🏷️ Brand – Stiebel Eltron
🔢 Model Number – SHP-O 300
💧 Volume (L) – 300
👨‍👩‍👧‍👦 Recommended Maximum Number of Occupants –
💰 Estimated Annual Savings* – $
📊 Coefficient of Performance (COP) –
🔌 Electrical Connection Type – 10 Amp Lead - NO PLUG
📏 Width – 650mm
📏 Height – 1903mm
⚖️ Weight – kg
🌍 Manufactured In – Europe
🔩 Cylinder/Heat Exchange Material –
🛡️ Cylinder/Heat-Exchange Warranty – 5 Years
🔇 Noise Level – dBa
🛏️ Avoid Install Next to Sleeping Areas –
⚡ Energy Source –
📡 WiFi Controller Built In or Compatible – Yes
⏲️ Built-In Timer –
💡 LED/LCD Status Indicator – Yes

Stiebel Eltron SHP-O 300 Plus 3HR Free Power Ready Installation in Brisbane & Gold Coast

The Stiebel Eltron SHP-O 300 Plus is a premium 300 litre heat pump hot water system now available as a smart 3HR Free Power Ready option for Brisbane, Gold Coast and South East Queensland homes preparing for the free daytime electricity window.

This system is designed for households that want lower long-term hot water running costs, strong stored hot water capacity and a smarter way to use daytime power. Instead of relying on a standard electric element to do most of the heating, the SHP-O 300 Plus uses heat pump technology to draw energy from the surrounding air and transfer it into the water tank.

For homes preparing for 3 hour free power, that matters. A heat pump does not just help shift when electricity is used. It can also reduce how much electricity is needed to heat the water in the first place.

When installed and configured correctly, the Stiebel Eltron SHP-O 300 Plus can be set up to better suit daytime operation, solar PV use and free power window planning, making it a strong choice for homes that want an efficient hot water system ready for the way electricity pricing is changing.

What Is the Stiebel Eltron SHP-O 300 Plus 3HR Free Power Ready System?

The Stiebel Eltron SHP-O 300 Plus is a 300 litre heat pump hot water system designed to heat stored water using energy from the surrounding air.

Unlike a standard electric storage system, which relies heavily on direct electric resistance heating, a heat pump uses a refrigeration process to move heat from the air into the water. This allows the system to heat water more efficiently than a standard electric tank when the unit is correctly selected, installed and operated.

The JR 3HR Free Power Ready version focuses on using this efficiency with smarter daytime heating. The system can be planned around daytime operation, solar PV compatibility and the free power window where suitable, so the household can make better use of lower-cost or free daytime electricity.

Why Choose the Stiebel Eltron SHP-O 300 Plus for 3 Hour Free Power?

The Stiebel Eltron SHP-O 300 Plus is a strong option for homes that want to combine heat pump efficiency with a free daytime power strategy.

This setup suits households that want to:

reduce hot water electricity use over time

prepare for the 3 hour free power window

use more daytime power for hot water heating

make better use of solar PV where suitable

store hot water for evening and morning use

upgrade from an older electric storage system

avoid relying only on standard electric element heating

choose a premium heat pump with smart control features

have a larger 300L storage capacity for family use

For many homes, a heat pump can be one of the smartest ways to prepare for free power because it reduces total electricity demand while still allowing the system to be scheduled around better power periods where suitable.

How This System Heats Hot Water

The Stiebel Eltron SHP-O 300 Plus heats water by drawing heat from the surrounding air and transferring that heat into the stored water inside the tank.

This is different from a normal electric hot water system. A standard electric tank uses an electric element as the main heat source. A heat pump uses electricity to run the heat pump process, which can make it much more efficient in suitable conditions.

The result is stored hot water that can be used later for showers, bathrooms, kitchens and laundry.

For 3 hour free power planning, this storage matters. The system can heat during a preferred daytime period where suitable, then hold that hot water for use later in the day.

