Solahart South West has been helping homes and businesses across the South West transition to renewable energy for more than 30 years. Based in Bunbury, the business specialises in solar hot water systems, solar power installations, battery storage solutions, heat pumps and energy-efficient hot water technologies. With a team of qualified installers and strong local knowledge, Solahart South West delivers tailored renewable energy solutions backed by industry-leading products and trusted service. Known for quality workmanship, customer support and a commitment to sustainable energy, Solahart South West continues to be one of the region's most trusted solar and hot water specialists.
Heat Pump Hot Water Systems in Carey Park, WA 6230
Mainline Plumbing is a trusted Bunbury-based plumbing and gas fitting business servicing residential, commercial and rural clients throughout the Southwest of Western Australia. Known for its prompt response times and professional service, the company specialises in emergency plumbing, hot water systems, gas fitting, blocked drains, maintenance plumbing, septic systems and renovation projects. With a strong focus on customer satisfaction and quality workmanship, Mainline Plumbing provides reliable plumbing solutions backed by experienced tradespeople, 24/7 emergency support and a commitment to delivering practical, cost-effective outcomes for every client.
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Koormal Contracting is Western Australia's largest Indigenous-owned plumbing contractor based in Bunbury, delivering specialist plumbing, gas fitting, civil drainage and asset maintenance services throughout regional and remote Western Australia. The company services the commercial, utilities, mining and government sectors, combining technical expertise with a strong commitment to Indigenous engagement, culture and community outcomes. Owned and operated by Gavin "Possum" McGuire and Michael Jones, Koormal Contracting brings together more than 50 years of combined experience in remote and regional project delivery. The business has built a reputation for quality workmanship, safety, reliability and successfully delivering complex infrastructure and maintenance projects across Western Australia.
Plumbing is Easy with RMC! Our experienced team specialises in maintenance, repairs, and new installations, focusing on quality workmanship, honest pricing, clear communication, and dependable results. Experience excellent customer service with top quality plumbing and gas services across Bunbury, Eaton, Australind, Dalyellup, and the greater Southwest region. Free Quotes Available!
Gilmour Plumbing & Gas is a Bunbury-based plumbing and gas fitting business servicing residential and commercial clients across Bunbury and the South West region. The business provides practical plumbing and gas support across maintenance, renovations, hot water systems, leak repairs, gas installations, drainage and water efficiency solutions. With a focus on prompt, professional and reliable service, Gilmour Plumbing & Gas supports homeowners, businesses and property owners with quality plumbing and gas fitting services. The business combines local South West knowledge with practical trade experience across domestic, commercial and sustainability-focused plumbing work.
Bunbury Plumbing Services is a Bunbury-based plumbing and controlled waste services business providing residential, commercial and regional plumbing support across Bunbury and the South West. Originally established in 1990 as Bunbury Plumbing Services, the business has grown from a dedicated maintenance plumbing provider into BPS (WA) Pty Ltd, offering plumbing, emergency repairs, appliance installations, solar water heaters, sewer conversions, backflow testing, septic waste services and potable water cartage. With a strong focus on reliable service, customer care and quality workmanship, Bunbury Plumbing Services supports clients with both everyday plumbing needs and larger service requirements. The business operates a modern fleet including controlled waste tankers, excavators, tip trucks, low loaders, potable water tankers and other specialist equipment, allowing the team to complete work efficiently and safely across a wide range of sites.
APG Plus is a South West-based plumbing, gas, electrical and facility maintenance business operating from East Picton and servicing Bunbury, surrounding towns and wider WA. Established in 1991, APG Plus provides residential, commercial and industrial plumbing and gas services, supported by experienced tradespeople, strong customer service and a broad capability across maintenance, construction, repairs and asset management. The business is well suited to homeowners, commercial property owners, builders, facility managers, industrial clients, aged care facilities, health care providers and businesses requiring reliable planned or reactive maintenance. APG Plus’ services include plumbing and drainage, gas fitting, hot water systems, backflow prevention, roof plumbing, drainage, pump stations, fire pump sets, wet fire systems, filtration, electrical maintenance and general building maintenance. With 24/7 phone availability and strong South West capability, APG Plus provides a practical one-stop service for plumbing, gas and maintenance needs.
MW Plumbing (WA) Pty Ltd is a Western Australian locally owned and operated plumbing company providing high-quality residential and commercial plumbing, gas fitting and renovation services throughout Bunbury, Davenport and the South West region. The business has established a strong reputation for quality workmanship, personalised service and attention to detail, specialising in bathroom renovations, hot water systems, plumbing maintenance and new plumbing installations. With an experienced team and customer-focused approach, MW Plumbing delivers practical, reliable and compliant plumbing solutions tailored to every project.
Find the right hot water service
Make an informed choice about your hot water
A heat pump hot water system may be considered when replacing an existing unit, planning work at home or investigating a hot water fault. Unlike a conventional tank alone, a heat pump water heater usually combines a storage cylinder with a refrigeration-style compressor unit attached to, or located near, the tank.
