heat pump water heater

Hi, I have a heat pump normally conceived to produce Domestic Hot Water, but I want to use it to feed a water underfloor heating system. The heat pump is equipped with the normal hot and cold in/outlets but also a recirculation outlet. I'm wondering which one I should use in the present case as...

Hi, I'm a bit stuck on a hot water circuit that I'm trying to come up with for a small guest house. I have 6 water heaters with built-in heat exchangers that I'm planning to connect to a loop, itself fed by a solar water heater and/or a heat pump. I came up with 3 options (see drawings), but...

I have a 2500 ft^3 basement utility room housing 2 hvac units and 2 heat pump water heaters. I am adding an additional washer/dryer to the room. I am considering venting the electric dryer directly into the utility room with the idea that the warmer moist air will allow the heat pumps to...