https://www.cnet.com/news/google-spinoff-dandelion-uses-ground-energy-to-heat-and-cool-homes/

Google spinoff Dandelion unveiled on Wednesday a smart heating and air conditioning system that uses energy from the ground to regulate your home's temperature.

The business, which originated in the semi-secret X research and development lab run by Google parent company Alphabet, was created to sell geothermal energy systems to consumers. Its first commercial product is dubbed Dandelion Air.