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REVISIONS BY
<br /> t TABLE R402.1.1 5.EFFICIENT WATER HEATING OPTIONS y Only INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT' one option from Items 5.2 through 5.6 may be selected in this category.hem 5.1 may be combined with any
<br /> option
<br /> -- -Cr IMA7E ZONE5 ANO MRWNEA 5.1 A drain water heat recovery units)shall be installed,which captures was}e 0.5 0.5
<br /> Fenestraton U-Factor" 0 30 water heat from all and only the showers,and has a minimum efficiency of
<br /> TABLE R406.2 ---" -- 40%if installed for equal flow or a minlmum efficiency o;54%it installed
<br /> Skylight"U-Factor 0.60' for unequal flow.Such units shall be rated in accordance with CSA 855.1
<br /> FUEL NJRMALIZATION CREDITS OPTION DESCRIPTION CREOIT(S) or IAPMO IGC 348-2017 end ba so labeled.
<br /> Calling R-Valor• 49 + All Other Group R-2 To qualify to claim this credit,the budding permit drawings shall include e
<br /> Wood Frame Walla•^R-VWw 21 IW - 2.2 Compliance based on Sedion R402.4.1.2: 1.0 1.5 : plumbing diagram that specifies the drain water heat recovery units and
<br /> Reduce the tested air leakage to 2.0 air changes per hour maximum at 50 the plumbing layout needed to install It Labels or other documentation
<br /> Floor R-Value i•{� + t Combustion heating equipment meeting minlmum 0 0 Pascals shell be provided that demonstrates that the unit complies with the
<br /> Below-Grade°•"WWI R-wlua 10/15Y21 Int+STB federal efficiency standards for the equipment or stands
<br /> listed m Table C403.3 2(4)or C403.32(5) For R-2 Omupencies,optional compliance based on Section R402.4.1.2: 5.2 W Wer heating syste hall include one of the following: O.S - 0.$y
<br /> SIab4•r R•Valw 8 Depth 1..2. 2 For en Initial heatin Reduce the tested air leeks g system using a heel pump 1.0 1.0 and ge to 0.25 cftWft2 maximum at So Pascals Energy Star rated gas or Propane water heater with a minimum UEF d that meets federal stantlartle for the equipmem - g 8g i.
<br /> For SI. 1 foot=304.8 min,U-continuous Insulation,In[ Intermediate framing. • listed n Table C403.3 2(i)C or C403.3.2(2) All whole house ventilation requirements as determined by Section To qualify to claim this credit;the building permit drewings shall specify the
<br /> R-values are minimums.1.1-factors and SHGC re maximums When insulation is nstalled Ina cavity which °r - MI507.3 of the/ntemadona/Residemia/Code or Section 403.8 of the option being seledetl an shall specfy the water heater equipment
<br /> A less than the label or A101.4design thickness than
<br /> the insulation,the compressed ft-value of the insulation from I Air to water heal pump units that are configured to ,his
<br /> Code shall be met with a heat recovery ventilation - and the minimum equipment efficiency. tl1» w,Appendix Table A107 4 shell not be less than the R-value specified in the table. ( provide both heating and cooling and are rated In system with minimum sensible heat recovery efficiency of 0.65. W
<br /> ti..The fenestration U-factor column excludes skylights. E accordance with AHRI 550/590 To qualify to daim this credit,the building permit drawings shall specify the : OPTION DESCRIPTION
<br /> CIIEDrf(f)
<br /> c. 15/21+$TB"means R 10 continuous insulation on the exterior of the wall,or R-15 comilnuons Insulation b For heating system based an electric resistance -1.0 _1,p option being selected and shell specify the maximum tested building air on the Interior of Me wall,or R 21 cavity Insulation plus a thermal break bat-en the slab and the basement only(either forced air or Zonal) - leakage and shell show the heal recovery ventilation system. _ All Other- Group R-2
<br /> well at the interior of the basement wail."l 0/15/21+5TB"shall be 6.3 Water heating system shall Include one of the followin -
