NYC Sets Precedent for Requiring Geothermal Certifications The New York City Council recently passed local law 0609-A-2015 stating that all new city buildings or city-owned buildings undergoing a HVAC retrofit must use geothermal if the ‘geothermal system has the lowest net present value of all alternatives considered.’ This legislation is… Continue reading “NYC Sets Precedent for Requiring Geothermal Certifications”