First Green Seal Chiller Certification

The Trane Company's Earth-Wise CenTraVac Chiller, featured in the article on refrigerants in EBN

Vol. 6, No. 2, is now the first commercial building chiller to be awarded the Green Seal of Approval. Although it uses the ozone-depleting R-123 refrigerant, Green Seal judged the unitís high efficiency, and the protections it incorporates against refrigerant leakage, to offset the concerns associated with the HCFC fluid.