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Heating-Cooling 2-in-1 Hot Water Tank

two-in-one water tank combined with heat pump and solar thermal panels to provide space heating and cooling and hot water.
The upper DHW tank connect with solar thermal panels to provide domestic hot water , the down buffer tank works with heat pump for heating and cooling
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  • TIO250L

  • Solaraven

  • 8419901000


Product Overview


The two-in-one water tank from Solaraven (Model: TIO250L) is an innovative integrated solution that combines a buffer tank for space heating/cooling and a domestic hot water (DHW) storage tank in one compact unit. Designed to work seamlessly with heat pump systems and solar thermal panels, this multi-functional tank eliminates the need for separate storage and buffering equipment, saving valuable space while optimizing energy efficiency. Whether for residential or light commercial use, it delivers reliable space heating, cooling, and continuous hot water supply, addressing diverse temperature control and water usage needs in a single, streamlined system. The tank’s flexible configuration options make it adaptable to different house sizes, heating demands, and hot water consumption patterns, standing out as a core component of modern renewable energy heating systems.


Heating&Cooling 2-in-1 Hot Water Tank


Key Features


Multi-Core Functional Integration

Merges DHW storage and buffer tank functions, enabling simultaneous space heating, cooling, and hot water provision without system conflicts.

Upper DHW tank connects directly to solar thermal panels for eco-friendly hot water production, while the lower buffer tank syncs with heat pumps for precise temperature regulation in indoor spaces.


Diverse Structural Configurations

Tank on Tank Design: Stacked main buffer tank and auxiliary DHW tank, with internal copper coils for efficient heat exchange. Delivers instant hot water while minimizing heat loss.

Tank in Tank Design: Nested inner DHW tank within the main buffer tank, maximizing internal space utilization. Features a compact, wall-mounted structure ideal for small dwellings.

Dual Coil Option: Equipped with two independent copper coils to connect multiple heat sources (solar collectors + auxiliary heaters), supporting coordinated heating and temperature stratification control.


Premium Insulation & Safety Components

Single or double-layered insulated structure reduces heat dissipation, enhancing energy efficiency.

Integrated with top/bottom-mounted inlet/outlet ports, pressure gauges, and safety valves to ensure stable operation and prevent overpressure risks.


Heating&Cooling 2-in-1 Hot Water Tank


Technical Specifications


Parameter

Details

Tank Volumes

200L (50L DHW + 150L buffer) / 250L (95L DHW + 155L buffer)

Compatible Heat Pumps

410kW (200L model) / 816kW (250L model)

Coil Material

High-quality copper (single/double coil options)

Insulation Type

Multi-layer thermal insulation

Control Components

Pressure gauges, safety valves, inlet/outlet ports

Product Code

8419901000


Applicable Scenarios


Residential Spaces

Perfect for apartments, villas, and small homes with limited installation space. The Tank in Tank model is ideal for wall-mounted setups, while the Tank on Tank design suits households needing instant hot water.

Compatible with solar energy systems and air-source heat pumps, aligning with eco-friendly living trends.


Small Commercial Settings

Suitable for small offices, cafes, and boutique hotels requiring consistent space heating/cooling and hot water supply. The dual-coil configuration supports high-demand periods without compromising performance.


Product Advantages


Space & Energy Savings

Integrated design reduces equipment footprint by 30% compared to separate tanks, freeing up installation space.

Works in synergy with renewable energy systems (solar + heat pump), cutting energy consumption by up to 40% and lowering utility bills.


Flexible Customization

Two volume options and multiple structural designs allow users to tailor the tank to their specific house area, heating needs, and water usage.

Buffer tank balances heat source supply and demand, avoiding frequent heat pump start-ups/shutdowns and extending system lifespan.

Temperature stratification control prevents cold water interference, ensuring consistent hot water temperature (±2℃) for enhanced comfort.


Call to Action


Ready to upgrade your heating, cooling, and hot water system with a space-saving, energy-efficient solution? The Solaraven TIO250L two-in-one water tank is your ideal choice! Contact our team for personalized recommendations based on your space and usage needs, or click “Add to Basket” to secure your order today. Enjoy reliable performance, flexible customization, and long-term energy savings—Inquire now to learn more about bulk pricing and installation support!


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