The Atlantic Calypso FS 172 Litre Heat Pump Water Heater is an energy-efficient domestic hot water solution designed for new build homes, apartments, landlords and small businesses. Featuring an integrated heat pump, duplex stainless steel tank and high-grade 63mm insulation, the Calypso delivers excellent heat retention and energy efficiency of up to 300%. Its A+ ErP rating and fast heat-up performance make it an excellent alternative to conventional electric water heating. Compatible with Atlantic CozyTouch smart controls, users can monitor and control their hot water system remotely from a smart device. Adjustable air inlets also allow the unit to operate with air ducts or utilise surrounding ambient air, providing greater installation flexibility.