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� � <br /> TABLE 9-1 <br /> EN�RGY CREDITS(DEBITS) <br /> OPTION DESCRIPTION CREDIT(S) <br /> 1 a HIGH EFFICIENCY HVAC EQUIPMENT 1: <br /> Gas,propane or oil-fired furnace or boiler with minimum <br /> AFUE of 92%, 1 <br /> or <br /> Air-source heat pump with minimum IISPF of 8.5. <br /> 1 b HIGH EFFICIENCY HVAC EQUTPMENT 2: <br /> Closed-loop ground source heat pump; 2 <br /> with a minimum COP of 3.3. <br /> 1 C HIGH EFFICIENCY HVAC EQUIPMENT 3: <br /> DUCTLESS SPLIT SYSTEIVI HEAT PUIVIPS,ZONAL <br /> CONTROL: <br /> In home where the primary space heating system is zonal 1 <br /> electric heating, a ductless heat pump system shall be <br /> installed and provide heating to at least one zone of the <br /> housing unit. <br /> 2 HIGH EFFICIENCY HVAC DISTRIBUTION <br /> All heating and cooling system components installed inside <br /> the conditioned space. All combustion equipment shall be <br /> direct vent or sealed combustion. <br /> Locating system components in conditioned crawl spaces is 1 <br /> not permitted under this option. <br /> Electric resistance heat is not permitted under this option. <br /> Direct combustion]leating equipment with AFUE less than <br /> 80%is not permitted under this option. <br /> 3a EFFICIENT BUILDING:ENVELOPE 1: <br /> Prescriptive compliance is based on Table 6-1, Option II( <br /> or 0.5 <br /> Component performance compliance: Reduce the Target UA <br /> from Table 5-1 by 5%, as determined using EQUATION 1. <br /> 3b EFFICIENT BUILDING ENVELOPE 2: <br /> Prescriptive compliance is based on Table 6-1, Option III <br /> or 1 <br /> Component performance compliance: Reduce the Target UA <br /> from Table 5.1 by 15%, as determined using EQUATION 1. <br /> 3c SUPER-EFFICIENT BUILDING ENVELOPE 3: <br /> Prescriptive compliance is based on Table 6-1,Option III <br /> or 2 <br /> Component performance compliance: Reduce the Target UA <br /> from Table 5.1 by 30%, as determined using EQUATION 1. <br /> 4a AIR LEAKAGE CONTROL AND EFFICIENT <br /> Envelope leakage reduced to SLA of 0.00020 building <br /> and <br /> WSEC Prescriptive Worksheet(2010 Edition) WSUEP10-010 Copyright 2010 ' �C/� <br /> l` <br />