PVT and HVAC: Integrating PV with solar thermal
1) Any recommendations for a combined PV and solar thermal solution for a single family residence? (i.e. solar thermal panels that integrate with PV to cool the PV panels and collect thermal energy for water heating and home heating and cooling). We’re familiar with SunDrum, PVTSolar, and SolarWall (though they seem to focus on commercial installations). Anyone know of any others or have particular recommendations for these?
2) Assuming we had a large PVT array, how could we most efficiently use excess thermal energy beyond what’s needed for water heating for home heating and cooling? Our current plan is to use a mini-split air source heat pump and heat recovery ventilation system powered by a PV array on an unobstructed south-facing roof. We plan to use solar thermal for domestic hot water, and have a southeast facing roof available for that purpose, but would prefer an integrated solution. We also hope to find a way to make the ASHP system more efficient, or replace it with an alternative system that would work the same way (refrigerant pipes to quiet indoor units) at less cost and higher efficiency…
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