A more detailed look at how some ground-source systems work: cold fluid absorbs some of the heat from the ground, and that low-level heat is transferred to another liquid in a heat exchanger, which heats the home.
Vector illustration. (credit: Getty Images)

Earlier this summer, a Silicon Valley startup called Dandelion was born out of Alphabet’s X Labs.

Dandelion hoped to popularize an old and dusty, but energy-saving, technology—that is, ground-source heat pumps. On Thursday, the company released more details on how it plans to complete its first 2017 run.
Dandelion’s pitch to customers and investors was that it had developed new drilling equipment and techniques that would allow it to drill 400-foot-deep holes in a residential yard in a fraction of the time it would take for older ground-source heat pump companies to do the same.

But, in August, the company had few details on the internal half of the system (that is, the half that actually operates within your house).
Today, Dandelion announced a partnership with a local ground-source heat company in upstate New York called Aztech.

Together, they hope to iron out some of the more squirrely practical details on how a tech-sector startup will place complicated infrastructure in residential homes.

The division of labor is as such: Dandelion will drill the holes in the ground, and Aztech will inspect the home and install the outdoor pipes to the home’s existing ductwork.

The heat pump itself—a large cabinet made by a company called WaterFurnace—will provide heat and cooling during the winter and summer months.
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