3HR Free Power Ready Benefits

A 3HR Free Power Ready heat pump setup is designed around smarter timing, not just replacing the old hot water system.

The aim is to help the home:

run more hot water heating during the day

reduce unnecessary heating during paid periods

make better use of solar PV where available

store heated water for later household demand

lower long-term hot water running costs

combine efficient heat pump operation with smarter power timing

This does not guarantee completely free hot water for every home. Results depend on the electricity plan, smart meter eligibility, system settings, household hot water use, solar setup and whether extra heating is required outside the free power period.

The important point is that the system is designed to make better use of the opportunity.

Heat Pump Efficiency vs Standard Electric Storage

The biggest advantage of the Stiebel Eltron SHP-O 300 Plus is that it is a heat pump, not a standard electric storage tank.

A standard electric system may be able to use the 3 hour free power window if it is controlled correctly, but it still uses direct electric element heating. That can use more electricity overall.

A heat pump is different. It can reduce the amount of electricity needed to make hot water in the first place. When that lower electricity use is combined with daytime scheduling, solar PV compatibility or the free power window, the long-term result can be very attractive for the right home.

A heat pump may be the better choice when:

running cost reduction matters

the existing electric system is old or expensive to run

the home has suitable outdoor or indoor installation space

there is enough airflow and clearance

the household wants a more efficient upgrade

the home has solar PV or wants to use more daytime power

the customer wants a premium system rather than a basic tank replacement

Solar PV and Smart Control Benefits

The Stiebel Eltron SHP-O 300 Plus is designed with modern energy use in mind. It is compatible with solar PV integration and includes smart control features through the MyStiebel App, giving homeowners more flexibility over how they manage their hot water.

For homes with solar, this can help the household make better use of daytime energy. Instead of exporting excess solar for a lower return, the home may be able to direct more of that daytime energy into stored hot water where the setup and usage pattern allow.

This can be especially useful for households trying to reduce paid grid electricity used for hot water.

A smart heat pump setup can help with:

daytime heating

solar PV use

scheduled operation

better visibility and control

stored hot water for later use

reducing reliance on standard electric boosting

The exact setup depends on the property, system settings and electrical arrangement.

Is the Stiebel Eltron SHP-O 300 Plus Right for Your Home?

The SHP-O 300 Plus can be a strong option for medium to larger households wanting a premium heat pump hot water system with 300 litres of stored capacity.

It may suit homes that:

are replacing an older electric storage system

want lower long-term hot water running costs

have suitable installation space and airflow

want to prepare for 3 hour free power

have solar PV or plan to use more daytime energy

need more capacity than a smaller heat pump can provide

want smart control features through the MyStiebel App

want a premium European heat pump option

It may not suit every site. Heat pumps need the right location, clearance, airflow, drainage, base support and noise considerations. Indoor installations need suitable air volume, and outdoor installations need enough clearance around the intake and discharge areas.

JR Gas & Water assesses the installation location, existing system, household demand, plumbing layout and electrical setup before recommending the best installation pathway.

Why Location and Airflow Matter

Heat pump hot water systems are more installation-sensitive than standard electric tanks.

Because the Stiebel Eltron SHP-O 300 Plus draws heat from the surrounding air, the installation location needs to suit the unit. Airflow, clearance, drainage and access all matter.

A poor location can affect performance, noise, serviceability and long-term satisfaction.

Important installation considerations include:

available airflow

manufacturer clearance requirements

condensate drainage

stable base support

service access

nearby bedrooms or neighbours

pipework layout

electrical supply

whether the unit is installed indoors or outdoors

This is why JR Gas & Water takes an installation-led approach. A quality heat pump still needs to be installed in the right place to perform properly.

Why Choose a Heat Pump for 3 Hour Free Power Instead of a Timer?

A basic timer only controls when a system turns on and off. It does not make a hot water system more efficient by itself.

The Stiebel Eltron SHP-O 300 Plus is different because it reduces the amount of electricity needed to heat water compared with a standard electric storage tank. When that efficiency is combined with suitable daytime operation, the system can be a strong long-term option for homes preparing for 3 hour free power.

