Open AccessResidential space heating cost: geothermal vs conventional systems
Author(s) -
I.A. Engen
Publication year - 1978
Language(s) - Uncategorized
Resource type - Reports
DOI - 10.2172/5026317
Subject(s) - geothermal gradient , geothermal energy , heating system , geothermal heating , environmental science , unit cost , process engineering , petroleum engineering , waste management , engineering , geology , mechanical engineering , geophysics