<br /> permitted to ce met with R-73 cavity ---- -- 2.3 'Compliance based on Sedion R402.4.1.2: • 9: 1 0 1 g Insulation on the Interior of Me basement wall plus R-5 continuous insulation on the interior or exterior of the 4 For hearing system based on electric resistance 0.5 Wq 1.5 2.0 I Energy Star rated gas or propane water heater with a minimum UEF d
<br /> Reduce the tested air leakage to 1.5 air changes per hour maximum W 50 3 - 0.91
<br /> well.°5T6"meene R-5 thermal break between floor slab and basement wall, with a ductless mini-split heat pump system in Pascels
<br /> d. R-10 continuous insulation is re accordance with Sedion R403.7.1 Including the S - or
<br /> quiretl under heated slab on grade floors.See Section R402.2.9.1. °r 7i Solar, heatin sup
<br /> e. For single rafter-crjoist-vaulted ceilings,the insulation may be reduced to R-38 d the full insulation depth Pa��--- For R-2 Occupancies,opdonel mmpllence based on Sedion R4o2.4.1,2: Solar water heating II o..m.e a r a Miminimumistandard
<br /> sad rim of 85 eater.
<br /> extends over the top patio of the exterior wall. 5 All other heating systems -1 -0.5 Reduce the tested air leakage to 0.25 cim/ft2 maximum at 50 Pascals 2000 kWh based on the Solvid ar Rating and Certification Corporation(SRCC) O
<br /> I. R-7.5 continuous insulation installed over an existing slab is deemed to be equivalent to therequired -- and Annual h based on of Solar ling an Solar Water Hearing Systems E
<br /> perimeter slab insulation when applied to existing slabs complying with Section R503.1.1.If foam plastic is : All whole house ventilation requirements as determined by Section or
<br /> used,it shall meet the loped in entscompliance
<br /> for thermal barriers protecting foam plastics. Mt 507.3 of the/nrernaaone/Residential Code or Section 403.8 of the 3 Water healer heated b
<br /> 9. For log structures developed in compliance with Standard ICC 400, qu International Mechanical Code shall be met with a heat recove Y ro d sou h
<br /> ry ventilation g tin roe eel pump meeting the
<br /> lug walls shell meet the re irements for TABLE CREDITS
<br /> system with minimum sensible heat recovery efficiency d 0.75. 3 requirements of Option 3.3.
<br /> climate zone 5 of ICC 4Jo. ENERGY CREDITS
<br /> 1 h. InL(intermediate framing)denotes framing --'----- -- To qualify to claim this credit.the bu Idin To quality to claim Mis credit,the building permit drewings shell specify the A
<br /> 0 g) g and insulation as described Ins la Section eager insulated
<br /> -' g permit drewings shell speci fy the option being selectetl and shall specify the water heater equipment type E
<br /> standard framing i6 inches on center,78 percent of the wall cavity insulated and headers insulated with a OPTION DESCRIPTION CREDIT(3) option be rig seledetl and shall specdy the maximum tested building air and the minimum equipment efficiency and,for solar water hearing ra
<br /> minimum of R-10 insulation. + All Otha r Group R,2 leakage antl shall show the heal recovery ventilation system. systems,the celculatlan of the minimum one a
<br /> 1.EFFICIENT BUILDING ENVELOPE OPTIONS i 2.4 Compliance based on Section R402A.1.2: -_ energy savings' pq.O
<br /> Reduce the tested air leakage2.0 2.5 5.4 Water heetlng system shall include one of the following: 1.5 2.0 N N Only one option from Items 1.1 through 1.7 may be seledetl in this category. Pascals M 0.8 air changes Per hour maximum et 50 Electric heat pump water heater meeting the standards for Titer I of IJEFA's rn N Compliance with the conductive UA targets is demonstrated using Section R402.1.4,Total UA al)emalive,where advanced water he:
<br /> specification «Q N
<br /> [1-(Proposed UA?arget UA)I>the required%UA reduction - °` or r,3 ir
<br /> --- For R-2 Occupancies,optional compliance based on Section R402.4.7:2: For R-2 Occupancy,elecUlc heat pump water heater(s),meeting the ry
<br /> so
<br /> 1.1 Prescriptive compliance Is based on Table R402.1.1 with the fdiowlrtg 0.5 O.S Reduce the tested air leakage to 0.15 c5dflt maximum at 50 Pascals M s;SECTION R406 modifications, standards for Tier I d NEFA's advanced water heating specification;shell N `