A timer may help shift usage.

A heat pump helps reduce usage.

That is the major difference.

For homes that want the best long-term running cost result, a properly selected heat pump should be compared before simply adding a timer to an older electric tank.

What’s Involved in Installing the Stiebel Eltron SHP-O 300 Plus?

A Stiebel Eltron SHP-O 300 Plus installation generally involves more than a basic swap-over.

The installation may include:

supply of the genuine Stiebel Eltron SHP-O 300 Plus

removal of the existing hot water system where applicable

positioning the new heat pump in a suitable location

connection to suitable plumbing services

connection to suitable electrical supply

valve assessment and replacement where required

condensate drainage provisions

base or support requirements

commissioning and testing

basic customer handover

review of system operation and settings

Final scope depends on the property. Some jobs are straightforward replacements. Others may require extra works such as pipework alterations, drainage improvements, valve upgrades, pressure limiting, electrical changes, safe tray requirements or relocation to a better position.

Professional Stiebel Eltron SHP-O 300 Plus Installation in Brisbane & Gold Coast

JR Gas & Water supplies and installs Stiebel Eltron SHP-O 300 Plus heat pump hot water systems across Brisbane, Gold Coast and South East Queensland.

We service areas including:

Brisbane

Gold Coast

Logan

Ipswich

Redlands

Moreton Bay

Scenic Rim

surrounding South East Queensland suburbs

Our approach is practical and installation-led. That means we check whether the system suits the home, whether the location is appropriate, whether the household demand matches the 300L capacity and whether the installation pathway is safe, compliant and practical.

Why Choose JR Gas & Water?

JR Gas & Water helps homeowners choose the right hot water system for the property, not just the cheapest product on paper.

With a heat pump like the Stiebel Eltron SHP-O 300 Plus, the result depends on both product quality and installation quality. The system needs the right location, airflow, drainage, plumbing arrangement, electrical setup and operating strategy.

Customers choose JR Gas & Water for:

licensed hot water installation

heat pump hot water expertise

Brisbane and Gold Coast service coverage

practical product advice

installation-led system recommendations

support choosing between heat pump and electric storage

3HR Free Power Ready planning

solar PV and daytime power consideration

clear installation scope

professional replacement service

The goal is to install a system that suits the home now and is ready for the way electricity use is changing.

Stiebel Eltron SHP-O 300 Plus 3HR Free Power Ready FAQs

What makes the Stiebel Eltron SHP-O 300 Plus 3HR Free Power Ready?

The system can be planned around smarter daytime operation, solar PV compatibility and the 3 hour free power window where suitable. The aim is to help the home use more hot water heating during better power periods while benefiting from heat pump efficiency.

Does this system use Catch Power?

This product is a heat pump hot water system with its own smart control features. Catch Power is mainly used in JR’s dedicated dual element 3HR Ready electric storage setups. For the SHP-O 300 Plus, the focus is on heat pump efficiency, suitable scheduling, solar PV compatibility and correct installation setup.

Is a heat pump better than a standard electric tank for free power?

For many homes, yes. A standard electric tank may use the free power window if controlled correctly, but it still uses direct electric element heating. A heat pump can use less electricity overall, which can make it a stronger long-term savings option when the site is suitable.

Can the Stiebel Eltron SHP-O 300 Plus run during the free power window?

Where suitable, the system can be planned for daytime operation to better align with the free power window or solar production. The exact setup depends on the installation, household use, system settings and electricity plan.

Can this system work with solar?

Yes. The SHP-O 300 Plus is compatible with solar PV integration, making it a strong option for homes wanting to make better use of daytime solar energy for hot water.

Is 300L enough for my home?

A 300L heat pump can suit many medium to larger households, depending on hot water demand, number of occupants, shower habits, bathroom count and when hot water is used. JR Gas & Water can help confirm whether this size is suitable.

