ANSI/ASHRAE 118.1-2012

The purpose of this standard is to provide test procedures for rating directly heated commercial service water heating equipment. Changes to the 2008 version include:updated referencesrevisions of Type IV and Type V definitionsrevised test methods and performance calculationsa new Appendix B4 to include heat transfer calculations for direct geoexchange and water-source heat-pump water heatersa new Appendix B5 to establish test conditions for all heat-pump water heaters.

Keywords: Geothermal heat pump, Geothermal, Direct Expansion, Ground Source, DGX, DX, GSHP, Direct Geoexchange, Geoexchange



Product Code(s): D-86360,86360

This product replaces:ANSI/ASHRAE 118.1-2008 - Electric, and Oil Service Water Heating Equipment (ANSI/ASHRAE Approved)

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ANSI/ASHRAE 118.1-2012
ANSI/ASHRAE 118.1-2008
ANSI/ASHRAE 118.1-2003
ANSI/ASHRAE 118.1-1993