Laserfiche WebLink
Table 406.2 • <br /> Energy Credits (2O1 5 Code) <br /> OPTION DESCRIPTION CREDIT(S) Estimated Cost <br /> 5a EFFICIENT WATER HEATING 5a: 0.5 <br /> All showerhead and kitchen sink faucets installed in the house shall be rated at 1.75 <br /> GPM or less.All other lavatory faucets shall be rated at 1.0 GPM or less.` <br /> To qualify to claim this credit,the building 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 requirements 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 /> 5c EFFICIENT WATER HEATING 5c: 1.5 <br /> Water heating system shall include one 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 /> Electric heat pump water heater with a minimum EF of 2.0 and meeting the standards <br /> of NEEA's 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 /> or a minimum efficiency of 52%if installed for unequal flow.Such units shall be <br /> rated in accordance CSA B55.1 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 />