Ground loop / Discussions

...ground loop to preheat or pre-cool incoming air to ventilation systems, that’s a different matter altogether.  For the moment though and for tips on how to build passive solar, I would start here – How to build a passive solar home DIY video series. That covers everything from southern orientation, shading, insulation,...

...ground loop’ below grade to warm or cool incoming air to your ERV or HRV depending on the season. This is seen sometimes in extremely high performing homes or Passive House builds where the design phase includes trying to save every watt of energy possible. On the down side, there have been cases where people have spok...

...ground loop fluid heat exchanger, and if it would be beneficial to have two, one on each side of the HRV. I understand using the ground loop fluid to preheat the air in the winter prior to entering the HRV but would in not be beneficial to have a second ground loop heat exchanger after the HRV in the summer?  This woul...