When Terri was looking to downsize from her home in Austin, Texas, she discovered Whisper Valley – a sustainable, net-zero capable planned community under development just 20 minutes east of downtown.

With a little guidance on ground-source heat pump design temperatures and a few rules of thumb for ground loop flow rates, most engineers are pretty comfortable designing the building side of a ground ...

If you dig down about five feet or so in the ground to below the frost level, you will find the ground temperature to be amazingly constant, 40 degrees to 70 degrees F (4-21 degrees C), depending on ...

Heat pumps are often talked about as a single technology type, but in practice, there are two main systems used in UK homes: air source and ground source. Both systems work on the same principle, ...

A reliable and renewable energy source is right under our feet – literally – in the form of geothermal energy. After funding a study a few years back to map underground hotspots, Google's parent ...

Heat pumps are often talked about as a single technology type, but in practice, there are two main systems used in UK homes: air source and ground source. Both systems work on the same principle, ...