In the news > Articles > Archive > Group leaves footprint in Rogers Alley
Durham News
June 7th, 2008
Talk about going deep to save on energy costs. In late May, Greenfire Development finished sinking three geothermal heat pumps 1,500 feet into the ground to save 30 to 50 percent on heating and cooling costs for four contiguous buildings under renovation on North Mangum and East Parrish streets and City Hall Plaza.