For homes, apartments and smaller private properties, the immediate concern may be no hot water, water that is only lukewarm, a leak, a fault code or unusual noise. A clear description of what has changed helps a plumber understand whether the next step may be a service call, a planned repair or a larger scoped item.
How a heat pump water heater heats stored water
A heat pump system draws heat from the surrounding air and transfers that heat into water held in its tank. It works in a similar way to an air conditioner in reverse, using components that include a compressor, fan, evaporator and heat exchanger.
Because the unit draws from surrounding air, it is commonly located outside or in a ventilated plant area. The location and available airflow are practical points to raise when discussing heat pump hot water system installation, replacement or an existing system that is not operating as expected.
Signs a heat pump system may need attention
Hot water faults can have more than one cause, so it is sensible not to diagnose the system remotely. The following signs are useful to note when speaking with a plumber:
- cold water or inconsistent hot water;
- unusual or excessive noise from the unit;
- a fault code or apparent sensor error;
- water around the unit, including relief valve leaks or condensate drainage concerns;
- restricted or blocked airflow; and
- an issue with the compressor or fan.
Record when the issue began, whether it is constant or intermittent, and any visible changes around the unit. That information gives the plumbing business a more useful starting point than a general report that the hot water is not working.
Prepare for a heat pump hot water system installation or repair discussion
Whether you are considering a new heat pump hot water system or seeking help with an existing one, a few practical details can make the initial conversation more productive.
- Identify the asset: note the make, model, serial number, approximate age, system type and energy source. A photo of the data plate is helpful.
- Describe the symptoms: include cold or lukewarm water, leaks, relief valve discharge, fault codes, noise or inconsistent temperature.
- Show the setting: provide photos or short videos of the equipment, surrounding area and any visible issue.
- Explain access: share the property address, contact person and best access instructions.
- Flag immediate concerns: advise of urgency, safety concerns, whether the area is occupied, and the status of water, gas or electrical isolation where known.
- Include history: share available service history, tank level and valve positions where relevant.
Installation, servicing and repair are different decisions
A new system, an existing fault and an ageing unit do not necessarily call for the same approach. A plumber will usually confirm the equipment, reported symptoms, access, isolation points and the consequence of failure before determining whether the work is suited to a quick service call, planned repair or a larger scoped item.
For a replacement or heat pump hot water system installation, share what system is currently in place and provide clear images of the equipment area. For a fault, focus on the symptoms and any messages or changes you have observed. This keeps the discussion connected to the actual system rather than assumptions about the cause.
Products and names you may encounter
When researching equipment or discussing an existing system, customers may encounter names such as Rheem, Dux, Thermann, iStore, Sanden, Stiebel Eltron, EvoHeat, Hydrotherm, Solahart, Quantum and Chromagen. Reece, Galvins, Tradelink and Plumbing Plus are also among the supply channels associated with this service.
These are examples of brands, product systems and supply channels associated with heat pump hot water work, rather than a recommendation of any particular product or provider. The make and model already installed at a property are useful details to pass on when seeking assistance.
Choose a Master Plumber with useful information in hand
Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia. Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for their property or project.
Bring the system details, symptoms, photos and access information together before making contact. This can help you explain whether you are looking into a heat pump hot water installer for a new or replacement system, or need a plumbing business to consider an existing heat pump unit.
Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia, which has represented Western Australia’s plumbing and gasfitting industry since 1901.
Other hot water options to consider
Heat pumps sit within the broader hot water systems service family. Depending on the equipment already installed and the work being considered, you may also need help with electric hot water systems, electric instant hot water, gas hot water systems, gas instant hot water, solar hot water systems or tempering valve work. Select the service that best matches the system or issue you need to discuss.
Frequently asked questions
What is a heat pump hot water system?
It is generally a storage cylinder with a refrigeration-style compressor unit attached or nearby. The system draws heat from surrounding air and transfers it into water stored in the tank.
Why is my heat pump hot water system producing cold water?
Cold water can be associated with issues including compressor faults, fan failure, sensor errors or blocked airflow. A plumber can consider the equipment, symptoms and site conditions before determining the appropriate next step.
Where are heat pump water heaters commonly located?
They are commonly located outside or in a ventilated plant area because they draw heat from surrounding air. The existing location and surrounding area are useful to show in photos.
What information should I provide before a plumber attends?
Provide the make, model, serial number, approximate age, system type, energy source, service history, photos of the data plate and surrounding area, symptoms, access instructions and any known isolation status or safety concerns.
Can unusual noise indicate an issue with a heat pump system?
Excessive noise is one of the symptoms worth reporting. Note when it occurs and provide a short video where possible so the plumbing business has clearer context.
Do heat pump hot water systems need airflow?
These systems draw heat from surrounding air, and blocked airflow is among the issues that may affect operation. Their location and ventilation are therefore relevant details when discussing the system.
If your property has a different type of system or a related hot water concern, use the relevant service category to narrow your search before choosing a plumbing business through Find a Master Plumber.