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Table 40&2 <br /> Energy Credits (2015 Code) <br /> OPTION DESCRIPTION CREDIT(S) Estimated Cost <br /> 5a EFFICIENT WATER HEATING 5a: 0.5 <br /> ? All showechead and kitchen sink faucets installed in the house shall be rated at 1.75 <br /> ' . <br /> GPM or less.All otherlavatorytancets shall be rated at 1.0 GPM or less.' <br /> Toqualify to claim this credit,thebuilding permit drawings shall specify the option <br /> being selected and shall specify the-maximum flow rates for all showerheads,kitchen <br /> sink faucets,and other lavatory faucets. <br /> 5b EFFICIENT WATER HEATING 5b: 1.0 <br /> Water heating system shall include one of the following: <br /> Gas,propane or oil water heater with a minimum EF of 0.74 <br /> or <br /> 'Water heater heated by ground source heat pump meeting the reqpigtements of Option ' • <br /> 3c. <br /> 'or <br /> For R-2 occupancy,a central heat pump water heater with an EF greater than 2.0 that - <br /> would supply DHW to all the units through a central water loop insulated with R-8 <br /> minimum pipe insulation. <br /> To qualify to claim this credit,the building permit drawings shall specify the option <br /> being selected and shall specify the water heater equipment type and the minimum <br /> equipment efficiency. <br /> . _ <br /> Sc ; EFFICIENT WATER HEATING 5c: <br /> Water heating systom-shaThinclude,cirte,of the following <br /> Gas,propane or oil water heater with a minimum EF of 0.91 <br /> or <br /> Solar water heating supplementing a minimum standard water heater. Solar water <br /> heating will provide a rated minimum savings of 85 therms or 2000 kWh based on the <br /> Solar Rating and Certification Corporation(SRCC)Annual Performance of OG-300 <br /> Certified Solar Water Heating Systems <br /> or <br /> k L <br /> Electric heat plump water heater vilb.aiuinimutmEF of 2.0k and`rtieetingthe standUrd& <br /> of NEENs Northern Climate Specifications for Heat Pump Water Heaters <br /> To qualify to claim this credit,the building permit draWings shall'specify the option <br /> being selected and shall specify the water heater equipment type and the minimum <br /> equipment efficiency and,for solar water heating systems,the calculation of the <br /> minimum energy savings. <br /> 5d EFFICIENT WATER HEATING 5d: 0.5 <br /> A drain water heat recovery unit(s)shall be installed,which captures waste water heat <br /> from all the showers,and has a minimum efficiency of 40%if installed for equal flow <br /> ' Jar,a mininium Oal/erg 52% iustated forAntequal,flow.Snich funks,sliall be <br /> 1 <br /> erated in accordance CSA 1355.1-and be so labeled. <br /> To qualify to claim this credit,the building permit drawings.shall include a plumbing <br /> diagram that specified the drain water heat recovery units and the plumbing layout <br /> needed to install it and labels or other documentation shall be provided that <br /> demonstrates that the unit complies with the standard. <br /> 7 \ <br /> / i \ <br /> _ . <br />