Can this replace my existing electric hot water system?

In many cases, yes. The SHP-O 300 Plus can be a strong replacement for an older electric storage system where the property has a suitable installation location, airflow, drainage and electrical setup.

Can this be installed indoors?

The SHP-O 300 Plus may be suitable for indoor or outdoor installation when the location meets the product’s airflow, clearance and installation requirements. Indoor installs need to be assessed carefully before ordering.

Is this better than adding a timer to my old electric tank?

If your old electric tank is inefficient, undersized, unreliable or close to failure, a timer may not be the best investment. A heat pump upgrade may provide better long-term value by reducing total electricity use, not just changing when the electricity is used.

Can JR Gas & Water install this in Brisbane or the Gold Coast?

Yes. JR Gas & Water installs Stiebel Eltron SHP-O 300 Plus heat pump hot water systems across Brisbane, Gold Coast, Logan, Ipswich, Redlands, Moreton Bay, Scenic Rim and surrounding South East Queensland areas.

Heat Pump Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

Choosing the right heat pump hot water system package depends on your installation requirements, household size, and whether additional electrical or plumbing work is needed. Use this guide to compare package levels and find the best fit for your home.

Selecting the right package helps streamline installation, but we understand that needs may change, and that the purchaser isn’t a plumber. We’re flexible and can make adjustments, such as upgrading to the next package as needed.

💡 Which Package is Right for You?

IMPORTANT - All online packages are for external installations only, for internal installations please complete our quote request form.

✅ Base – For compliant replacements
Ideal for identical direct swaps where the existing system meets compliance. No extra plumbing, electrical work or disposal required or included.

(EXAMPLE - A Rheem 250L 491250 replacing complaint Rheem 250L 491250 not a Rheem 250L 101250)

✅ Silver – For minor upgrades
Includes pipework alterations and a valve kit but does not include electrical modifications or system disposal. Designed for those swapping a heat pump under 10 years old and working to a tight budget. 

(EXAMPLE - Swapping a 10year old Rheem/Rinnai heat pump with a new one where the existing installation is good but requires pipework alterations to adapt the new unit and new valve set for warranty)

🏆 Gold (Best Seller) – For standard installations
Covers old system removal and plumbing modifications, making it the most common choice for standard installations. Excludes electrical circuit modifications.

(EXAMPLE - Swapping a 20year old Dux heat pump with a new Rinnai GR Series. Strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

💰 Sapphire (Best Value) – For installations requiring electrical work
Adds electrical safety features like an isolator, safety switch, and cable extensions to ensure a compliant and safe electrical connection. Perfect for those swapping out an electric hot water system, heat pump with different electrical connection type or split solar system (tank on ground/panels on roof)

(EXAMPLE - Swapping an old electric system with a new iStore that has a different electrical connection type, then strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

✅ Diamond – For homes needing extensive electrical work
Provides extra plumbing and electrical modifications, including a new electrical circuit, making it ideal for homes without existing wiring for an electric system. Designed for those swapping from a gas system or where a larger electrical circuit is needed

(EXAMPLE - Swapping an old Gas System with a new Enviroheat that needs its own dedicated electrical circuit, type then strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

✅ Platinum – The ultimate package
Includes everything – system relocation, extensive plumbing and electrical upgrades, and a new electrical circuit for complete installation flexibility. Perfect for swapping and relocating and system type including solar tanks on single story roofs. 

(EXAMPLE - Replacing any existing system of any type then relocating it to a new position on the house that requires the electrical/plumbing to be installed or relocated to the new installation position)

🏆 Package Comparison Guide

Whenever a product is required, we only source from trusted, warranty‑backed manufacturers:

• Valves – AVG, RMC, Rye Metal (and subsidiaries)
• Copper – Type B Kembla or Crane
• PEX Systems - Ezipex
• Insulation – eFlex or K‑Flex
• Electrical switches & timers – Hager
• Conduit – Medium Duty PVC Vinidex or GTS
• Brassware – Brasshards
• Hydraulic crimp fittings – EziPress, Viega, Kembla
• Sealants – Loxeal

Feel free to let us know if you have any other preferred brands!

