Hydronic Heat Pump

Smarter Heating with Air-to-Water Heat Pumps

Air-to-water (A2W) heat pumps are a highly efficient and environmentally responsible way to heat your home. By extracting free energy from the outside air and transferring it into your underfloor heating, radiators, or hot water system, heat pumps provide reliable comfort with far lower energy use than traditional electric or gas systems.

Modern A2W heat pumps using R32 and R290 refrigerants take this efficiency a step further.

R32 heat pumps are an excellent choice for most homes. They offer improved efficiency over older refrigerants like R-410A, operate at high performance levels, and have a significantly lower Global Warming Potential (GWP). R32 systems are widely available, safe, and provide a smart, future-ready alternative to conventional heating.

For even greater sustainability, R290 heat pumps (using natural propane) lead the way. With an ultra-low GWP of just 3 and outstanding thermal efficiency, R290 systems are ideal for those seeking to reduce their carbon footprint without compromising on performance. These systems can deliver high flow temperatures, making them suitable for both underfloor and radiator based hydronic heating. Even in colder climates.

Compared to gas boilers or electric resistive systems, A2W heat pumps can cut running costs dramatically, especially when paired with solar PV or off-peak electricity tariffs. And with smart thermostat compatibility, you can control your home’s comfort zone by zone with precision.

Whether you’re building a new home or upgrading an existing one, R32 and R290 heat pumps offer a powerful combination of comfort, efficiency, and environmental responsibility backed by modern technology that puts you in control.

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Hydronic Heat Pump Products

Tried, Tested & Trusted. The Hydronic Heat Pump Systems We Reccommend Most.

Vitocal 150-A

  • Quiet operation and highly suitable for modernisation with 70 °C flow temperature
  • Integrated smart control with the ViCare app for easy remote control & management
  • High efficiency COP (coefficient of performance) up to 5.0 (at A7/W35)
  • Low GWP R290 refrigerant
  • Stiebel WPL Series

  • Outdoor installation to harvest energy from the air and turn it into comfortable warmth in your home
  • Suitable for new builds as well as retrofits
  • High efficiency due to vapour injection technology: COP of 5
  • HydroAir Next Gen R290

  • Produces high temperature heating water up to 75'C, ideal for underfloor heating and radiator systems
  • Wifi enabled internet connectivity (included as standard) for real time remote operation and diagnostic information
  • Low GWP, R290 refrigerant