<br /> II and supply domestic rid water to all units.If one water heater is serving more
<br /> ADDITIONAL ENERGY EFFICIENCY REQUIREMENTS Vertical fenestration U=0.24. All who house ventilation mquimmsn%as determined b Section then one dwelling unit,all hot water supply piping shall be Q do 41 a
<br /> y Insulated with R- PP Y and recirculation W R406.1 Scope.This section establishes additional energy efficiency requirements for all new construction 12 Prescriptive compliance k based on Table R402.1.1 with the following 1.0 1.0 M7507.3 of the Intemao'ona/Residential Code or Section 403.8 of file 8 minimum pipe insulation.
<br /> covered by this code,Including additions subject to,Section R502 and change of occupancy Or use modificetions: ante, time'Mechanical Coda shall be met with a heat recovery ventilation To quality to claim this credit,the building permit drawings shall specify the
<br /> 1 Vertical teneslretlon U=0.20. system with minimum sensible heat recovery efciency d 0.80.Dud option being selected and shall specify the water heater equipment type
<br /> subject to Section uire unless specifically exempted In Section R406.Credit from both Sections R406.2 Installation shall comply with Sedion R403.3.7. antl the minimum equipment efficiency.
<br /> end R406.3 are required. = 1.3 Prescriptive compliance is based on Table R402.1.1 with the following 0.5 1 WA
<br /> modifications: To qualify to claim this credit,the building permit drewings shall specify fire 5.5 Water heating system shell Include one of the following: 2.0 2.5
<br /> R406.2 Carbon emission equalization.This section establishes a base equalization between fuels used option being selected and shall specify the maximum tested building air Waterk heat um
<br /> to define the equivalent carbon emissions of the options specified.The permit shall define the base fuel Vertical fenestration U=0.28 leakage and shall chow the heat recovery ventilation system. n p water healer meeting the standards for Tier III of selection to be used and the points specified in Table R406.2 shall be used to modify the requirements in Floor R-38 NEEA's advanced water hearing specification
<br /> Section R406.3.The sum of credits from Tables R406.2 and R406.3 shall meet the requirements of Slab on grade R-10 CREDR(S) or q t 9 perimeter and under entire slab OPTION DESCRIPTION For R-2 Omupanq,electric heat pump water healer(s),meeting the
<br /> Section R406.3. Below grade slab R-10 perimeter and under entire slab All Other Group R•2 ' standards for Tier III of NEFJ4's.1=.P E water hearing specification,shall
<br /> R406.3 Additional energy efficiency requirements,Each dwelling unit in a residential building shall °` 9.HIGH EFFICIENCY HVAC EQUIPMENT OPTIONS supply domestic hot water to all units.If one water heater is serving more
<br /> comply with sufficient options from Table R406.2 so as to achieve the following minimum number of Compliance beaetl on Sedion R402.1.4:Reduce the Total conduUtive UA Men one dwelling unit,to lid water supply
<br /> credits by 5%. Only one option from Items 3.1 through 3.6 may be selected in this category. • insulated with R$minimum pipe ar su tionand recirculation piping shall be
<br /> 1.Small Dwelling Unit;............... - 1.4 Prescriptive compliance is beaetl on Table R402.7.1 with the Pdlowln 1.0 1.0 3 of 95/e (U.S.North) a p Pa a furnace vnth minimum 1.0 To qualify to claim this cretliL the building permtt drewings shall specify the
<br /> ............................................................................3.0 credits g
<br /> t• Energy Star rated rth Gas or-ro n g
<br /> modifications: _ SUE • option being salectetl end shell specify the water heater equipment type
<br /> Dwelling units less than 15to square feet in conditioned floor area with less than 300 square feet of Vertical fenestration U=0.25 or end Me minimum equipment efficiency.
