myVaillant Pro

Our brand new aroTHERM pro air source heat pump is designed to meet the unique requirements of the specification market
Key features:
- Available in 5, 7 and 11kW
- Quiet operation
- Perfectly balancing efficiency and quality
- Standard 2 year warranty
Minimum size for maximum comfort: the aroTHERM pro is our space-saving heat pump. Its compact design ensures seamless installation and maximises siting opportunities, thanks to Vaillant’s new Flexible Space Function, which provides a minimal protection zone.
It is not only the ideal solution for new build developments due to its high flow temperatures of up to 70 °C, it is also the ideal solution for modernising existing housing stocks.
Our extensive uniSTOR range of high recovery cylinders suits all property types and water demands, making it the perfect partner for the aroTHERM pro.
*11kW model available to preorder. Market availability from 1st June 2026.
| aroTHERM pro | Unit | 5kW | 7kW | 11kW |
| Dimensions (H x W x D) | mm | 750 x 454 x 1,104 | 750 x 454 x 1,104 | 1,103 x 454 x 1,169 |
| Weight | kg | 84kg | 91kg | 133kg |
Maximal flexibility. Minimal safety area.
Reduced protection zone for maximum positioning flexibility
The new standard in heat pump technology: Our new safety concept, Flexible Space Function, provides greater siting options around the home. This allows you to install the aroTHERM pro in tighter areas where space is at a premium. Under windows, next to doors, our new Flexible Space Function unlocks more installation opportunities than ever before!
Single fan unit across the range
Our most compact unit for ease of installation
The aroTHERM pro is available in 5,7, 11kW outputs with single fan operation across the range. As one of the most compact ranges on the market, it allows for flexible siting opportunities for the outdoor unit.
ErP of up to A+++
High performance in SAP
Perfectly balancing quality and performance to meet the ever-changing needs of the specification sector.
Time-efficient installation on site
Simple and time-efficient installation
With monobloc technology, the aroTHERM pro is simple to install with no F-gas refrigerant certification needed. The lightweight outdoor units make transport and placement effortless.
Quality by design
Blends in perfectly with modern exteriors
Discreet and timeless. With the new design, our new heat pumps blend seamlessly into the architectural surroundings and adapt to the aesthetics of modern homes.
Natural refrigerant
Better for the environment, better performance
The aroTHERM pro is powered by the sustainable refrigerant R290. This is not only advantageous for homeowners but also for the environment. Its low global warming potential (GWP) of 0.02 makes it the eco-friendly alternative to synthetic refrigerants.