Draft 2 Comment Response Summary Document

Draft 2 Version 2.0 ENERGY STAR Light Commercial HVAC Specification - Comments Summary Topic Comment EPA Response One stakeholder stated that examining the AHRI directory to derive EPA does not develop specification criteria based on shipment performance criteria is insufficient. The specification must be based on data. Performance requirements are set using a data set that is product shipments and not product listings. EPA should conduct a research intended to be representative of the market. EPA then sets market analysis to assess the number of products sold at the efficiency performace levels that corresponds to the top tier of models in levels proposed. that dataset. General Data Analysis One stakeholder stated that current data in the directory is mostly based on EPA has developed specification criteria based on available HCFC-22 units, which will be obsolete beginning on Jan 1, 2010 when refrigerant HCFC-22 may no longer be produced or imported in newly data in the AHRI Directory of Certified Products. EPA welcomes manufactured equipment. The current data in the AHRI directory are not additional data and information that industry is willing to share to aid EPA in conducting a comprehensive review of commercial representative of product offerings that will be available next year and cannot be used to set the specification. HVAC equipment. One stakeholder suggested that EPA not address levels for Tier 2 at this EPA has decided not to propose Tier ...