Heat Transfer System One to Three Room Kit

Available from Stock

HT03 R1 Duct 3-Room Heat Transfer Kit

Triple the comfort. One smart system.

Turn excess heat from one room into a whole-home comfort solution. The HT03 R1 Duct 3-Room Heat Transfer Kit is designed to distribute warmth from a single heat source to three separate rooms, helping to create a more balanced and energy-efficient home.

Perfect for homes with wood burners, pellet fires, or any space that gets too warm, this system uses a powerful mixed flow fan and insulated R1.0 ducting to quietly and efficiently move warm air where it’s needed most.

With up to 18 metres of ducting capacity, it’s ideal for larger homes or when rooms are further apart.

Why You’ll Love the 3-Room Kit:

Heats three rooms from a single heat source
Reduces energy bills by reusing existing warmth
Quiet operation thanks to mixed flow fan technology
R1.0 insulated ducting retains heat and minimises noise
Downjet outlet grilles push warm air to floor level for faster comfort
Adjustable dampers let you control airflow to each room
Up to 18 m ducting range for flexible installation in larger homes

Whether you're warming bedrooms, an office, or utility spaces, the HT03 3-Room Kit delivers reliable comfort—quietly, efficiently, and without the need for extra heaters.

Effortless warmth. Smart distribution. Comfort x 3.

Components

1 x 150Ø Mixed Flow Inline Fan
1 x 250x250 Filtered Inlet Ceiling Grille
1 x Grille to Duct Adaptor 250x250-150
3 x 150Ø Downjet Outlet Ceiling Grille
2 x Y Branch 150-150-150
3 x 150Ø 6m R1.0 Rated Flexible Duct
1 x Room Thermostat
2 x Roll PVC Duct Tape

Specifications

	HT03 Fan Fan Type: 150 mm mixed-flow inline fan, engineered for efficient, quiet air transfer between rooms. Motor: Single-phase motor operating at 230–240 V, 0.55 kW. Designed for durability and continuous operation. Airflow Performance: Delivers up to 147 L/s (530 m³/hr), ideal for distributing warm air and balancing temperatures throughout the home. Sound Level: Quiet operation at 44 dB(A) measured at 3 m — low-noise performance suitable for residential environments. Ducting Capability: Supports duct runs of up to 15 m, making it well-suited for both small and large-scale heat transfer systems.
	HT03 Intake Grille This 250 x 250 mm filtered eggcrate intake grille features a built-in filter to help trap dust and debris before it enters your ducting system. The filter is easy to remove and clean, making maintenance simple and keeping your air transfer system running efficiently.
	Grille to Duct Adaptor – 250 x 250 to 150Ø This adaptor connects a 250 x 250 mm grille to 150 mm (150Ø) ducting, providing a secure and efficient transition between grille and duct. Perfect for use with filtered eggcrate grilles and heat transfer systems, ensuring smooth airflow and easy installation.
	HT03 Downjet Grille Airflow Direction: Designed to direct warm air straight downward, promoting faster and more even heat distribution throughout the room. Outlet Size: 150 mm (150Ø) neck connection for compatibility with standard ducting and effective, concentrated airflow. Functionality: Optimised to push warm air to the occupied zone, reducing stratification and improving comfort levels. Design: Slim, low-profile construction for a clean, unobtrusive ceiling installation. Blends seamlessly with modern interiors.
	150Ø 6m Insulated R1.0 Duct Strong, durable, and built to last. The R1.0 insulation layer — Enhances energy efficiency and reduces condensate buildup. Size: 150mm (150Ø), 6m length for optimal air transfer Durability: Reinforced construction resists tearing in the roof space Insulation: R1.0 insulation reduces energy loss and maintains warmth Flexibility: Ideal for tight spaces, offering easy installation and reliability
	Room Thermostat: The HT03 Room Thermostat monitors the room temperature and activates the system to prevent overheating and save energy. Activation: Turns on when your desired temperature is reached. Comfort: Ensures a balanced and comfortable home temperature. We’ve chosen to supply a basic room thermostat with our heat transfer systems. While digital thermostats may look modern, their added features often come at a higher cost without offering practical benefits for most installations. Our focus is on reliable, cost-effective temperature control—simple to use, and perfectly suited to the job. If you would prefer to upgrade to a digital thermostat, just let us know—we’re happy to arrange it.
	150Ø Equal Y Branch (150 x 150 x 150) Designed to split one duct line into two, this galvanised steel Y branch is perfect for directing airflow to multiple rooms or zones. With equal 150 mm diameter spigots on all three ends, it ensures smooth, balanced distribution and efficient system performance.