222B. Geothermal Revival Part II - This could be the only way to make big buildings net-zero

In Part II of Geothermal Revival Jacob Komar says super-efficient geothermal heat pumps make bigger buildings much more efficient and may be the most economical way to make bigger buildings net-zero. We dig deeper into geothermal this week on CKUA Radio's Green Energy Futures. See blog and more: http://www.greenenergyfutures.ca/episode/geothermal-revival-getting-to-net-zero-the-easy-way