Glad to update our OSB Residential heat pump water heater 2.9kw for you. Using renewable energy heat sources from the ambient air to heat water, these heaters can provide hot water round-the-clock and throughout the year in an energy-efficient and affordable way.     And what’s the advance for our Residential heat pump water heater? Let’s show you more, see below key feature   Offer maximum hot water 60 deg c all weather Simple installation--Split type system for flexible installation - external and internal units Water Circulation and Technology - Safe & Reliable no mixing of refrigerant and water ECO green R410a refrigerant and reliable rotary compressor High energy efficiency - COP of 4. Intelligent automatic LCD controller to set temperature, user’s friendly. Internal clock and double timer, auto-restart after power comsumption. Wifi smart remote control function for easy monitor the heat pump running status anytime anywhere.   See below full technical specification for your better idea. Demo video is available for our Residential heat pump water heater. And we are happy to help you get the right model for your project. Feel free to contact us for further info.