This model has been used on hot tubs but is really designed for use on swim spas. This Full DC Inverter heat pump is capable of operating down to -10°C ambient temperature. Experience the ultimate heating solution for your hot tub or swim-spa with the Vian S9+ Air Source Heat Pump, available now from UK Hot Tubs Ltd. With its advanced inverter technology, the Vian S9+ is designed to provide exceptional heating performance while consuming less energy, reducing your environmental impact and energy bills. It also operates silently, making it the perfect addition to any outdoor space. Don’t settle for traditional heating systems, upgrade to the Vian S9+ and enjoy the ultimate relaxation experience all year round. Contact UK Hot Tubs Ltd today to get yours!