Best small ventilation HRV or ERV for a camper van or tiny house?
Seems the only technology now available is a roof fan and an open window for ventilating my tiny home, which isn't a good solution in hot or cold climates. Ideally the HRV or ERC system I'm looking for would be powered by 12 or 24Vdc. Thanks Ventilation in tiny houses seems to be often overlooked for some reason, thoug...