<br /> fenestration area.Additions to existing building greater than 500 square feet of heated floor area but
<br /> less Man 1500 square feet Wall R-21 plus R-4 ci Energy Star rated(U.S.North)Gas or propene boiler with minimum AFUE _ ------_- -
<br /> Item
<br /> 2.Medium Dwelling Unit: Floor R-38 OPTIONDES CREDIT(a)
<br /> ...........Included
<br /> ..................................................6.0 Credits o quad DESCRIPTION
<br /> All dwelling units that are not inducted In#1,#3 of#4, Basement wall R-21 int plus R-5 ci : dY to claim this credtt,the building permit drawings shell specify die : 6 _ -- CRI- -- All Other Group Rd :
<br /> r Slab on grade R-10 perimeter and under entire slab : option being selected and shall specify the heating equipment type and the
<br /> 3.Large Dwelling Unit:................ ...7.0 credits equipment efficiency.
<br /> - 2 5 3 0
<br /> minimum Water heatin shall in
<br /> """-"""""""""""""""""""""""•^• Below grade slab R-10 Perimeter and under entire slab __ '
<br /> : 6 9Include one of the bllowing.
<br /> Electric heat pump water heater with a minimum UEF of 2.9 and utilizing a
<br /> Dwelling units exceeding 6000 square feet of conditioned floor area. 92• Air-source centrally ducted heel pump with minimum HSPF d 9.5. �,0 q split system configuration with the air-to-reMgerent heat exchanger located
<br /> t or N
<br /> 4.Dwelling units serving R-2 occupancies::...........................................................4.5 credits Compliance based on Section R402.1.4:Reduce the Total conductive UA To qualify to claim this credit,the buildin outtloors.Equipment shall meet Sedion 4,requirements for all units,d the
<br /> g perm%drewings shall specify the , NEEA standard Advanced Water Heating SpeciSceflon with the UEF noted
<br /> 5.Additions less than or equal to 500 square feet:..:................................ 1.5 credits by 15%. option being selected and shall specify Me heating equipment type and Me above
<br /> minimum equipment efidenq. -
<br /> The drawings included with the building permit application shall identify which options have been 1.5 Prescriptive compliance is based on Table R402.1.1 with the following 2.0 1.5
<br /> modifications: 3.3• Ciosad-loop ground source heat pump:with a minimum COP of.3.3 b 1.0 For R-2 Occupancy,electric heat um
<br /> selected and Me point value of each option,regardless of whether separate mechanical,plumbing, or �• = pump water heater(s),meeting the
<br /> electrical,or other permits are utilized for the project. Vertical fenestration U=0.22 standards for Tier III of NEEA's advanced water heating specification and
<br /> Ceiling and single-rafter orjoist-vauted R-49 advanced Open loop water source heat pump with a maximum pumping hydraulic udlizing a split system configuration with the air-to-refrigerant heat
<br /> heed of 150 feat end minimum COP of 3.6. - exchanger located culdoors,shell supply domestic hot water to all,units.If
<br /> Wood name wall R-21 int plus R-12 d - :
<br /> Floor R-38 To qualify to claim This credit,Me buildingS one water heater is serving more than one dwelling unit,all hot water
<br /> permit drawings shall specify the Supply and recirculation piping shall be insulated with R-8 minimum
<br /> Basement wall R-21 int plus R-12 If option being selected and shall specify the hearing equipment type and the insulation. Pipe ;
<br /> minimum equipment affldenW. -
<br /> Slab on grade R-10 perimeter and under entire slab -- To qualify to claim this credit,the buildingpertnit drewings shall seedy the
<br /> Below grade slab R-f 0 perimeter and under entire slab 9.4 Ductless mini-epllt heat pump system,zonal control:In hpmee where the 1.6 2.0- °ption being selected and shell seedy the water heater equipment type
<br /> primary space heating system Is zonal electric heating,a ductless mini-split and the minimum equipment efficiency.
