You Can Trust
Frequently Asked Questions: Heat Pump Hot Water Repairs Melbourne
Why is my heat pump hot water system not producing hot water?
The usual causes are a faulty sensor, a controller fault, a stuck valve, low refrigerant, or a compressor issue. A licensed plumber can read the fault code, isolate the real cause, and repair it in most cases.
Do you repair all heat pump hot water brands?
Yes. We repair Sanden, Reclaim, iStore, Rheem Ambiheat, Stiebel Eltron, Chromagen, Aquatech, Emerald, Bosch, Enviroheat and others, whether or not we installed the system originally.
My outdoor unit is iced up in the morning. Is that normal?
Some frost overnight is normal in winter. Persistent ice that doesn’t clear once the defrost cycle runs points to a faulty sensor, fan, or reversing valve. It’s worth booking a diagnosis before it fails.
Do you sell heat pump hot water systems?
No. We’re plumbers, not a heat pump retailer. We repair existing systems, replace end-of-life units, and install units you’ve purchased directly or through a rebate program.
Can you install a heat pump I bought through a government rebate program?
Yes. We install customer-supplied units, coordinate the electrical rough-in, and complete the plumbing so your rebate paperwork and manufacturer warranty stay valid.
How quickly can you repair my heat pump in Melbourne?
For urgent jobs like no hot water in winter or a leaking tank, we offer same-day bookings across Melbourne and respond as fast as we can.
Should I repair or replace my heat pump hot water system?
It depends on the fault and the age of the unit. Sensor, valve and controller repairs are usually well worth doing. A failed compressor, leaking tank, or system past 10 years often makes replacement the better long-term value. We’ll give you an honest recommendation either way.
How much does a heat pump hot water repair cost in Melbourne?How much does a heat pump hot water repair cost in Melbourne?
Cost depends on the fault, the brand, and whether parts are required. We diagnose first, then give you a clear itemised quote before any work starts, so you know exactly what you’re paying for.