IMPORTANT - All online packages are for external installations only, for internal installations please complete our quote request form.
IMPORTANT - Solar panel and roof-mounted tank removal is not included in any package and is available as an optional extra at additional cost.

🛠 Need Help Choosing?

Not sure which package is right for you? Contact JR Gas & Water, and we’ll help you select the best solution for your home! 🚀

How Do STC Rebates Work?

Small-scale Technology Certificates, or STCs, are part of the Australian Government’s renewable energy scheme. Eligible heat pump and solar hot water systems can generate STCs, which carry a monetary value. JR Gas & Water applies this value as an upfront rebate so customers see a reduced out-of-pocket price on eligible products rather than needing to claim anything later themselves.

For clarity, JR Gas & Water uses a flat-rate STC rebate of $1,000 including GST on eligible systems. This means the price shown online is the customer’s out-of-pocket price after the rebate has already been applied. It is not the full gross system price before the rebate.

As an example, if a system is advertised online at $4,000, the gross system price is $5,000, less the $1,000 STC rebate, leaving the advertised out-of-pocket amount of $4,000.

This upfront rebate is offered on the basis that the installation will be completed compliantly, the system will remain eligible for STCs, and JR Gas & Water will be able to create, process, and receive the value of those certificates after installation. We handle the STC paperwork and process behind the scenes, but the rebate is conditional and relies on the job proceeding correctly from start to finish.

Who Is Eligible?

In general, customers may be eligible for the STC rebate where they are purchasing an approved solar hot water system, heat pump hot water system, or other eligible product that qualifies under the applicable scheme rules at the time of installation.

Eligibility generally requires that:
the product itself is STC eligible,
the installation address is eligible,
the system is installed in Australia,
the installation is completed in a compliant manner,
the system is capable of being properly verified,
and the customer provides any required information, declarations, signatures, and supporting documents needed to process the STCs.

Where JR Gas & Water advertises an eligible system with the rebate already applied, the customer is agreeing that the STCs will be assigned to JR Gas & Water or its nominated agent as part of the sale. That assignment is what allows the rebate to be applied upfront instead of the customer paying full price.

When Is the Rebate Not Available or Not Valid?

The STC rebate is not an automatic discount in every situation. It is only available where the installation proceeds fully and remains eligible for STC creation and assignment.

A customer may not be eligible, or may be required to repay the rebate amount, where:

the order is cancelled after rebate pricing has been applied,
the customer declines installation,
the site is not ready,
access is refused,
the installation cannot proceed due to hazards, animals, obstructions, or unsafe conditions,
the customer wants to keep the STCs personally,
required paperwork is not signed or returned,
incorrect or incomplete information is provided,
the property or system turns out not to qualify,
the quoted eligible product is changed,
a third party interferes with, alters, completes, disconnects, reconnects, or modifies the installation,
required compliance or upgrade works are refused,
or the installation cannot be lawfully completed in a way that allows the STCs to be validly claimed.

This also includes situations where another contractor performs part of the work in a way that affects eligibility, or where changes made by the customer or another trade prevent JR Gas & Water from receiving the STC benefit that the upfront rebate was based on.

What Happens If the Customer Does Not Proceed?

Where a customer accepts pricing that already includes the STC rebate and then cancels, postpones, declines installation, refuses access, or otherwise prevents the installation from being completed, JR Gas & Water may recover the full $1,000 STC rebate amount in addition to any other applicable cancellation, postponement, restocking, freight, attendance, or administrative charges.

This is because the lower advertised price was offered on the basis that JR Gas & Water would receive the benefit of the STCs after compliant completion of the installation. If the job does not proceed, that STC benefit cannot be recovered by JR Gas & Water, so the rebate amount becomes payable.

Can the Customer Keep the STCs Instead?

Yes, but not at the rebate-adjusted price.

