Barb Gray
@barmgray.bsky.social
Investigative research professor @newmarkjschool
Former @nytimes director of news research. Thinking and writing about WTF web research is now.
Former @nytimes director of news research. Thinking and writing about WTF web research is now.
Reposted by Barb Gray
On this new episode of Shift Key, @jessedjenkins.com and I talk to Dulcie Madden, the CEO of Dig Energy, which is building small rigs to build geothermal heat pumps for single-family homes and businesses.
Listen at Heatmap: heatmap.news/podcast/shif...
Or wherever: shows.acast.com/65bac3af0334...
Listen at Heatmap: heatmap.news/podcast/shif...
Or wherever: shows.acast.com/65bac3af0334...
The Startup Trying to Put Geothermal Heat Pumps in America’s Homes
Rob and Jesse hang with Dig Energy co-founder and CEO Dulcie Madden.
heatmap.news
October 22, 2025 at 9:04 PM
On this new episode of Shift Key, @jessedjenkins.com and I talk to Dulcie Madden, the CEO of Dig Energy, which is building small rigs to build geothermal heat pumps for single-family homes and businesses.
Listen at Heatmap: heatmap.news/podcast/shif...
Or wherever: shows.acast.com/65bac3af0334...
Listen at Heatmap: heatmap.news/podcast/shif...
Or wherever: shows.acast.com/65bac3af0334...