<br /> °r heat pump system with a minimum HSPF of 10.0 shall be installed and _
<br /> Compliance based on Section R402.1.4:Reduce the Total conductive UA provide heating to the largest zone of the housing unit. S.RENEWABLE ELECTRIC ENERGY OPTION---
<br /> by
<br /> 30%. qualify to claim this credit,the building 6.1 For each 1200 kWh of electrical enaration -0
<br /> o° 9 Permit drawings shall specify the g per housing untt provided 1.0 1.0 option being selected and shall specify the heating equipment type and the annually by on-stte wlntl or sder
<br /> CREDITS equipment a 1.0 credit shall be allowed,
<br /> OPTION DESCRIPTION O minimum equipment ethdarwy. up b 3 credits.Generedon shall be calculated as follows:
<br /> All Other Grou R 3.5• Air- y pump with minimum H3PF of 11.0. 5 For scar electric systems,the design shall be demonstrated to meet this
<br /> p source,centreil ducted beet ). WA requirement using rime National Renewable Energy L boratory calculator
<br /> 1.8 Prescriptive ccomplianceisbased on Table R402.1.1 with the following 3.0 2.0 To qualify to claim this credit,the building permit drawings shall specify the PV WATTs or approved alternate by the code ofidal.a
<br /> modifications: option being Selected and shall specify the hearing equipment type and the
<br /> Vertica fenestration U=0.18 minimum equipm t efficiency, Documentation noting solar access shell be included on the plans. W
<br /> l
<br /> Ceiling and single-rafter orjoist-vaulted R-80 advanced 3.8• Ductless s its tam heat - For wind generation projects designs shall document annual power V
<br /> Wood frame wall R-21 int us R-i 6 ci W system pumps with no electric resistance heating In Me -y.0 3.0 generation based on the following factors: - y.1 Pf primary living areas.A ductless heat pump system with a minimum HSPF The wind turbine Floor R-48 of 10 shall be sized and installed to provide heat to entire dwelling unit at power curve,average annual wind speed at the site,
<br /> the design outdoor au temperature. frequency distribution of the wind speed at the site and height of the tower. ^\ L
<br /> Basement wall-20 er plus R-18 d To qualify to claim this credit,the building permit drawings shall specify the W
<br /> Slab on grade R-20 perimeter and under entire slab To qualify to claim this nredR.Me building permit drawings shall specify the option as acted and shall show the photovoltaic or wind turhlne Below grade slab R-2J perimeter and under entire slab optic being selected,the healed Boor area calculation,the heating equipment type,provide documentation of solar and wind amass,and
<br /> equipment capacity
<br /> (by equipment
<br /> minimum equipment aRciency,and total Installed Include a calculation of the minimum annual energy power production. W
<br /> or heat cepeciry(by equipment type).