If the customer wishes to keep, trade, or claim the STCs themselves, they must notify JR Gas & Water in writing before the order is accepted, or at the latest before installation begins. In that case, the customer must pay the full $1,000 including GST rebate amount before installation unless otherwise agreed in writing.

ZipPay – 6-Month Interest-Free on All Products

ZipPay allows you to buy now and pay later, offering flexible, interest-free payments for up to 6 months on all JR products. It’s easy to set up, and you can customize your repayment schedule to suit your budget. Payments can be made weekly, fortnightly, or monthly, with a $6 fee if the balance isn’t paid off by the due date​.

Humm – Up to 12 Months Interest-Free

Humm provides interest-free payment plans on purchases up to $30,000, perfect for both small and large buys. For items over $2,000, you can spread payments over 12 months. Humm also offers flexibility in scheduling payments based on when you get paid​

Afterpay – 8 Weeks, No Interest

With Afterpay, spread the cost of purchases across four equal installments, due every two weeks, over an 8-week period. There’s no interest, and as long as payments are made on time, there are no fees. Perfect for purchases between $100 and $1,500​

Plenti Finance – For Reclaim Systems Only

Plenti Finance is available exclusively for Reclaim Energy systems. This option offers tailored repayment terms with competitive interest rates, helping make eco-friendly choices more affordable. For more detailed information on Plenti’s terms and eligibility for Reclaim systems, visit the Reclaim Energy finance page​

Estimated annual savings are calculated by comparing the heat pump’s energy efficiency (measured as COP – Coefficient of Performance) against a standard electric hot water system with a COP of 1.0. For example, if a heat pump has a COP of 4.0, it uses 75% less electricity to deliver the same amount of hot water.

Savings are based on average household usage for a family of five on Tariff 11 (general usage tariff), using manufacturer-stated COP values. The higher the COP, the greater the energy savings.

Bonus savings: When paired with a solar PV system, energy costs can drop even further — with some households seeing up to 50% additional savings, especially when the heat pump runs during solar generation times.

Disclaimer:

All estimated savings are based on manufacturer-provided COP values and standard usage assumptions (e.g. a family of five on Tariff 11). These figures are intended as a general guide to help compare different hot water units and technologies. Actual savings may vary depending on your household’s usage, energy rates, and installation conditions. We recommend conducting your own research or consulting an energy advisor to assess what’s best for your specific setup.

If you're in Queensland and considering a heat pump hot water system, look no further than JR Gas & Water. Here's why:

Experience and Expertise: JR Gas & Water has over 10 years of experience in the gas and plumbing industry. Their team of licensed and insured professionals is highly skilled and knowledgeable about all aspects of heat pump installation, maintenance, and repair. They can provide expert advice on the best system for your needs and ensure a smooth installation process.

Quality Products: JR Gas & Water uses only high-quality products from trusted brands to ensure your heat pump hot water system is reliable and efficient. They also offer a range of options to suit different budgets and requirements.

Competitive Pricing: JR Gas & Water offers competitive pricing for their heat pump hot water systems, ensuring that you get a great value for your investment. They also provide a detailed quote upfront, so there are no surprises or hidden costs.

Customer Service: JR Gas & Water is committed to providing excellent customer service. They are always available to answer any questions or concerns you may have and are committed to ensuring your satisfaction.

Local Business: JR Gas & Water is a locally owned and operated business in Queensland. By choosing them for your heat pump hot water installation, you are supporting a local business and contributing to the local economy.

Warranty and Guarantee: JR Gas & Water provides a warranty and guarantee on all their products and services, giving you peace of mind knowing that your system is covered in case of any issues.

Sustainable and Environmentally Friendly: Heat pump hot water systems are a sustainable and environmentally friendly option for heating water. They use renewable energy sources, such as air or ground heat, to heat water, resulting in lower greenhouse gas emissions and reduced energy bills. JR Gas & Water can help you make the switch to a more sustainable and cost-effective solution for your hot water needs.