Want high-performance solar hot water without compromising on space? The Envirosun THX300/40 Solar Hot Water System features a roof-mounted 300L tank and 4m² of solar collectors, delivering reliable, efficient hot water powered by the sun. Supplied and installed by JR Gas & Water, Brisbane and Gold Coast’s Best Plumbers and Home Care Store 2023–2025, this system offers eco-friendly water heating and serious savings.
4m² Solar Collector Area – Efficient heat capture for fast, consistent water heating.
300L Roof-Mounted Tank – Perfect for 4–6 people, meeting daily hot water demands.
Electric or Gas Booster – Ensures hot water year-round, regardless of the weather.
Built Tough for Australia – Designed for UV, storms, and coastal durability.
Rebate Eligible – Claim solar rebates, reducing your upfront cost.
Feature | Details |
---|---|
Storage Capacity | 300 Litres |
Panels | 4m² of Solar Collectors |
System Type | Roof-Mounted Tank & Collectors |
Power Source | Solar with Electric or Gas Boost |
Warranty | 7 Years Cylinder / 5 Years Collectors |
Suitable for Households | 4–6 People |
👉 Click “Add to Cart” or Contact JR Gas & Water to Book Your Installation Today.
Get expert solar installation and efficient hot water savings with Brisbane and Gold Coast’s trusted professionals.
The Envirosun THX300/40 is perfect for families looking for energy savings and dependable hot water. With a roof-mounted tank and 4m² of collectors, it frees up outdoor space while capturing maximum sunlight for efficient water heating.
Roof-Mounted Efficiency: Keeps your yard space clear and offers quick heating from solar energy.
Family-Sized Capacity: 300L tank supports 4–6 people, providing ample hot water for everyday needs.
All-Weather Reliability: Electric or gas booster ensures hot water access 24/7.
Energy Savings: Lower power usage means up to 80% savings on water heating costs.
Rebate Eligible: Save on installation with federal and state solar rebates.
Installed by JR Gas & Water, the Envirosun THX300/40 is delivered with professional, fast service across Brisbane and Gold Coast.
1. What does “40” mean in this model?
It refers to 4m² of solar collector area, ensuring efficient heating — not 40 tubes.
2. Is this a roof-mounted system?
Yes, both the tank and solar collectors are mounted on the roof for space-saving installation.
3. Is 300L enough for a family of five?
Yes, it’s ideal for 4–6 people, covering daily hot water usage.
4. Will it work during rainy weather?
Yes, the booster system ensures consistent hot water, regardless of the weather.
5. Does it qualify for rebates?
Yes, it’s rebate eligible, reducing your upfront installation cost.
Brand - Envirosun
Model Number - THX300/40
Volume - 300L
Width - 2150mm
Height - 650mm
Manufacturered In -
Cylinder/ Heat Exchange Material - Stainless Steel
Cylinder/Heat-Exchange Warranty - 7 Years
Noise Level - NAdBa
Dry Weight - 59kg
Energy Source - Solar
Wifi Controller Built in or Compatible -
Built In Timer - No
LED/LCD Status Indicator -
Coefficient of Performance (COP) -
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.
A heat pump hot water system is an energy-efficient way to heat water for domestic use. It works by using a heat pump to extract heat from the air outside, then transferring it to the water in a storage tank.
The benefits of installing a heat pump hot water system include lower energy bills, reduced greenhouse gas emissions, and a longer lifespan than traditional hot water systems.
The cost of installing a heat pump hot water system in Australia can vary depending on factors such as the size of the system, the complexity of the installation, and the location of the property. On average, prices range from $2,500 to $5,000.
Yes, there are several government rebates and incentives available for installing a heat pump hot water system in Australia. These include the Small-Scale Technology Certificate (STC) scheme, which provides financial incentives for renewable energy systems, and the Renewable Energy Target (RET) scheme, which aims to increase the use of renewable energy sources.
The installation time for a heat pump hot water system can vary depending on the complexity of the installation and the size of the system. On average, installation can take between 2-3 hours.
Yes, like all hot water systems, heat pump hot water systems require regular maintenance to ensure they are working efficiently and to prolong their lifespan. This includes checking the system's filters, cleaning the coils, and checking the refrigerant levels.
Heat pump hot water systems typically last between 10-15 years, although this can vary depending on the quality of the system, the frequency of maintenance, and the level of usage.
Yes, heat pump hot water systems can be installed in most types of properties, including residential homes, commercial buildings, and apartments.
Yes, installing a heat pump hot water system can have environmental benefits, such as reducing greenhouse gas emissions and helping to conserve natural resources. However, it's important to ensure that the system is installed correctly and that the property has adequate ventilation to avoid any negative environmental impacts.
Choosing the right size heat pump hot water system for your property will depend on several factors, including the number of people in the property, the level of hot water usage, and the climate in the area. A qualified installer can help you determine the right size system for your needs.