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.
Gas / Solar HWU Plant Installation in College Grove, WA 6230
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.
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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.
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!
Discuss your commercial hot water plant requirements
Hot water planning for larger commercial sites
A gas and solar hot water plant is suited to a building where hot water demand, daytime use or energy-reduction priorities warrant a connected plant rather than a single standalone unit. Solar collectors can heat water during the day, while gas plant boosts water to the required temperature when solar gain is insufficient.
Commercial hot water systems may serve multiple fixtures, rooms, tenancies or operational areas. A well-prepared installation enquiry helps a plumbing business understand the existing plant, the location of the work and the practical conditions that may affect planning.
How gas-boosted solar hot water plant works
A commercial solar hot water system installation with gas booster combines two heat sources. Roof-mounted solar collectors, or collector arrays on a frame, usually capture solar energy during the day. Water is stored and managed through the plant, with gas boosting available when the solar contribution does not meet the required temperature.
This arrangement may be considered where a building has high daytime hot water demand or where reducing energy use is a priority. The final plant arrangement depends on the site, existing equipment, access and operational requirements.
Equipment customers may see around the site
A commercial solar preheat gas hot water system installation may involve solar collectors, insulated flow and return pipework, solar storage tanks, gas boosters, pumps, controllers, sensors, tempering valves and safety valves. Storage tanks are often large vertical cylinders located in a plant room, roof plant area or external compound.
Other components can include isolation valves, non-return valves, expansion control valves, pressure and temperature relief valves, thermostatic mixing valves, air bleed valves, strainers, check valves and drain valves. Their presence reflects the interconnected nature of commercial hot water plant.
When installation planning deserves close attention
Installation may be part of a new plant decision, an upgrade to an existing commercial hot water arrangement, or a response to changing site needs. Before selecting a plumbing business, it is useful to establish whether the work relates to an existing solar and gas plant, a planned replacement or a new system arrangement.
Plant may be located in a basement plant room, rooftop plant area, service cupboard, external compound, laundry, commercial kitchen, mechanical services room or dedicated hot water enclosure. Location matters because access arrangements, roof access, working-at-heights controls, site inductions and shutdown restrictions can all affect how work is planned.
Information that supports a productive first conversation
- Site address and the plant-room, roof or compound location.
- Photos of solar collectors, tanks, gas boosters, controller displays and data plates.
- Make, model and serial details where available.
- Whether hot water demand affects all users or only part of the building.
- Site access requirements, inductions, permitted working hours and shutdown restrictions.
- Previous service records, manuals, drawings and known fault history.
- The person authorised to approve work.
Existing plant signs worth recording
If installation planning follows concerns with an existing system, record what has been observed rather than trying to diagnose the cause remotely. Useful observations can include poor solar contribution, cold water complaints, loss of circulation, overheating, relief valve discharge, controller messages or poor performance during peak periods.
Details such as whether an issue occurs in the morning or evening, whether the gas booster appears to be operating, and any displayed fault codes can give a plumbing business clearer context. Photos of labels and the surrounding plant area can also help identify the equipment involved.
Choosing a Master Plumber for commercial hot water work
Commercial and industrial sites can have higher access, continuity and asset-information requirements than a typical household job. When approaching a plumbing business, be ready to discuss plant location, asset identifiers, access conditions, site induction requirements, maintenance records and any planned shutdown window.
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.
The Association has represented Western Australia’s plumbing and gasfitting industry since 1901. Its purpose includes promoting quality plumbing that protects community health and safety.
Brands and products customers may encounter
Commercial hot water plant can involve products and supply channels from a range of businesses. Examples customers may encounter include Rheem, Rinnai, Bosch, Dux, Thermann, Solahart, Envirosun, Apricus, Grundfos and Wilo. Other names associated with the broader plumbing supply chain include Reece, Galvins and Tradelink.
Data plates, controller displays, pump labels and existing service records can help identify the equipment already installed. Sharing those details gives a plumbing business useful context when discussing a gas / solar hwu plant installation or changes to an existing plant.
Related commercial hot water work
A solar preheat arrangement is only one form of commercial hot water plant. Depending on the system and the purpose of the work, a customer may also need to consider gas and heat pump plant installations, gas hot water plant installation, circulating pump installation, tempering valve installation or thermostatic mixing valve installation.
Where equipment is already in place and the concern is performance or a fault rather than a new installation, repairs and maintenance for gas and solar hot water plant may be the more relevant next step.
Frequently asked questions
What is a gas and solar hot water plant?
It is a connected commercial hot water arrangement that uses solar collectors to pre-heat water and gas plant to boost water when solar gain is not enough.
Where is commercial solar hot water equipment commonly located?
Collectors are usually installed on a roof or frame. Storage tanks and other plant may be located in a plant room, roof plant area or external compound.
What details should be provided when discussing installation?
Useful details include the site and plant location, photos of equipment and data plates, access requirements, existing records, shutdown restrictions and the authorised contact person.
Why do roof access details matter?
Solar collectors are commonly roof-mounted, so roof access and any height-safety requirements can affect how installation work is planned.
Can Find a Master Plumber help customers choose a plumbing business?
Yes. Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with Master Plumbers WA.
For a gas / solar hwu plant installation, gather available plant details, site access information and records before choosing a plumbing business through Find a Master Plumber.