<br /> Compliance based on Section R402.1.4:Reduce the Total mntludwe UA --_- --. T. Is NCE PACKAGE OPTION
<br /> byvanc OPTION DESCRIPTION CREDITS) 7.1 All of the kllov4ng appliances shall be new and installed in the dwellingX
<br /> 1,g~ /� v+ O
<br /> 1.7 Advanced Rammg end raised heel stases or rafters 0.6. 0.5 All Other Group R-2 : unit and shall meet the fallowing standards �/
<br /> Vertical Glazing U-0.28. 4.HIGH EFFICIENCY HVAC DISTRIBUTION SYSTEM OPTIONS Dishwasher-Energy Star rated
<br /> Rfi9 Advanced(U-0.020)as listed in Section A702.2.1,Ceilings below a Refrigerator(d provided)-Energy Star rated E
<br /> vented attic 4.1 All supply and return duds located in an unconditioned attic shell be 5 0.6
<br /> and -deeply buried In ceiling insulation in accordance with Section R403.3.7. p Washing machine-Energy Saar rated
<br /> R-49 vaulted ceilings with full height of uncompressed insulation attending For mechanical equipment located outside the conditioned space,a .2 er-Energy Star rated,ventless dryer with a minimum CEF rating of A, •'a
<br /> over the wall top plate at the eaves. maximum d 1011near feet of return duct and 5linear feet of supply dud W L L
<br /> connections to the equipment may be outside the deeply burled insulation. To quality to claim this credit,the building permit drewings shall specify the M 0
<br /> 2.AIR LEAKAGE CONTROL AND EFFICIENT VENTILATION OPTIONS Ail metallic duds located outside the conditioned space must have both ption beingselectetl and shall show the a Ilance° pp type and provide
<br /> Only one option from Items 2.1 through 2.4 may be selected in cola category, transverse and longitudinal joints sealed with mastic.If flex duds are used, documentation of Energy Star compliance.At the 0me of inspection,WI •L
<br /> -- - they cannot contain splices. appliances shall be metalled end connected to utilities.Dryer ducts and N
<br /> 21 Compliance based on R402.4.12: 0.5 1.0 exterior dryer vent caps are not permhed to be installed In the dwelling Ln �Reduce the tested Sir leakage to 3.0 air changes per hour maximum at 50 Duct leakage shall be limited to 3 chi per 100 square feel of conditioned unit. - i
<br /> Pascals floor area. V
<br /> °r Air hendler(s)shell be located within the conditioned space. a. An aft madve hearing source sized W a maximum of 0.5 Watisttl'(equivalent)of heat floor area or 500 Wade,
<br /> as
<br /> whichever is bigger,may be installed In the dwelling unit _
<br /> For R-2 Ocoupancies optional compliance based on Section R402.4.1.2: 4.2 HVAC equipment and esaodated dud system(s)Installation shall comply 1.0 N/A
<br /> Reduce the tested air leakage to 0.3 cfm/ft'maximum at 50 Peace, with the requirements of Section R403.3.7.
<br /> and Locating system components In conditioned crawl spaces is not permitted 1�- a ® Date
<br /> All whole house ventilation requirements as determined by Section and this option. I C/ f l /(/, �S Lr,V, 'f^✓
<br /> M1 507 3 of the International Residential Code or Section 403.8 of the Scale
<br /> international Mechanical Code shaL be met with a high efficiency fans) Electric resistance heat and ductless heat pumps are not permitted under
<br /> (maximum 0.35 wafts/cfin),not interlocked with the furnace fan(if present). this option.
<br /> Ventilation systems using a fumace including an ECM motor are allowed,
<br /> provided that they ere controlled to operate at low speed in ventilation only Direct combustion heating equipment with AFUE less than 80%is not Drawn
<br /> made. permitted under this option.
<br /> To qualify to claim this credit,the building permit drawings shall specify the To qualify to claim this credit,the building permit drawings shall specify the option
<br /> option being selected,the maximum tested building air leakage,and shall option being selected and shall specify the heating equipment type and
<br /> show the qualifying ventilation system and its control sequence of shall show the Ieceflon of the hearing and cooling equipment and all the ?
<br /> p�retipn. ductwork. CITY OF EVERETT She
<br /> - ------ ----- REVIEWED FOR PERMIT t
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